NPTEL Video Lecture Topic List - Created by LinuXpert Systems, … · 2019-10-26 · NPTEL Video...

NPTEL Video Course - Mechanical Engineering - Convective Heat and Mass Transfer

Subject Co-ordinator - Prof. A.W. Date

Co-ordinating Institute - IIT - Bombay

Sub-Titles - Available / Unavailable | MP3 Audio Lectures - Available / Unavailable

Lecture 1 - IntroductionLecture 2 - Flow ClassificationsLecture 3 - Laws of ConvectionLecture 4 - Scalar Transport EquationsLecture 5 - Laminar Boundary LayersLecture 6 - Similarity MethodLecture 7 - Similaity Solns Velocity BLLecture 8 - Similaity Solns Temperature BL - ILecture 9 - Similaity Solns Temperature BL - IILecture 10 - Integral BL EquationsLecture 11 - Integral Solns Laminar Velocity BLLecture 12 - Integral Solns Laminar Temperature BLLecture 13 - Superposition TheoryLecture 14 - Laminar Internal FlowsLecture 15 - Fully-Developed Laminar Flows - 1Lecture 16 - Fully-Developed Laminar Flows - 2Lecture 17 - Fully-Developed Laminar Flows Heat Transfer - 1Lecture 18 - Fully-Developed Laminar Flows Heat Transfer - 2Lecture 19 - Laminar Internal Developing Flows Heat TransferLecture 20 - Superposition TechniqueLecture 21 - Nature of Turbulent FlowsLecture 22A - Sustaining Mechanism of Turbulence - 1Lecture 22B - Sustaining Mechanism of Turbulence - 1Lecture 23 - Sustaining Mechanism of Turbulence - 2Lecture 24 - Near-Wall Turbulent Flows - 1Lecture 25 - Near-Wall Turbulent Flows - 2Lecture 26 - Turbulence Models - 1Lecture 27 - Turbulence Models - 2Lecture 28 - Turbulence Models - 3

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Lecture 29 - Prediction of Turbulent FlowsLecture 30 - Prediction of Turbulent Heat TransferLecture 31 - Convective Mass TransferLecture 32 - Stefan Flow ModelLecture 33 - Couette Flow ModelLecture 34 - Reynolds Flow ModelLecture 35 - Boundary Layer Flow ModelLecture 36 - Evaluation of g and NwLecture 37 - Diffusion Mass Transfer ProblemsLecture 38 - Convective MT Couette FlowLecture 39 - Convective MT Reynolds Flow Model - 1Lecture 40 - Convective MT Reynolds Flow Model - 2Lecture 41 - Natural ConvectionLecture 42 - Diusion Jet Flames



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NPTEL Video Course - Mechanical Engineering - Cryogenic Engineering

Subject Co-ordinator - Prof. M.D. Atrey



Lecture 1 - Introduction to Cryogenic EngineeringLecture 2 - Properties of Cryogenic Fluids - ILecture 3 - Properties of Cryogenic Fluids - IILecture 4 - Properties of CryogenicLecture 5 - Material Properties at Low Temperature - ILecture 6 - Material Properties at Low Temperature - IILecture 7 - Material Properties at Low Temperature - IIILecture 8 - Gas Liquefaction and Refrigeration Systems - ILecture 9 - Gas Liquefaction and Refrigeration Systems - IILecture 10 - Gas Liquefaction and Refrigeration Systems - IIILecture 11 - Gas Liquefaction and Refrigeration Systems - IVLecture 12 - Gas Liquefaction and Refrigeration Systems - VLecture 13 - Gas Liquefaction and Refrigeration Systems - VILecture 14 - Gas Liquefaction and Refrigeration Systems - VIILecture 15 - Gas Liquefaction and Refrigeration Systems - VIIILecture 16 - Gas Liquefaction and Refrigeration Systems - IXLecture 17 - Gas Liquefaction and Refrigeration Systems - XLecture 18 - Gas Separation - ILecture 19 - Gas Separation - IILecture 20 - Gas Separation - IIILecture 21 - Gas Separation - IVLecture 22 - Gas Separation - VLecture 23 - Gas Separation - VILecture 24 - Gas Separation - VIILecture 25 - Gas Separation - VIIILecture 26 - CryocoolersLecture 27 - Cryocoolers Ideal Stirling Cycle - ILecture 28 - Cryocoolers Ideal Stirling Cycle - IILecture 29 - Cryocoolers Ideal Stirling Cycle - III



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Lecture 30 - Cryocoolers Ideal Stirling Cycle - IVLecture 31 - Cryocoolers Ideal Stirling Cycle - VLecture 32 - CryocoolersLecture 33 - Cryogenic Insulation - ILecture 34 - Cryogenic Insulation - IILecture 35 - Cryogenic Insulation - IIILecture 36 - Vacuum Technology - ILecture 37 - Vacuum Technology - IILecture 38 - Vaccum Technology - IIILecture 39 - Instrumentation in Cryogenics - ILecture 40 - Instrumentation in Cryogenics - IILecture 41 - Instrumentation in Cryogenics - IIILecture 42 - Safety in Cryogenics



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NPTEL Video Course - Mechanical Engineering - Advanced Strength of Materials

Subject Co-ordinator - Prof. S.K. Maiti



Lecture 1 - Stress and Strain TensorLecture 2 - Stress and Strain Tensor (Continued) and Cauchy Formula for TractionLecture 3 - Examples on Calculation of Strains and Tractions, Principal Stresses and DirectionsLecture 4 - Example on Calculation of Principal Stresses and Directions, Orthogonality of Principal Directions, Principal Stresses are all RealLecture 5 - Maximum Shear Stress and Octahedral Shear Stress, Deviatoric and Hydrostatic StressesLecture 6 - Transformation of Stresses and Mohr Circle in 3-DLecture 7 - Mohr Circle (Continued)Lecture 8 - Deformation, Rotation and Strain Tensors, Principal Strains,Deviatoric and Hydrostatic StrainsLecture 9 - Strain Transformations, Strains in Polar Coordinates, Equilibrium Equations in 2-DLecture 10 - Equilibrium Equations in 2-D Polar Coordinates Plane Stress and Plane Strain ConditionsLecture 11 - Stress-Strain Relations for Isotropic, Orthotropic and Anisotropic Materials Stress-Strain-Temperature RelationsLecture 12 - Relation between Elastic Constants and Strain Energy Densities Recap of Lectures 1 to 11Lecture 13 - Stress Distribution in Thick CylinderLecture 14 - Stresses due to Shrink FittingLecture 15 - Stresses in Rotating DiscLecture 16 - Examples on Shrink Fitting and Rotating DiscLecture 17 - Torsion of Non-Circular ShaftLecture 18 - Torsion of Non-Circular Shaft (Continued)Lecture 19 - Membrane Analogy for TorsionLecture 20 - Torsion of Thin Box SectionsLecture 21 - Torsion of Box and Open SectionsLecture 22 - Bending of Curved BarsLecture 23 - Bending of Curved Bars (Continued)Lecture 24 - Theories of FailureLecture 25 - Theories of Failure (Continued)Lecture 26 - Theories of Failure (Continued) and Their Applications, Griffith Theory of Brittle FractureLecture 27 - Application of Griffith Theory, Irwin-Orowan Modification of Griffith Theory, Assessment of Effect of Dynamic LoadingLecture 28 - Theorems of ElasticityLecture 29 - Theorems of Elasticity (Continued)



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Lecture 30 - Thermal Stress Distribution in Rectangular Sheet due to Symmetric and Asymmetric Temperature FieldsLecture 31 - Thermal Stress Distribution in CylindersLecture 32 - Unsymmetrical BendingLecture 33 - Shear CentreLecture 34 - Plate BendingLecture 35 - Plate Bending (Continued)Lecture 36 - Examples on Plate BendingLecture 37 - Approximate Solutions for Bending of Rectangular and Circular PlatesLecture 38 - Thin Shells of RevolutionLecture 39 - Beam on Elastic FoundationLecture 40 - Application of Beam on Elastic Foundation Analysis to Pressure Vessels for Calculation of Discontinuity Stresses



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NPTEL Video Course - Mechanical Engineering - Heat and Mass Transfer

Subject Co-ordinator - Prof. S.P. Sukhatme, Prof. U.N. Gaitonde



Lecture 1 - Introduction to Heat and Mass TransferLecture 2 - IntroductionLecture 3 - IntroductionLecture 4 - Heat Conduction - 1Lecture 5 - Heat Conduction - 2Lecture 6 - Heat Conduction - 3Lecture 7 - Heat Conduction - 4Lecture 8 - Heat Conduction - 5Lecture 9 - Heat Conduction - 6Lecture 10 - Thermal Radiation - 1Lecture 11 - Thermal Radiation - 2Lecture 12 - Thermal Radiation - 3Lecture 13 - Thermal Radiation - 4Lecture 14 - Thermal Radiation - 5Lecture 15 - Thermal Radiation - 6Lecture 16 - Review Of Fluid Mechanics - 1Lecture 17 - Review Of Fluid Mechanics - 2Lecture 18 - Forced Convection - 1Lecture 19 - Forced Convection - 2Lecture 20 - Forced Convection - 3Lecture 21 - Forced Convection - 4Lecture 22 - Natural Convection - 1Lecture 23 - Natural Convection - 2Lecture 24 - Natural Convection - 3Lecture 25 - Heat Exchangers - 1Lecture 26 - Heat Exchangers - 2Lecture 27 - Heat Exchangers - 3Lecture 28 - Heat Exchangers - 4Lecture 29 - Boiling and Condensation - 1



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Lecture 30 - Boiling and Condensation - 2Lecture 31 - Boiling and Condensation - 3Lecture 32 - Boiling and Condensation - 4Lecture 33 - Introduction to Mass Transfer - 1Lecture 34 - Introduction to Mass Transfer - 2Lecture 35 - Introduction to Mass Transfer - 3



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NPTEL Video Course - Mechanical Engineering - Robotics

Subject Co-ordinator - Prof. P. Seshu, Prof. P.S. Gandhi, Prof. K. Kurien Issac, Prof. B. Seth, Prof. C. Amarnath



Lecture 1 - Introduction to RoboticsLecture 2 - Technologies in RobotsLecture 3 - Industrial RobotsLecture 4 - Industrial Manipulators and its KinematicsLecture 5 - Parallel ManipulatorsLecture 6 - Grippers manipulatorsLecture 7 - Electric ActuatorsLecture 8 - Actuators - Electric, Hydraulic, PneumaticLecture 9 - Internal State SensorsLecture 10 - Internal State SensorsLecture 11 - External State SensorsLecture 12 - Trajectory planningLecture 13 - Trajectory planningLecture 14 - Trajectory planningLecture 15 - Trajectory planningLecture 16 - Trajectory planningLecture 17 - Trajectory planningLecture 18 - Trajectory planningLecture 19 - Trajectory planningLecture 20 - Forward Position ControlLecture 21 - Inverse ProblemLecture 22 - Velocity AnalysisLecture 23 - Velocity AnalysisLecture 24 - Dynamic AnalysisLecture 25 - Image ProcessingLecture 26 - Image ProcessingLecture 27 - Image ProcessingLecture 28 - Image ProcessingLecture 29 - Image Processing



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Lecture 30 - Image ProcessingLecture 31 - Robot Dynamics and ControlLecture 32 - Robot Dynamics and ControlLecture 33 - Robot Dynamics and ControlLecture 34 - Robot Dynamics and ControlLecture 35 - Robot Dynamics and ControlLecture 36 - Robot Dynamics and ControlLecture 37 - Futuristic Topics in RoboticsLecture 38 - Robot Dynamic and Control-Case StudiesLecture 39 - Robot Dynamic and Control-Case StudiesLecture 40 - Futuristic Topics in Robotics



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NPTEL Video Course - Mechanical Engineering - Tribology

Subject Co-ordinator - Dr. Harish Hirani

Co-ordinating Institute - IIT - Delhi


Lecture 1 - IntroductionLecture 2 - Interdisciplinary Approach and Economic BenefitsLecture 3 - FrictionLecture 4 - Friction EstimationLecture 5 - Friction InstabilityLecture 6 - WearLecture 7 - Adhesive WearLecture 8 - Wear MechanismsLecture 9 - Wear Mechanisms - 2Lecture 10 - Wear AnalysisLecture 11 - Lubrication and LubricantsLecture 12 - Boundary LubricationLecture 13 - Lubrication MechanismsLecture 14 - Hydrodynamic LubricationLecture 15 - Lubricant ClassificationsLecture 16 - Solid and Semi Solid LubricantsLecture 17 - Liquid LubricantsLecture 18 - Lubricant AdditivesLecture 19 - Fluid Film LubricationLecture 20 - Reynolds EquationLecture 21 - Solution of Reynolds EquationLecture 22 - Hybrid Solution Approach (to solve Reynolds Equation)Lecture 23 - Finite Difference Method to Solve Reynolds EquationLecture 24 - Viscosity VariationLecture 25 - Estimating Elastic DeformationLecture 26 - Thermo Hydrodynamic LubricationLecture 27 - Application of TribologyLecture 28 - Rolling Element BearingsLecture 29 - Rolling Element Bearings (Continued...)



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Lecture 30 - Rolling Element Bearings (Continued...)Lecture 31 - Selection of Rolling Element BearingsLecture 32 - Friction of Rolling Element BearingLecture 33 - Bearing ClearanceLecture 34 - Bearing LubricationLecture 35 - Tribology of GearsLecture 36 - Friction and Lubrication of GearsLecture 37 - Friction and Lubrication of Gears (Continued...)Lecture 38 - Surface Fatigue of Spur GearsLecture 39 - Journal BearingsLecture 40 - Hydrostatic BearingsLecture 41 - Hydrodynamic Journal BearingsLecture 42 - Design of Hydrodynamic Journal Bearings



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NPTEL Video Course - Mechanical Engineering - Computer Aided Design and Manufacturing

Subject Co-ordinator - Prof. P.V. Madhusudan Rao, Prof. Anoop Chawla



Lecture 1 - An Introduction to CADLecture 2 - Input Output Devices, Raster GraphicsLecture 3 - Raster Graphics - ILecture 4 - Raster Graphics - IILecture 5 - Polygon FillingLecture 6 - Windowing and ClippingLecture 7 - Clipping of PolygonsLecture 8 - 2D TransformationsLecture 9 - 3D Transformations and ProjectionLecture 10 - Perspective ProjectionsLecture 11 - Projections and Hidden Surface RemovalLecture 12 - Hidden Surface RemovalLecture 13 - Hidden Surface RemovalLecture 14- Hidden Surface RemovalLecture 15 - Finite Element MethodLecture 16 - Galerkin's ApproachLecture 17 - Galerkin's MethodLecture 18 - 1D Finite Element ProblemsLecture 19 - 1D Finite Element ProblemsLecture 20 - FE ProblemsLecture 21 - 1D - FE ProblemsLecture 22 - Penalty Approach and Multi Point BoundaryLecture 23 - Quadratic Shape FunctionsLecture 24 - 2D - FE ProblemsLecture 25 - 2D - FE Problems (Continued.)Lecture 26 - 3D - FE ProblemsLecture 27 - 3D - Tetrahedral and 2D - Quadrilateral ElementLecture 28 - Mesh PreparationLecture 29 - Modeling of Curves



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Lecture 30 - Modeling of CurvesLecture 31 - Modeling of CurvesLecture 32 - Modeling of B-Spline CurvesLecture 33 - Modeling of B-spline CurvesLecture 34 - Surface ModelingLecture 35 - Surface ModelingLecture 36 - Display of Curves and SurfacesLecture 37 - Solid ModelingLecture 38 - Solid ModelingLecture 39 - Solid Modeling Using OctreesLecture 40 - (Lecture Missing)Lecture 41 - Computer Aided DesignLecture 42 - Computer Aided ManufacturingLecture 43 - What is CAD/CAMLecture 44 - An Overview of Geometric ModelingLecture 45 - Parametric Cubic CurveLecture 46 - Parametric Bezier CurveLecture 47 - B-Spline CurveLecture 48 - Parametric Surfaces - Part-1Lecture 49 - Parametric Surfaces - Part-2Lecture 50 - Solid ModelingLecture 51 - Geometric & Product Data ExchangeLecture 52 - Reverse Engineering



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NPTEL Video Course - Mechanical Engineering - Project and Production Management

Subject Co-ordinator - Prof. Arun Kanda



Lecture 1 - Project and Production Management - An OverviewLecture 2 - Project ManagementLecture 3 - Project Identification and ScreeningLecture 4 - Project Appraisal - Part ILecture 5 - Project Appraisal - Part IILecture 6 - Project SelectionLecture 7 - Project RepresentationLecture 8 - Consistency and Redundancy in Project NetworksLecture 9 - Basic scheduling with A-O-A NetworksLecture 10 - Basic Scheduling with A-O-N NetworksLecture 11 - Project Scheduling with Probabilistic ActivityLecture 12 - Linear Time-Cost Tradeoffs in ProjectsLecture 13 - Project Crashing with Multiple ObjectivesLecture 14 - Resource Profiles and LevelingLecture 15 - Limited Resource AllocationLecture 16 - Project Monitoring and Control with PERT/CostLecture 17 - Team Building and Leadership in ProjectsLecture 18 - Organizational and Behavioral IssuesLecture 19 - Computers in Project ManagementLecture 20 - Project Completion and ReviewLecture 21 - Life Cycle of a Production SystemLecture 22 - Role of Models in Production ManagementLecture 23 - Financial Evaluation of capital DecisionsLecture 24 - Decision Trees and Risk EvaluationLecture 25 - Introducing New Products & ServicesLecture 26 - Economic Evaluation of New Products & ServicesLecture 27 - Product Mix DecisionsLecture 28 - Product & Process DesignLecture 29 - Issues in Location of Facilities



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Lecture 30 - Mathematical Models for Facility LocationLecture 31 - Layout planningLecture 32 - Computerised Layout PlanningLecture 33 - Product Layouts and Assembly Line BalancingLecture 34 - ForecastingLecture 35 - The Analysis of Time SeriesLecture 36 - Aggregate Production PlanningLecture 37 - Modelling ApproachesLecture 38 - Basic Inventory PrinciplesLecture 39 - Inventory ModellingLecture 40 - Material Requirements PlanningLecture 41 - Scheduling of Job Shops



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NPTEL Video Course - Mechanical Engineering - NOC:RAC Product Design

Subject Co-ordinator - Prof. Sanjeev Jain



Lecture 1 - Introduction to DesignLecture 2 - Design ConsiderationsLecture 3 - Basic Concepts Psychrometry and Air-ConditioningLecture 4 - RefrigerantsLecture 5 - Refrigerant Properties and ApplicationsLecture 6 - Refrigeration Cycle and ComponentsLecture 7 - Compressor SelectionLecture 8 - Expansion DevicesLecture 9 - Condensers and EvaporatorsLecture 10 - Types of Heat Exchangers and Air Conditioning SystemsLecture 11 - Selection of Air Conditioning Systems for HostelsLecture 12 - Case Study on a Railway Air Conditioning SystemLecture 13 - Vibration and noise issues in railway AC systemsLecture 14 - New product launch processLecture 15 - Case study on a telecom cooling system and Emerging technologies



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NPTEL Video Course - Mechanical Engineering - NOC:Thermodynamics

Subject Co-ordinator - Prof. S.R kale



Lecture 1 - Thermodynamic ConceptsLecture 2 - Thermodynamic ConceptsLecture 3 - Thermodynamic ConceptsLecture 4 - Thermodynamic ConceptsLecture 5 - Thermodynamic ConceptsLecture 6 - Thermodynamic ConceptsLecture 7 - Thermodynamic ConceptsLecture 8 - Thermodynamic ConceptsLecture 9 - Thermodynamic ConceptsLecture 10 - Thermodynamic ConceptsLecture 11 - Laws Of ThermodynamicsLecture 12 - Laws Of ThermodynamicsLecture 13 - Laws Of ThermodynamicsLecture 14 - Laws Of ThermodynamicsLecture 15 - Laws Of ThermodynamicsLecture 16 - Laws Of ThermodynamicsLecture 17 - Laws Of ThermodynamicsLecture 18 - Laws Of ThermodynamicsLecture 19 - Laws Of ThermodynamicsLecture 20 - Properties of a Pure SubstanceLecture 21 - Properties of a Pure SubstanceLecture 22 - Properties of a Pure SubstanceLecture 23 - Properties of a Pure SubstanceLecture 24 - Properties of a Pure SubstanceLecture 25 - Properties of a Pure SubstanceLecture 26 - Properties of a Pure SubstanceLecture 27 - Properties of a Pure SubstanceLecture 28 - Properties of a Pure SubstanceLecture 29 - Properties of a Pure Substance



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Lecture 30 - Properties of a Pure SubstanceLecture 31 - Laws of ThermodynamicsLecture 32 - Applications, Problem SolvingLecture 33 - Applications, Problem SolvingLecture 34 - Applications, Problem SolvingLecture 35 - Applications, Problem SolvingLecture 36 - Applications, Problem SolvingLecture 37 - Applications, Problem SolvingLecture 38 - Applications, Problem SolvingLecture 39 - Applications, Problem SolvingLecture 40 - Applications, Problem SolvingLecture 41 - Applications, Problem SolvingLecture 42 - Applications, Problem SolvingLecture 43 - Applications, Problem SolvingLecture 44 - Applications, Problem SolvingLecture 45 - Properties of Ideal Gas MixturesLecture 46 - Properties of Ideal Gas MixturesLecture 47 - Gas-Vapour MixturesLecture 48 - Gas-Vapour MixturesLecture 49 - Gas-Vapour MixturesLecture 50 - Thermodynamics of Reacting sytemsLecture 51 - Thermodynamics of Reacting sytemsLecture 52 - Thermodynamics of Reacting sytemsLecture 53 - Phase and Chemical EquilibriumLecture 54 - Phase and Chemical Equilibrium



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NPTEL Video Course - Mechanical Engineering - NOC:Solid Mechanics

Subject Co-ordinator - Prof. Ajeet Kumar



Lecture 1 - Mathematical ConceptsLecture 2 - Traction VectorLecture 3 - Stress Tensor and its Matrix RepresentationLecture 4 - Transformation of Stress MatrixLecture 5 - Stress Equilibrium EquationsLecture 6 - Balance of Angular Momentum (Continued...)Lecture 7 - Principal Planes and Principal stress componentsLecture 8 - Maximizing the Shear Component of TractionLecture 9 - Mohr's CircleLecture 10 - Mohr's Circle (Continued...), Stress Invariants, Decomposition of the Stress TensorLecture 11 - Concept of Strain TensorLecture 12 - Longitudinal and Shear StrainsLecture 13 - Local Volumetric Strain and Local Infinitesimal RotationLecture 14 - Similarity in Properties of Stress and Strain TensorsLecture 15 - Stress-Strain RelationLecture 16 - Stress-Strain Relation for Isotropic MaterialsLecture 17 - Linear Momentum Balance in Cylinderical Coordinate SystemLecture 18 - Linear Momentum Balance in Cylinderical Coordinate System (Continued...)Lecture 19 - Strain Matrix Cylinderical Coordinate SystemLecture 20 - Extension-Torsion-Inflation in a Hollow CylinderLecture 21 - Extension-Torsion-Inflation in a Hollow Cylinder (Continued...)Lecture 22 - Solving Problems Involving Torsion of ShaftsLecture 23 - Pure Bending of Rectangular BeamsLecture 24 - Bending of Beams (Continued...)Lecture 25 - Bending of Unsymmetrical BeamsLecture 26 - Concept of Shear CenterLecture 27 - Theoy of BeamsLecture 28 - Theoy of Beams (Continued...) and Beam BucklingLecture 29 - Energy Methods



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Lecture 30 - Energy Methods (Continued...)Lecture 31 - Theories of FailureLecture 32 - Theories of Failure (Continued...)



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NPTEL Video Course - Mechanical Engineering - Nonlinear Vibration

Subject Co-ordinator - Prof. S.K. Dwivedy

Co-ordinating Institute - IIT - Guwahati


Lecture 1 - Introduction of Nonlinear systemsLecture 2 - Review of Linear vibrating systemsLecture 3 - Phenomena associated with Nonlinear systemsLecture 4 - Commonly observed Phenomena in Nonlinear systemsLecture 5 - Force and Moment based ApproachLecture 6 - Energy based approach Extended Hamiltonâ��s principle and Lagrange PricipleLecture 7 - Derivation of Equation of motion of nonlinear discrete system (More examples)Lecture 8 - Derivation of Equation of motion of nonlinear continuous system - 1Lecture 9 - Derivation of Equation of motion of nonlinear continuous system - 2Lecture 10 - Ordering of nonlinear Equation of motionLecture 11 - Qualitative Analysis Straight forward expansionLecture 12 - Numerical method Straight forward expansionLecture 13 - Lindstedt Poincareâ�� techniqueLecture 14 - Method of multiple scalesLecture 15 - Method of Harmonic balanceLecture 16 - Method of averagingLecture 17 - Generalized Method of averagingLecture 18 - Krylov-Bogoliubov-Mitropolski techniqueLecture 19 - Incremental harmonic balance method and Intrinsic multiple scale harmonic balance methodLecture 20 - Modified Lindstedt Poincareâ�� techniqueLecture 21 - Stability and Bifurcation of Fixed-point response - 1Lecture 22 - Stability and Bifurcation of Fixed-point response - 2Lecture 23 - Stability and Bifurcation of Fixed-point response - 3Lecture 24 - Stability and Bifurcation of Fixed-point response - 4Lecture 25 - Stability Analysis of Periodic responseLecture 26 - Bifurcation of Periodic response And Introduction to quasi-periodic and Chaotic responseLecture 27 - Quasi-Periodic and Chaotic responseLecture 28 - Numerical methods to obtain roots of characteristic equation and time responseLecture 29 - Numerical methods to obtain time response



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Lecture 30 - Numerical methods to obtain frequency responseLecture 31 - Free Vibration of Single degree of freedom Nonlinear systems with Cubic and quadratic nonlinearitiesLecture 32 - Free Vibration of Single degree of freedom Nonlinear systems with Cubic and quadratic nonlinearitiesLecture 33 - Free Vibration of multi- degree of freedom Nonlinear systems with Cubic and quadratic nonlinearitiesLecture 34 - Forced nonlinear Vibration Single degree of freedom Nonlinear systems with Cubic nonlinearitiesLecture 35 - Forced nonlinear Vibration Single and multi- degree of freedom Nonlinear systemsLecture 36 - Nonlinear Forced-Vibration of Single and Multi Degree-of-Freedom SystemLecture 37 - Analysis of Multi- degree of freedom systemLecture 38 - Nonlinear Vibration of Parametrically excited systemLecture 39 - Nonlinear Vibration of Parametrically excited systemLecture 40 - Nonlinear Vibration of Parametrically excited system with internal resonance



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NPTEL Video Course - Mechanical Engineering - Theory and Practice of Rotor Dynamics

Subject Co-ordinator - Prof. Rajiv Tiwari



Lecture 1 - IntroductionLecture 2 - A Brief History of Rotor DynamicsLecture 3 - The State of the Art of Rotor DynamicsLecture 4 - Simple Rotor Models with Rigid BearingsLecture 5 - Jeffcott Rotor ModelLecture 6 - Variant of Jeffcott Rotor ModelLecture 7 - Rigid Rotor Mounted on Simple Anistropic Springs as BearingsLecture 8 - Rigid Rotor Mounted on Complex Anisotropic BearingsLecture 9 - Flexible Shaft with a Rigid Disc Mounted on Anistropic SupportsLecture 10 - Gyroscopic EffectsLecture 11 - Gyroscopic EffectsLecture 12 - Gyroscopic EffectsLecture 13 - Gyroscopic EffectsLecture 14 - Torsional VibrationsLecture 15 - Three Disc Rotor SystemLecture 16 - Transfer Matrix Approach - Part ILecture 17 - Transfer Matrix Approach - Part IILecture 18 - Transfer Matrix Approach - Part IIILecture 19 - Geared and Branched SystemsLecture 20 - Continuous System and Finite Element MethodLecture 21 - Finite Element MethodLecture 22 - Finite Element AnalysisLecture 23 - Finite Element Analysis - Part IIILecture 24 - Influence Coefficient MethodLecture 25 - Transfer Matrix Method - Part ILecture 26 - Transfer Matrix Method - Part IILecture 27 - Transfer Matrix Method - Part IIILecture 28 - Continuous System ApproachLecture 29 - Finite Element Method - Part I



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Lecture 30 - Finite Element Method - Part IILecture 31 - Finite Element Method - Part IIILecture 32 - Instability in Rotor SystemsLecture 33 - Fluid-Film BearingsLecture 34 - Internal Damping & Asymmetrical ShaftLecture 35 - Steam Whirl and SealsLecture 36 - Subcritical Speed WhirlLecture 37 - Introduction to Rigid Rotor BalancingLecture 38 - Dynamic Balancing of RotorsLecture 39 - Dynamic Balancing of RotorsLecture 40 - Dynamic Balancing of RotorsLecture 41 - Common Faults & Vibration signaturesLecture 42 - Condition Based Monitoring



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NPTEL Video Course - Mechanical Engineering - Engineering Mechanics

Subject Co-ordinator - Prof. U.S. Dixit, Dr. G. Saravana Kumar



Lecture 1 - Fundamentals Of Engineering MechanicsLecture 2 - Equations of EquilibriumLecture 3 - Truss Analysis - Part 1Lecture 4 - Truss Analysis - Part 2Lecture 5 - Analysis of Frames MachinesLecture 6 - Internal ForcesLecture 7 - Internal Forces in BeamsLecture 8 - CablesLecture 9 - FrictionLecture 10 - Application of Friction - Part 1Lecture 11 - Application of Friction - Part 2Lecture 12 - Application of Friction - Part 3Lecture 13 - Centroids Center of MassLecture 14 - Centroids Area of MomentsLecture 15 - Product of Inertia, Rotation of Axis and Principle Moments of InertiaLecture 16 - Principle Mass Moments of InertiaLecture 17 - Second Moment of MassLecture 18 - Virtual Work of Ideal SystemLecture 19 - Principle of Virtual WorkLecture 20 - Systems with FrictionLecture 21 - Potential EnergyLecture 22 - Stability of EquilibriumLecture 23 - Kinematics of a ParticlesLecture 24 - Kinematics of a Particle Moving on a CurveLecture 25 - Relative MotionLecture 26 - Plane Kinematics of Rigid BodiesLecture 27 - Kinematics of a ParticleLecture 28 - Work and EnergyLecture 29 - Impulse and Momentum



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Lecture 30 - Direct and Oblique ImpulseLecture 31 - Plane Kinetics of Rigid BodiesLecture 32 - Kinetics of a BodyLecture 33 - Method of Momentum and Analysis of Robot ManipulatorLecture 34 - Kinematics in 3DLecture 35 - Kinetics in 3DLecture 36 - Free VibrationLecture 37 - Forced Vibration Damped UndampedLecture 38 - Vibration of Rigid Bodies - Part 1Lecture 39 - Vibration of Rigid Bodies - Part 2Lecture 40 - Some Problems of Vibration



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NPTEL Video Course - Mechanical Engineering - Mechanical Vibrations

Subject Co-ordinator - Prof. S.K. Dwivedy, Prof. Rajiv Tiwari



Lecture 1 - Overview of the Course, Practical and Research TrendsLecture 2 - Harmonic and Periodic Motions, Vibration TerminologyLecture 3 - Vibration Model, Equation of Motion-Natural FrequencyLecture 4 - Energy Method, Principle of Virtual WorkLecture 5 - Viscously Damped Free Vibration Special CasesLecture 6 - Logarithmic Decrement Experimental Determination of Damping Coefficient Hystersis LoopLecture 7 - Coulomb Damping other Damping ModelsLecture 8 - Forced Harmonic Vibration, Magnification FactorLecture 9 - Laplace Transform, Superposition TheoremLecture 10 - Rotor Unbalance and Whirling of Shaft, TransmissibilityLecture 11 - Support Motion, Vibration IsolationLecture 12 - Sharpness of Resonance, Vibration Measuring InstrumentsLecture 13 - Generalized and Principle Coordinates, Derivation of Equation of MotionLecture 14 - Lagranges's EquationLecture 15 - Coordinate CouplingLecture 16 - Forced Harmonic VibrationLecture 17 - Tuned Absorber, Determination of Mass RatioLecture 18 - Tuned and Damped Absorber, Untuned Viscous DamperLecture 19 - Derivation of Equations of Motion, Influence Coefficient MethodLecture 20 - Properties of Vibrating SystemsLecture 21 - Modal AnalysisLecture 22 - Modal AnalysisLecture 23 - Simple Systems With One Two or Three Discs Geared SystemLecture 24 - Multi-Degree of Freedom Systems-Transfer Matrix Method Branched SystemsLecture 25 - Derivation of Equations of Motion Part 1 - NewtonLecture 26 - Derivation of Equations of Motion Part 2 - NewtonLecture 27 - Vibration of StringsLecture 28 - Longitudinal and Torsional Vibration of RodsLecture 29 - Transverse Vibration of Beams, Equations of Motion and Boundary Conditions



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Lecture 30 - Transverse Vibration of BeamsLecture 31 - Rayleigh's Energy MethodLecture 32 - Matrix Iteration MethodLecture 33 - Durkerley, Rayleigh-Ritz and Galerkin MethodLecture 34 - Finite Element Formulation for Rods, Gear Train and Branched SystemLecture 35 - Finite Element Formulation for BeamsLecture 36 - Global Finite Element Assembly and Imposition of Boundary ConditionsLecture 37 - Vibration Testing EquipmentsLecture 38 - Vibration Testing EquipmentsLecture 39 - Field Balancing of RotorsLecture 40 - Condition Monitoring



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NPTEL Video Course - Mechanical Engineering - NOC:Advanced Machining Processes

Subject Co-ordinator - Prof. Manas Das



Lecture 1 - Introduction to advanced machining processesLecture 2 - Ultrasonic machining - Part ILecture 3 - Ultrasonic machining - Part IILecture 4 - Abrasive jet machiningLecture 5 - Water jet cutting and Abrasive water jet machiningLecture 6 - Magnetic abrasive finishingLecture 7 - Abrasive Flow FinishingLecture 8 - Magnetorheological FinishingLecture 9 - Magnetorheological Abrasive Flow Finishing - Part ILecture 10 - Magnetorheological Abrasive Flow Finishing - Part IILecture 11 - Magnetorheological Abrasive Flow Finishing - Part IIILecture 12 - Electric discharge machining (EDM)Lecture 13 - Electric Discharge Grinding, Electric Discharge Diamond Grinding and Wire Electric Discharge MachiningLecture 14 - Electrochemical Machining (ECM)Lecture 15 - Electrochemical Grinding, Electrostream Drilling, Shaped Tube Electrolytic MachiningLecture 16 - Plasma Arc Machining (PAM)Lecture 17 - Electron Beam Machining (EBM) Edit LessonLecture 18 - Laser Beam Machining (LBM)Lecture 19 - Chemical Machining (ChM)



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NPTEL Video Course - Mechanical Engineering - NOC:Fundamentals of Nuclear Power Generation

Subject Co-ordinator - Prof. Dipankar N. Basu



Lecture 1 - Introduction of nuclear energyLecture 2 - Binding energy and mass defectLecture 3 - Radioactivity and radioactive decayLecture 4 - Different types of nuclear transmutationLecture 5 - Artificial radioactivity and neutron-nucleus interactionsLecture 6 - Energy and momentum conservationLecture 7 - Fission and role of neutron energyLecture 8 - Theory of elastic scatteringLecture 9 - Neutron multiplication factorLecture 10 - Neutron diffusion theoryLecture 11 - Solution of one-group diffusion equationLecture 12 - Simple reactor theoryLecture 13 - Nuclear fuel and simple energy considerationLecture 14 - Axial temperature distribution and heat transfer coefficientLecture 15 - Prompt and delayed neutronsLecture 16 - Delayed neutron kineticsLecture 17 - Different control mechanisms and various effectsLecture 18 - Classical reactor designsLecture 19 - Evolution of reactors from Gen-I to Gen-IVLecture 20 - The concept of breedingLecture 21 - Fuel cycles and FBRLecture 22 - Gen-IV FBR designsLecture 23 - Hydrogen fusion reactionsLecture 24 - Coulomb barrier and other critical factorsLecture 25 - Radiation dose and gross biological effectsLecture 26 - Stochastic and deterministic effects of human cellsLecture 27 - Lessons from TMI and ChernobylLecture 28 - Defence-in-depth PhilosophyLecture 29 - Waste classification and Disposal of Mill Tailings



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Lecture 30 - Disposal methodologies for HLW and IMW



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NPTEL Video Course - Mechanical Engineering - NOC:Advances in Welding and Joining Technologies

Subject Co-ordinator - Prof. Swarup bag



Lecture 1 - Fundamentals of Welding and Joining - Part ILecture 2 - Fundamentals of Welding and Joining - Part IILecture 3 - Fundamentals of Welding and Joining - Part IIILecture 4 - Fundamentals of Welding and Joining - Part IVLecture 5 - Fundamentals of Welding and Joining - Part VLecture 6 - Laser and Electron Beam Welding - Part ILecture 7 - Laser and Electron Beam Welding - Part IILecture 8 - Solid State Welding Processes - Part ILecture 9 - Solid State Welding Processes - Part IILecture 10 - Solid State Welding Processes - Part IIILecture 11 - Computational Welding Mechanics - Part ILecture 12 - Computational Welding Mechanics - Part IILecture 13 - Computational Welding Mechanics - Part IIILecture 14 - Micro and Nano Joining Processes - Part ILecture 15 - Micro and Nano Joining Processes - Part IILecture 16 - Micro and Nano Joining Processes - Part IIILecture 17 - Welding Metallurgy - Part ILecture 18 - Welding Metallurgy - Part IILecture 19 - Welding Metallurgy - Part IIILecture 20 - Welding Metallurgy - Part IVLecture 21 - Welding and Joining of Non-Metals - Part ILecture 22 - Welding and Joining of Non-Metals - Part IILecture 23 - Metal Transfer in Welding and Metal Printing



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NPTEL Video Course - Mechanical Engineering - NOC:Introduction to Machining and Machining Fluids

Subject Co-ordinator - Prof. Mamilla Ravi Sankar



Lecture 1 - IntroductionLecture 2 - Introduction and Importance of MachiningLecture 3 - Principles of Machining or Metal CuttingLecture 4 - Cutting ToolsLecture 5 - Forces in MachiningLecture 6 - Tribology in MachiningLecture 7 - Lubrication surface roughness in MachiningLecture 8 - Machinability and Thermal AspectsLecture 9 - Tool Wear and Tool life - Part 1Lecture 10 - Tool Wear and Tool life - Part 2Lecture 11 - Tool Wear and Tool life - Part 3Lecture 12 - Tool Materials and CoatingsLecture 13 - Machining Fluids / Cutting Fluids and its Additives - Part 1Lecture 14 - Machining Fluids / Cutting Fluids and its Additives - Part 2Lecture 15 - Machining Fluids / Cutting Fluids and its EmissionsLecture 16 - Eco Friendly Cutting Fluids - Part 1Lecture 17 - Eco Friendly Cutting Fluids - Part 2Lecture 18 - Rheology and Thermal Characterization of Machining / Cutting FluidsLecture 19 - Bio-degradation Studies of Machining / Cutting FluidsLecture 20 - Cutting Fluid Application in Machining RegionLecture 21 - Practical Machining Processes - 1Lecture 22 - Practical Machining Processes - 2Lecture 23 - Introduction to Abrasive Processes - GrindingLecture 24 - Cutting fluids in Grinding ProcessLecture 25 - Unbonded Conventional Abrasive ProcessesLecture 26 - Advances in Metal Cutting_Machining ProcessesLecture 27 - Advances in Metal Cutting_Machining Processes - 2



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NPTEL Video Course - Mechanical Engineering - NOC:Mechanics of Machining

Subject Co-ordinator - Dr. Uday S. Dixit



Lecture 1 - Deformation of MetalsLecture 2 - Mechanism of Plastic DeformationLecture 3 - Machining ProcessesLecture 4 - Tool GeometryLecture 5 - Tool Specifications, Conversion Of Tool Angles, Multi-Point Cutting ToolsLecture 6 - Mechanics of Orthogonal Cutting, Force RelationshipsLecture 7 - Determination of Stress, Strain, and Strain RateLecture 8 - Measurement of Shear AngleLecture 9 - Other Analysis for Force RelationshipsLecture 10 - Mechanics of Oblique CuttingLecture 11 - Measurement of Cutting ForcesLecture 12 - Thermal Aspects Of MachiningLecture 13 - Tool Wear and Tool Life and Tool Life EquationsLecture 14 - Economics in MachiningLecture 15 - Practical Machining OperationsLecture 16 - Practical Machining OperationsLecture 17 - Grinding of Metals and Mechanics of Grinding ProcessLecture 18 - Abrasive Machining and Finishing OperationsLecture 19 - CNC Machines and CNC ProgrammingLecture 20 - Introduction to Advanced Machining Processes



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NPTEL Video Course - Mechanical Engineering - NOC:Principle of Hydraulic Machines and System Design

Subject Co-ordinator - Prof. Pranab K. Mondal



Lecture 1 - Introduction to hydraulic machinesLecture 2 - Euler equation for turbomachinesLecture 3 - Velocity triangles of pumps, effect of inlet swirl on velocity trianglesLecture 4 - Pump casing, efficiencies, problemsLecture 5 - H-Q Curve, System resistance CurveLecture 6 - Stodola slip model, problems - ILecture 7 - Stodola slip model, problems - IILecture 8 - Stodola slip model, problems - IIILecture 9 - NPSHLecture 10 - Radial flow pump testingLecture 11 - Degrees of reactionLecture 12 - Radial equlibrium of axial flow machines - ILecture 13 - Radial equlibrium of axial flow machines - IILecture 14 - Pumps operationLecture 15 - Pumps operationLecture 16 - Affinity laws, specific speed - Part ILecture 17 - Affinity laws, specific speed - Part IILecture 18 - Pumping system design - 1Lecture 19 - Pumping system design - 2Lecture 20 - Pumping system design - 3Lecture 21 - Positive displacement pump, indicator diagram - ILecture 22 - Positive displacement pump, indicator diagram - IILecture 23 - Characteristic H-Q curve of positive displacement pump, problemsLecture 24 - Hydraulic TurbineLecture 25 - Impulse TurbineLecture 26 - Impulse TurbineLecture 27 - Reaction TurbineLecture 28 - Reaction TurbineLecture 29 - Degrees of Reaction and Efficiency of Hydraulic Turbine



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Lecture 30 - Hydraulic TurbineLecture 31 - Cavitation in Hydraulic Turbine



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NPTEL Video Course - Mechanical Engineering - NOC:Introduction to Abrasive Machining and Finishing Processes




Lecture 1 - Introduction to Abrasive Machining and Finishing ProcessesLecture 2 - Grinding ProcessLecture 3 - Grinding Fluids and Its AdditivesLecture 4 - Grinding Fluids and its EmissionsLecture 5 - Sustainable Grinding ProcessLecture 6 - Sustainable Grinding ProcessLecture 7 - Honing ProcessLecture 8 - Lapping ProcessLecture 9 - Super Finishing and Sand BlastingLecture 10 - Vibratory Bowl Finishing,Rotary Barrel Finishing or TumblingLecture 11 - Drag Finishing, Ice-bonded Abrasive Finishing, Pitch Polishing, Pad PolishingLecture 12 - Introduction to Surface Texture in abrasive ProcessLecture 13 - Representation of Surface RoughnessLecture 14 - Abrasive Jet Machining (AJM)Lecture 15 - Abrasive Water Jet Machining (AWJM)Lecture 16 - Ultrasonic Machining (USM)Lecture 17 - EDM, Wire-EDM, EDG, EDDG, AW-EDGLecture 18 - Elastic Emission MachiningLecture 19 - PMEDM and ECD and ELID, ECHLecture 20 - Abrasive Flow FinishingLecture 21 - Abrasive Flow FinishingLecture 22 - Magnetic Field Assisted Abrasive FinishingLecture 23 - Magneto Rheological Finishing and BE-MRFLecture 24 - Magnetic Field Assisted Abrasive FinishingLecture 25 - Summary of the Course



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NPTEL Video Course - Mechanical Engineering - NOC:Theory of Rectangular Plates - Part 1

Subject Co-ordinator - Prof. Poonam Kumari



Lecture 1 - Basic of Solid MechanicsLecture 2 - Enegry PrinciplesLecture 3 - Classification of Plate Theories and Some BasicsLecture 4 - TutorialLecture 5 - Governing Equation for Plate - 1Lecture 6 - Governing Equation for Plate - 2Lecture 7 - TutorialLecture 8 - Navier Solution + Levy solutionLecture 9 - Levy SolutionLecture 10 - TutorialLecture 11 - EKM and buckling of platesLecture 12 - 3D SolutionsLecture 13 - Matlab Coding + ABAQUSLecture 14 - Tutorial



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NPTEL Video Course - Mechanical Engineering - NOC:Principles of Mechanical Measurement




Lecture 1 - Introduction to measurementLecture 2 - Generalized measurement system and static characteristicsLecture 3 - Uncertainties in measurementLecture 4 - Statistical treatment of random errorsLecture 5 - System response to periodic inputsLecture 6 - Zeroth and first order systemsLecture 7 - First and second order systemsLecture 8 - Basics of digitization and number systemsLecture 9 - Binary logic gates and binary codesLecture 10 - Analog-to-digital conversionLecture 11 - Digital-to-analog conversionLecture 12 - Electromagnetic indicatorsLecture 13 - Electronic amplifiers and filtersLecture 14 - Resistive devicesLecture 15 - Inductive, capacitive and optical devicesLecture 16 - Piezoelectric and nozzle-flapper transducersLecture 17 - Resistive strain gages and associated circuitryLecture 18 - Strain gage rosettes and gage orientationLecture 19 - Elastic and strain gage load cellsLecture 20 - Various load cells and dynamometersLecture 21 - Principles of manometryLecture 22 - Piezometer and elastic pressure transducerLecture 23 - Electric pressure transducer and high and low pressure measurementLecture 24 - Bernoulli's equation in obstruction metersLecture 25 - Obstruction meters and volume flowmetersLecture 26 - Mass flowmeters and velocity probesLecture 27 - Expansion-based devicesLecture 28 - RTD, Thermistor and ThermocoupleLecture 29 - Introduction to pyrometers



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Lecture 30 - Basic seismic transducerLecture 31 - Vibro-, velo- and accelerometerLecture 32 - Introduction to acoustic measurementLecture 33 - Radioactivity and its biological effects



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NPTEL Video Course - Mechanical Engineering - NOC:IC Engines and Gas Turbines

Subject Co-ordinator - Dr. Vinayak Kulkarni, Prof. Pranab K. Mondal



Lecture 1 - External and Internal combustion engines, Engine components, SI and CI enginesLecture 2 - Four-stroke and Two-stroke engines, Comparison between SI and CI engines, and Four-stroke and Two-stroke enginesLecture 3 - Classification of IC enginesLecture 4 - Engine operating characteristicsLecture 5 - Otto, Diesel and Dual cyclesLecture 6 - Otto, Diesel and Dual cycles (Continued...)Lecture 7 - Otto, Diesel and Dual cycles (Continued...)Lecture 8 - Otto, Diesel and Dual cycles (Continued...)Lecture 9 - Comparison between the cycles, Actual cycles and their analysisLecture 10 - Carburetor, Mixture requirementsLecture 11 - Carburetor, Mixture requirements (Continued...)Lecture 12 - Idling, cruising and power rangesLecture 13 - Idling, cruising and power ranges (Continued...)Lecture 14 - Classification, types of nozzles, Ignition system, Battery and Magneto ignition systemsLecture 15 - Classification, types of nozzles, Ignition system, Battery and Magneto ignition systems (Continued...)Lecture 16 - Classification, types of nozzles, Ignition system, Battery and Magneto ignition systems (Continued...)Lecture 17 - Engine friction, Lubrication systems, forces on pistonLecture 18 - Lubricating oils, Thermochemistry and Fuels, Self-ignitionLecture 19 - Octane and Cetane Numbers, Alternative Fuels - Methanol, Ethanol, hydrogen, Natural GasLecture 20 - Octane and Cetane Numbers, Alternative Fuels - Methanol, Ethanol, hydrogen, Natural Gas (Continued...)Lecture 21 - Combustion in SI and CI Engines, Pressure Crank Angle DiagramLecture 22 - Combustion in SI and CI Engines, Pressure Crank Angle Diagram (Continued...)Lecture 23 - Combustion in SI and CI Engines, Pressure Crank Angle Diagram (Continued...)Lecture 24 - SI engine injection system, Energy distribution, Engine temperatures, Heat transfer in combustion chambersLecture 25 - SI engine injection system, Energy distribution, Engine temperatures, Heat transfer in combustion chambers (Continued...)Lecture 26 - CI engine injection systems, Air-cooled and liquid-cooled engines, Modern trendsLecture 27 - CI engine injection systems, Air-cooled and liquid-cooled engines, Modern trends (Continued...)Lecture 28 - CI engine injection systems, Air-cooled and liquid-cooled engines, Modern trends (Continued...)Lecture 29 - Problems on IC engine



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Lecture 30 - Turbomachines, Gas Turbine theoryLecture 31 - Open Cycle Gas Turbine Power Plant, Twin Shaft ArrangementLecture 32 - Closed Cycle, Multi-Spool Arrangement, Steam Power PlantLecture 33 - Basic ThermodynamicsLecture 34 - Brayton CycleLecture 35 - Brayton CycleLecture 36 - Brayton Cycle with Heat Exchanger/ReheaterLecture 37 - Brayton Cycle with IntercoolerLecture 38 - Real Brayton Cycle, Solved Example for Ideal CycleLecture 39 - Solved Examples for Real Brayton CycleLecture 40 - Introduction and Performance Parameters of Propulsion SystemLecture 41 - Basics of Various Aircraft EngineLecture 42 - Eular Turbomachinary EquationLecture 43 - Introduction and Flow Analysis of Centrifugal CompressorsLecture 44 - Thermodynamics Analysis of Centrifugal CompressorsLecture 45 - Axial CompressorLecture 46 - Axial CompressorLecture 47 - Complete Analysis of Axial Flow Gas TurbineLecture 48 - Solved Examples for Axial Compressors,Centrifugal Compressors and TurbineLecture 49 - Radial Flow Turbine, Solved Example of Free vortex ConditionLecture 50 - Nozzles and Diffuers



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NPTEL Video Course - Mechanical Engineering - NOC:Fundamental of Welding Science and Technology

Subject Co-ordinator - Prof. Pankaj Biswas



Lecture 1 - Introduction of weldingLecture 2 - Classification of welding and jointsLecture 3 - Parts of weld jointLecture 4 - Welding SymbolLecture 5 - welding power source - 1Lecture 6 - Welding power source - 2Lecture 7 - Welding Power sources characteristics - 1Lecture 8 - Welding Power sources characteristics - 2Lecture 9 - Physics of welding - 1Lecture 10 - Physics of welding - 2Lecture 11 - Physics of welding - 4 (Arc Stability and Arc Blow)Lecture 12 - Physics of welding - 3Lecture 13 - Physics of welding - 5 (Metal Transfer-1)Lecture 14 - Physics of welding - 6 (Metal Transfer-2)Lecture 15 - Physics of welding - 7 (Metal Transfer-3)Lecture 16 - Physics of welding - 8 (Metal Transfer-4)Lecture 17 - Physics of welding - 9 (Metal Transfer-5)Lecture 18 - Physics of welding - 10 (Metalting Efficiency)Lecture 19 - Oxy-Fuel Gas WeldingLecture 20 - Shielded Metal Arc WeldingLecture 21 - Gas Tungsten Arc WeldingLecture 22 - Gas Metal Arc WeldingLecture 23 - Submerged Arc WeldingLecture 24 - Welding Defects and Inspection



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NPTEL Video Course - Mechanical Engineering - NOC:Polymer Assisted Abrasive Finishing Processes




Lecture 1 - Introduction to Polymer Assisted Abrasive Finishing ProcessesLecture 2 - Surface Integrity and Surface roughness representation - Part ILecture 3 - Surface Integrity and Surface roughness representation - Part IILecture 4 - Introduction to Grinding and Polymer assisted Grinding WheelsLecture 5 - Polymer medium for vibratory bowl finishing, Tumbling, Drag finishingLecture 6 - Polymer Pad and Chemo-mechanical PolishingLecture 7 - Elastic Emission MachiningLecture 8 - Hydrodynamic Polishing, Elasto Abrasive FinishingLecture 9 - Abrasive Flow Machining and Finishing - Part ILecture 10 - Abrasive Flow Machining and Finishing - Part IILecture 11 - Advances in Abrasive Flow FinishingLecture 12 - Advances in Abrasive Flow FinishingLecture 13 - AFF ProcessesLecture 14 - Finishing of Biomedical implants (Micro AFFLecture 15 - Summary of the Course



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NPTEL Video Course - Mechanical Engineering - NOC:Mathematical Modeling of Manufacturing Processes

Subject Co-ordinator - Prof. Swarup bag



Lecture 1 - Materials and manufacturing Processes - 1Lecture 2 - Materials and manufacturing Processes - 2Lecture 3 - Physics based modeling approach at different scaleLecture 4 - Evaluation of properties and process modellingLecture 5 - Thermofluid and electromagnetic analysisLecture 6 - Solid-state deformation and residual stress - 1Lecture 7 - Solid-state deformation and residual stress - 2Lecture 8 - Meltiing, solidification and additive manufacturingLecture 9 - Force and velocity diagram - 1Lecture 10 - Force and velocity diagram - 2Lecture 11 - Heat transfer analysisLecture 12 - Principal and mechanism at different processes - 1Lecture 13 - Principal and mechanism at different processes - 2Lecture 14 - Mechanics of bulk metal formingLecture 15 - Mechanics of sheet metal forming - 1Lecture 16 - Mechanics of sheet metal forming - 2Lecture 17 - Heat transfer and thermomechanical processingLecture 18 - Fusion welding processes - 1Lecture 19 - Fusion welding processes - 2Lecture 20 - Physics of welding and metal transferLecture 21 - Heat source model in fusion weldingLecture 22 - Heat transfer and material flowLecture 23 - Solidification in welding - 1Lecture 24 - Solidification in welding - 2Lecture 25 - Solid state welding - 1Lecture 26 - Solid state welding - 2Lecture 27 - Hybrid welding, residual stress and distortionLecture 28 - Cooling and solidification at different casting processesLecture 29 - Powder metallurgy



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Lecture 30 - Principle of surface and coating technologiesLecture 31 - Principle and development of additive manufacturing technologies - 1Lecture 32 - Principle and development of additive manufacturing technologies - 2Lecture 33 - Fundamentals of heat treatmentLecture 34 - Evaluation of microstructural properties and residual stressLecture 35 - Down-scaling of conventional manufacturing processes and Micro-to-nano manufacturingLecture 36 - Packaging, micro-finishing and micro-manufacturing processesLecture 37 - Processing and shaping of non-metals and bio-materialsLecture 38 - Principle of glass and ceramics processing and their shaping



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NPTEL Video Course - Mechanical Engineering - NOC:Two-Phase flow with phase change in Conventional and Miniature Channels

Subject Co-ordinator - Prof. Manmohan Pandey



Lecture 1 - Introduction and NotationLecture 2 - Flow Regimes and Flow Regime MapsLecture 3 - The Homogeneous ModelLecture 4 - The Separated Flow ModelLecture 5 - The Separated Flow Model (Continued...)Lecture 6 - The Drift Flux ModelLecture 7 - Estimation of pressure drop in two phase flowLecture 8 - Two phase flow and pressure drop in miniature channels



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NPTEL Video Course - Mechanical Engineering - NOC:Applied Thermodynamics for Engineers




Lecture 1 - Overview of thermodynamic system and stateLecture 2 - First and second laws of thermodynamicsLecture 3 - Concept of entropy and entropy generationLecture 4 - Concept of exergy and exergy destructionLecture 5 - Thermodynamic potentials and Maxwell relationsLecture 6 - Generalized relations for entropy and specific heatsLecture 7 - Joule-Thomson coefficient and Clapeyron equationLecture 8 - Liquid-vapor phase-change processLecture 9 - Use of property tablesLecture 10 - Equations-of-state and Compressibility factorLecture 11 - Ideal cycles for reciprocating enginesLecture 12 - Otto, Diesel and Dual combustion cyclesLecture 13 - Stirling and Ericsson cyclesLecture 14 - Fuel-air cycleLecture 15 - Numerical exercise on Fuel-air cyclesLecture 16 - Losses in actual cycle and valve-timing diagramLecture 17 - Ideal Brayton cycleLecture 18 - Intercooling and reheating in Brayton cycleLecture 19 - Regeneration in Brayton cycleLecture 20 - Ideal Rankine cycleLecture 21 - Improvements and modifications in Rankine cycleLecture 22 - Regenerative Rankine cycleLecture 23 - Binary vapor power cycleLecture 24 - Combined gas-steam power plantLecture 25 - Different arrangments in combined cyclesLecture 26 - Vapor compression refrigeration cycleLecture 27 - SSS cycles and refrigerantsLecture 28 - Modifications in VCR systemsLecture 29 - Vapor absorption refrigeration cycle



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Lecture 30 - P-v-T behavior of gas mixturesLecture 31 - Numerical examplesLecture 32 - Properties of moist airLecture 33 - Psychrometric chart and various psychrometric processesLecture 34 - Sensible heat factor and bypass factorLecture 35 - Theoretical and actual combustion processLecture 36 - Thermodynamic analyses of reacting systems



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NPTEL Video Course - Mechanical Engineering - NOC:Fundamentals of Conduction and Radiation




Lecture 1 - Relationship of Thermodynamics with Heat transferLecture 2 - Modes of heat transferLecture 3 - Fourier's law and thermal conductivityLecture 4 - Generalized heat diffusion equationLecture 5 - Heat diffusion equation in curvilinear coordinatesLecture 6 - Concept of thermal resistanceLecture 7 - Use of network of resistances in wall and cylinderLecture 8 - Critical thickness of insulationLecture 9 - Conduction with energy generation - ILecture 10 - Conduction with energy generation - IILecture 11 - General Heat Transfer AnalysisLecture 12 - Fins with uniform cross-section area - ILecture 13 - Fins with uniform cross-section area - IILecture 14 - Fins with non-uniform cross-section areaLecture 15 - Method of Separation of VariablesLecture 16 - Graphical approachLecture 17 - Method of SuperpositionLecture 18 - Lumped capacitance approach - ILecture 19 - Lumped capacitance approach - IILecture 20 - Semi-infinite SolidLecture 21 - Steady Heat ConductionLecture 22 - Unsteady Heat ConductionLecture 23 - Problem solving using Energy Balance MethodLecture 24 - Introduction to radiative heat fluxesLecture 25 - Spectral and directional definitionsLecture 26 - Blackbody radiationLecture 27 - EmissivityLecture 28 - Irradiation of real surfacesLecture 29 - View factor



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Lecture 30 - Blackbody radiation exchangeLecture 31 - Radiation networksLecture 32 - Gas radiationLecture 33 - Radiative Transfer Equation



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NPTEL Video Course - Mechanical Engineering - NOC:Steam Power Engineering

Subject Co-ordinator - Dr. Vinayak Kulkarni



Lecture 1 - Review of thermodynamicsLecture 2 - Rankine cycleLecture 3 - Performance estimation of steam power cyclesLecture 4 - Carnot cycle examplesLecture 5 - Rankine cycle with superheatLecture 6 - Rankine cycle with reheat theory and exampleLecture 7 - Examples of Rankine cycleLecture 8 - Examples of reheat Rankine cycleLecture 9 - Rankine cycle with regenerationLecture 10 - Feedwater heatersLecture 11 - Cogeneration of power and process heatLecture 12 - Examples of regenerationLecture 13 - Examples of regenerative Rankine cycleLecture 14 - Binary/multi-fluid cyclesLecture 15 - Low temperature power cyclesLecture 16 - Examples of binary cyclesLecture 17 - Types of boilersLecture 18 - Boiler accessoriesLecture 19 - Practice examplesLecture 20 - Stagnation conditions and Nozzle flowLecture 21 - Nozzle flowLecture 22 - Examples of NozzleLecture 23 - Impulse Turbine - 1Lecture 24 - Impulse Turbine - 2Lecture 25 - Examples on Impulse TurbineLecture 26 - Reaction TurbineLecture 27 - Reheat FactorLecture 28 - Examples on Turbine - 1Lecture 29 - Examples on Turbine - 2



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Lecture 30 - Gas MixtureLecture 31 - Psychrometry - 1Lecture 32 - Psychrometry - 2Lecture 33 - Condensers



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NPTEL Video Course - Mechanical Engineering - NOC:Dynamic Behaviour of Materials

Subject Co-ordinator - Prof. Prasenjit Khanikar



Lecture 1 - Introduction to Dynamic Behaviour of Materials - ILecture 2 - Introduction to Dynamic Behaviour of Materials - IILecture 3 - Introduction to WavesLecture 4 - Quasi-static vs Dynamic DeformationLecture 5 - Elastic Wave and its ClassificationLecture 6 - Propagation of Elastic Waves in ContinuumLecture 7 - Wave Reflection, Refraction and InteractionLecture 8 - General Solution of Elastic Wave EquationLecture 9 - Additional Considerations of Elastic Wave in Cylindrical BarLecture 10 - Introduction to Plastic WavesLecture 11 - Plastic Waves of Uniaxial StressLecture 12 - Plastic Waves of Combined StressLecture 13 - Taylor's Experiment for Plastic Wave Propagation - 1Lecture 14 - Taylor's Experiment for Plastic Wave Propagation - 2Lecture 15 - Taylor's ExperimentLecture 16 - Introduction to Shock Waves - ILecture 17 - Introduction to Shock Waves - IILecture 18 - Shock WaveLecture 19 - Rankine Hugonoit Treatment and Shock Wave under ImpactLecture 20 - Shock Wave under ImpactLecture 21 - Equations of States (Shock Waves)Lecture 22 - Equations of States (Shock Waves)Lecture 23 - Complex Problems of Shock Waves and Temperature Rise under Shock WaveLecture 24 - Shock Wave Attenuation, Interaction and Reflection - ILecture 25 - Shock Wave Attenuation, Interaction and Reflection - IILecture 26 - Shock Wave Interaction and ReflectionLecture 27 - Fundamentals of Materials Science and EngineeringLecture 28 - Shock Wave Induced Phase Transformations - 1Lecture 29 - Shock Wave Induced Phase Transformations - 2



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Lecture 30 - Shock Wave Induced Phase Transformations - 3Lecture 31 - Shock Wave Induced Phase Transformations - 4Lecture 32 - Experimental Techniques for Dynamic Deformation - 1Lecture 33 - Experimental Techniques for Dynamic Deformation - 2Lecture 34 - Plastic Deformation at High Strain Rates - 1Lecture 35 - Plastic Deformation at High Strain Rates - 2Lecture 36 - Plastic Deformation at High Strain Rates - 3Lecture 37 - Plastic Deformation at High Strain Rates - 4Lecture 38 - Plastic Deformation at High Strain Rates - 5Lecture 39 - Plastic Deformation Under Shock Waves - 1Lecture 40 - Plastic Deformation Under Shock Waves - 2Lecture 41 - Plastic Deformation Under Shock Waves - 3Lecture 42 - Shear Band - 1Lecture 43 - Shear Band - 2Lecture 44 - Dynamic Fracture - 1Lecture 45 - Dynamic Fracture - 2



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NPTEL Video Course - Mechanical Engineering - NOC:Plastic Working of Metallic Materials

Subject Co-ordinator - Prof. P.S. Robi



Lecture 1 - Introduction to Plastic Working of MetalsLecture 2 - Uniaxial Tension Test AnalysisLecture 3 - Temperature effects in metal formingLecture 4 - Friction and LubricationLecture 5 - Friction and Lubrication (Continued...)Lecture 6 - Deformation zone + worked examplesLecture 7 - Stresses at point and Theory of PlasticityLecture 8 - Slab AnalysisLecture 9 - Slip Line Field Theory - Part 1Lecture 10 - Slip Line Field Theory - Part 2Lecture 11 - Upper Bound TheoremLecture 12 - Plasticity equationsLecture 13 - ForgingLecture 14 - Analysis of ForgingLecture 15 - Analysis of Forging (Continued...)Lecture 16 - Forging Die Design considerationLecture 17 - Forging LoadLecture 18 - Rolling of MetalsLecture 19 - Analysis of RollingLecture 20 - Analysis of Rolling (Continued...)Lecture 21 - Strain rate in the deformation zoneLecture 22 - Rolling millsLecture 23 - Prblem on rollingLecture 24 - Drawing of Rods, Wires and TubesLecture 25 - Drawing of Rods, Wires and Tubes (Continued...)Lecture 26 - Analysis of Wire DrawingLecture 27 - Wire DrawingLecture 28 - Extrusion ProcessLecture 29 - Analysis of Extrusion



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Lecture 30 - IntroductionLecture 31 - Sheet deformation processLecture 32 - Deformation of sheet in plane stressLecture 33 - Analysis of stampingLecture 34 - Instability in sheet metal formingLecture 35 - Deep drawingLecture 36 - Hydroforming



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NPTEL Video Course - Mechanical Engineering - NOC:Fundamentals of Artificial Intelligence

Subject Co-ordinator - Prof. Shyamanta M. Hazarika



Lecture 1 - Introduction to Artificial IntelligenceLecture 2 - Problem Solving as State Space SearchLecture 3 - Uninformed SearchLecture 4 - Heuristic SearchLecture 5 - Informed SearchLecture 6 - Constraint Satisfaction ProblemsLecture 7 - Searching AND/OR GraphsLecture 8 - Game PlayingLecture 9 - Minimax + Alpha-BetaLecture 10 - Introduction to Knowledge RepresentationLecture 11 - Propositional LogicLecture 12 - First Order Logic - ILecture 13 - First Order Logic - IILecture 14 - Inference in First Order Logic - ILecture 15 - Inference in First Order Logic - IILecture 16 - Answer ExtractionLecture 17 - Procedural Control of ReasoningLecture 18 - Reasoning under UncertaintyLecture 19 - Bayesian NetworkLecture 20 - Decision NetworkLecture 21 - Introduction to PlanningLecture 22 - Plan Space PlanningLecture 23 - Planning Graph and GraphPlanLecture 24 - Practical Planning and ActingLecture 25 - Sequential Decision ProblemsLecture 26 - Making Complex DecisionsLecture 27 - Introduction to Machine LearningLecture 28 - Learning Decision TreesLecture 29 - Linear Regression



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Lecture 30 - Support Vector MachinesLecture 31 - Unsupervised LearningLecture 32 - Reinforcement LearningLecture 33 - Learning in Neural NetworksLecture 34 - Deep Learning



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NPTEL Video Course - Mechanical Engineering - NOC:Aircraft Propulsion

Subject Co-ordinator - Dr. Vinayak Kulkarni



Lecture 1 - Overview of Basic ThermodynamicsLecture 2 - Solved Examples for Flow processLecture 3 - TurbomachinesLecture 4 - Components of Gas Turbine Power Plant, Gas Turbine AttachmentsLecture 5 - Introduction to Various Aircraft engines, Engine Performance parametersLecture 6 - Air Standard Ideal Brayton CycleLecture 7 - Examples for Ideal Brayton CycleLecture 8 - Non-Ideal Brayton CycleLecture 9 - Examples for Non-Ideal Brayton CycleLecture 10 - Brayton Cycle with Heat Exchanger / Re-heaterLecture 11 - Brayton Cycle with Intercooler / All AttachmentsLecture 12 - Examples of Gas Turbine AttachmentLecture 13 - Examples of Gas Turbine AttachmentLecture 14 - Stagnation Conditions, Real Brayton Cycle with Stagnation ConditionsLecture 15 - Polytropic Efficiency of Compressor and TurbineLecture 16 - Examples of Real CycleLecture 17 - Nozzle FlowLecture 18 - Aircraft Engine Intake, Intake EfficiencyLecture 19 - Propelling Nozzle, Nozzle EfficiencyLecture 20 - Turbojet engineLecture 21 - Turbofan engineLecture 22 - Ramjet engineLecture 23 - Examples of Ramjet EngineLecture 24 - Thrust Augmentation and Engine performance parameters for AircraftsLecture 25 - Introduction to TurbomachinaryLecture 26 - Centrifugal CompressorLecture 27 - Centrifugal CompressorLecture 28 - Examples of Centrifugal compressorLecture 29 - Axial Flow Compressor



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Lecture 30 - Axial Flow CompressorLecture 31 - Examples of Axial Flow CompressorLecture 32 - Examples of Axial Flow CompressorLecture 33 - Examples of Axial Flow CompressorLecture 34 - Axial TurbineLecture 35 - Radial TurbineLecture 36 - Examples of Axial TurbineLecture 37 - Practice examples of Axial Turbine and cetrifugal compressorLecture 38 - Cascade theory and Blade designLecture 39 - Cascade variables and Turbine CascadeLecture 40 - Velocity diagrams of Turbine Cascade, Compressor cascadeLecture 41 - Turbine cooling methodsLecture 42 - Practice examples of aircraft engine



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NPTEL Video Course - Mechanical Engineering - Acoustics

Subject Co-ordinator - Prof. Nachiketa Tiwari

Co-ordinating Institute - IIT - Kanpur


Lecture 1 - Intro, sound wave versus vibration, different types of waves, octave, music scales, sense of SPLLecture 2 - ReviewLecture 3 - ReviewLecture 4 - ReviewLecture 5 - 1-D wave equation, and its solutionLecture 6 - Solution for 1-D wave equationLecture 7 - Waveguides, transmission line equations, and standing wavesLecture 8 - Waveguides, transmission line equations, and standing wavesLecture 9 - Examples of 1-D waves in tubes, short tubes, Kundt's tubeLecture 10 - Thermodynamic processes during sound transmissionLecture 11 - Numerical examplesLecture 12 - Sound transmission through wallsLecture 13 - Sound transmission through wallsLecture 14 - Leakage in walls, STC Ratings, Octave bandsLecture 15 - Instantaneous power flowLecture 16 - Radial propagation of sound, monopoles, and dipolesLecture 17 - Radial propagation of sound, monopoles, and dipolesLecture 18 - Radial propagation of sound, monopoles, and dipolesLecture 19 - Numerical examplesLecture 20 - Numerical examplesLecture 21 - DirectivityLecture 22 - DirectivityLecture 23 - DirectivityLecture 24 - DirectivityLecture 25 - Generalized elementsLecture 26 - Examples of electromechanical systemsLecture 27 - Transformers, radiation impedance, and Helmholtz resonatorLecture 28 - Radiation impedanceLecture 29 - Radiation impedance



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Lecture 30 - Models of electro-mechanical-acoustic systemsLecture 31 - Solution for a loudspeaker modelLecture 32 - MicrophonesLecture 33 - Vibro-meter, seismometer, accelerometer, shaker tableLecture 34 - Sound propagation in rooms, 1-D rooms, 2D roomsLecture 35 - Sound in 3-D roomsLecture 36 - Absorption coefficient, and irregular roomsLecture 37 - Room constant, and Sabine's coefficientLecture 38 - Design of a mufflerLecture 39 - Noise in machines, basics of noise management



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NPTEL Video Course - Mechanical Engineering - Advanced Machining Processes

Subject Co-ordinator - Prof. Vijay K. Jain



Lecture 1 - Advanced Machining ProcessesLecture 2 - Advanced Machining ProcessesLecture 3 - Advanced Machining ProcessesLecture 4 - Advanced Machining ProcessesLecture 5 - Advanced Machining ProcessesLecture 6 - Advanced Machining ProcessesLecture 7 - Advanced Machining ProcessesLecture 8 - Advanced Machining ProcessesLecture 9 - Advanced Machining ProcessesLecture 10 - Advanced Machining ProcessesLecture 11 - Advanced Machining ProcessesLecture 12 - Advanced Machining ProcessesLecture 13 - Advanced Machining ProcessesLecture 14 - Advanced Machining ProcessesLecture 15 - Advanced Machining ProcessesLecture 16 - Advanced Machining ProcessesLecture 17 - Advanced Machining ProcessesLecture 18 - Advanced Machining ProcessesLecture 19 - Advanced Machining ProcessesLecture 20 - Advanced Machining ProcessesLecture 21 - Advanced Machining ProcessesLecture 22 - Advanced Machining ProcessesLecture 23 - Advanced Machining ProcessesLecture 24 - Advanced Machining ProcessesLecture 25 - Advanced Machining ProcessesLecture 26 - Advanced Machining ProcessesLecture 27 - Advanced Machining ProcessesLecture 28 - Advanced Machining ProcessesLecture 29 - Advanced Machining Processes



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Lecture 30 - Advanced Machining ProcessesLecture 31 - Advanced Machining ProcessesLecture 32 - Advanced Machining ProcessesLecture 33 - Advanced Machining ProcessesLecture 34 - Advanced Machining Processes



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NPTEL Video Course - Mechanical Engineering - Biomicroelectromechanical systems

Subject Co-ordinator - Dr. Shantanu Bhattacharya



Lecture 1Lecture 2Lecture 3Lecture 4Lecture 5Lecture 6Lecture 7Lecture 8Lecture 9Lecture 10 (same as 9)Lecture 11Lecture 12 (Lecture Missing)Lecture 13Lecture 14Lecture 15Lecture 16Lecture 17Lecture 18Lecture 19Lecture 20Lecture 21Lecture 22Lecture 23Lecture 24Lecture 25Lecture 26Lecture 27Lecture 28Lecture 29



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Lecture 30Lecture 31Lecture 32Lecture 33Lecture 34Lecture 35Lecture 36Lecture 37Lecture 38Lecture 39Lecture 40



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NPTEL Video Course - Mechanical Engineering - Computer Aided Engineering Design

Subject Co-ordinator - Dr. Anupam Saxena



Lecture 1Lecture 2Lecture 3Lecture 4Lecture 5Lecture 6Lecture 7Lecture 8Lecture 9Lecture 10Lecture 11Lecture 12Lecture 13Lecture 14Lecture 15Lecture 16Lecture 17Lecture 18Lecture 19Lecture 20Lecture 21Lecture 22Lecture 23Lecture 24Lecture 25Lecture 26Lecture 27Lecture 28Lecture 29



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Lecture 30Lecture 31Lecture 32Lecture 33Lecture 34Lecture 35Lecture 36Lecture 37Lecture 38Lecture 39Lecture 40



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NPTEL Video Course - Mechanical Engineering - Mathematical Methods in Engineering and Science

Subject Co-ordinator - Dr. Bhaskar Dasgupta



Lecture 1 - IntroductionLecture 2 - Basic Ideas of Applied Linear AlgebraLecture 3 - Systems of Linear EquationsLecture 4 - Square Non-Singular SystemsLecture 5 - Ill-Conditioned and Ill-Posed SystemsLecture 6 - The Algebraic Eigenvalue ProblemLecture 7 - Canonical Forms, Symmetric MatricesLecture 8 - Methods of Plane RotationsLecture 9 - Householder Method, Tridiagonal MatricesLecture 10 - QR Decomposition, General MatricesLecture 11 - Singular Value DecompositionLecture 12 - Vector SpaceLecture 13 - Multivariate CalculusLecture 14 - Vector Calculus in GeometryLecture 15 - Vector Calculus in PhysicsLecture 16 - Solution of EquationsLecture 17 - Introdcution to OptimizationLecture 18 - Multivariate OptimizationLecture 19 - Constrained OptimizationLecture 20 - Constrained OptimizationLecture 21 - InterpolationLecture 22 - Numerical IntegrationLecture 23 - Numerical Solution of ODE's as IVPLecture 24 - Boundary Value Problems, Question of Stability in IVP SolutionLecture 25 - Stiff Differential Equations, Existence and Uniqueness TheoryLecture 26 - Theory of First Order ODE'sLecture 27 - Linear Second Order ODE'sLecture 28 - Methods of Linear ODE'sLecture 29 - ODE Systems



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Lecture 30 - Stability of Dynamic SystemsLecture 31 - Series Solutions and Special FunctionsLecture 32 - Sturm-Liouville TheoryLecture 33 - Approximation Theory and Fourier SeriesLecture 34 - Fourier Integral to Fourier Transform, Minimax ApproximationLecture 35 - Separation of Variables in PDE's, Hyperbolic EquationsLecture 36 - Parabolic and Elliptic Equations, Membrane EquationLecture 37 - Analytic FunctionsLecture 38 - Integration of Complex FunctionsLecture 39 - Singularities and ResiduesLecture 40 - Calculus of Variations



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NPTEL Video Course - Mechanical Engineering - Dynamics of Machines

Subject Co-ordinator - Prof. Amitabha Ghosh



Lecture 1 - Rigid Body Motion - Part 1Lecture 2 - Rigid Body Motion - Part 2Lecture 3 - Dynamic Force Analysis of MechanismsLecture 4 - Space Motion of Rigid BodiesLecture 5 - Inertia Tensor Angular MomentumLecture 6 - Euler's Equation of MotionLecture 7 - Gyroscopic Action in MachinesLecture 8 - Unbalance in MachinesLecture 9 - Rotary BalancingLecture 10 - Balancing MachinesLecture 11 - Field Balancing of RotorsLecture 12 - Single-Cylinder Engine BalancingLecture 13 - Balancing of Single Slider MachinesLecture 14 - In-Line Engine BalancingLecture 15 - V and Radial Engine BalancingLecture 16 - Turning Moment DiagramLecture 17 - Flywheel AnalysisLecture 18 - Dynamics of MachinesLecture 19 - Dynamics of MachinesLecture 20 - Dynamics of MachinesLecture 21 - Dynamics of MachinesLecture 22 - Dynamics of MachinesLecture 23 - Dynamics of MachinesLecture 24 - Dynamics of MachinesLecture 25 - Dynamics of MachinesLecture 26 - Dynamics of MachinesLecture 27 - Dynamics of MachinesLecture 28 - Dynamics of MachinesLecture 29 - Rotating Vector Approach



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Lecture 30 - Equivalent viscous dampingLecture 31 - Dynamics of MachinesLecture 32 - Systems with two degree of freedomLecture 33 - Tuned Vibration AbsorberLecture 34 - Design of Vibration AbsorbersLecture 35 - Flexibility Matrix Influence CoeffLecture 36 - Forced Vibration of multipleLecture 37 - Forced Vibration of Multiple degreesLecture 38 - Vibration of Continuous SystemsLecture 39 - Vibration of Continuous SystemsLecture 40 - Vibration of BeamsLecture 41 - Rayleigh's methodLecture 42 - Rayleigh-Ritz MethodLecture 43 - Vibration MeasurementLecture 44 - Vibration Measurement Types of Pickups



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NPTEL Video Course - Mechanical Engineering - Finite Element Method

Subject Co-ordinator - Prof. C.S. Upadhyay



Module 1 - Lecture 1Module 1 - Lecture 2Module 1 - Lecture 3Module 2 - Lecture 1Module 2 - Lecture 2Module 2 - Lecture 3Module 2 - Lecture 4Module 3 - Lecture 1Module 3 - Lecture 2Module 3 - Lecture 3Module 4 - Lecture 1Module 4 - Lecture 2Module 4 - Lecture 3Module 5 - Lecture 1Module 5 - Lecture 2Module 5 - Lecture 3Module 6 - Lecture 1Module 6 - Lecture 2Module 6 - Lecture 3Module 7 - Lecture 1Module 7 - Lecture 2Module 7 - Lecture 3Module 7 - Lecture 4Module 8 - Lecture 1Module 8 - Lecture 2Module 8 - Lecture 3Module 9 - Lecture 1Module 9 - Lecture 2Module 9 - Lecture 3



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Module 10 - Lecture 1Module 10 - Lecture 2Module 11 - Lecture 1Module 11 - Lecture 2Module 12 - Lecture 1Module 13 - Lecture 1Module 13 - Lecture 2Module 14 - Lecture 1Module 14 - Lecture 2



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NPTEL Video Course - Mechanical Engineering - Kinematics of Machines

Subject Co-ordinator - Prof. Ashok K Mallik



Module 1 - Lecture 1Module 1 - Lecture 2Module 1 - Lecture 3Module 2 - Lecture 1Module 2 - Lecture 2Module 2 - Lecture 3Module 3 - Lecture 1Module 3 - Lecture 2Module 3 - Lecture 3Module 3 - Lecture 4Module 4 - Lecture 1Module 4 - Lecture 2Module 5 - Lecture 1Module 5 - Lecture 2Module 5 - Lecture 3Module 6 - Lecture 1Module 6 - Lecture 2Module 6 - Lecture 3Module 7 - Lecture 1Module 7 - Lecture 2Module 7 - Lecture 3Module 8 - Lecture 1Module 8 - Lecture 2Module 9 - Lecture 1Module 9 - Lecture 2Module 9 - Lecture 3Module 9 - Lecture 4Module 10 - Lecture 1Module 10 - Lecture 2



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Module 10 - Lecture 3Module 11 - Lecture 1Module 11 - Lecture 2Module 11 - Lecture 3Module 12 - Lecture 1Module 12 - Lecture 2Module 12 - Lecture 3Module 13 - Lecture 1Module 13 - Lecture 2Module 13 - Lecture 3



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NPTEL Video Course - Mechanical Engineering - Advanced manufacturing process for micro sytem fabrication




Lab session 1 - Advanced manufacturing process for micro sytem fabricationLab session 2 - EDM Micro MacheningLab session 3 - EDM Micro DrillingLab session 4 - Laser Machening ProcessLab session 5 - Vaccume Assisted FormingLab session 6 - Vaccume FormingLab session 7 - PhotolithiographyLab session 8 - Replication part 1Lab session 9 - Replication part 2Lab session 10 - PCB MakingLecture 1Lecture 2Lecture 3Lecture 4Lecture 5Lecture 6Lecture 7Lecture 8Lecture 9Lecture 10Lecture 11Lecture 12Lecture 13Lecture 14Lecture 15Lecture 16Lecture 17Lecture 18Lecture 19



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Lecture 20Lecture 21Lecture 22Lecture 23Lecture 24Lecture 25Lecture 26Lecture 27Lecture 28



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NPTEL Video Course - Mechanical Engineering - Engineering Drawing (Dr. Anupam Saxena)

Subject Co-ordinator - Dr. Anupam Saxena



Lab Session 1Lab Session 2Lab Session 3Lab Session 4Lab Session 5Lab Session 6Lab Session 7Lab Session 8Lab Session 9Lab Session 10Lab Session 11Lab Session 12Lecture 1 - Technical Arts 101Lecture 2 - Technical Arts 101Lecture 3 - Technical Arts 101Lecture 4 - Technical Arts 101Lecture 5 - Technical Arts 101Lecture 6 - Technical Arts 101Lecture 7 - Technical Arts 101Lecture 8 - Technical Arts 101Lecture 9 - Technical Arts 101Lecture 10 - Technical Arts 101Lecture 11 - Technical Arts 101Lecture 12 - Technical Arts 101Lecture 13 - Technical Arts 101Lecture 14 - Technical Arts 101Lecture 15 - Technical Arts 101Lecture 16 - Technical Arts 101Lecture 17 - Technical Arts 101



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Lecture 18 - Technical Arts 101Lecture 19 - Technical Arts 101Lecture 20 - Technical Arts 101Lecture 21 - Technical Arts 101Lecture 22 - Technical Arts 101Lecture 23 - Technical Arts 101Lecture 24 - Technical Arts 101Lecture 25 - Technical Arts 101Lecture 26 - Technical Arts 101Lecture 27 - Technical Arts 101Lecture 28 - Technical Arts 101



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NPTEL Video Course - Mechanical Engineering - NOC:BioMEMS and Microsystems




Lecture 1 - Lecture 1Lecture 2 - Lecture 2Lecture 3 - Lecture 3Lecture 4 - Review Lecture 1,2,3Lecture 5 - Lecture 4Lecture 6 - Lecture 5Lecture 7 - Lecture 6Lecture 8 - Review Lecture 4,5,6Lecture 9 - Lecture 7Lecture 10 - Lecture 8Lecture 11 - Lecture 9-10Lecture 12 - Lecture-11Lecture 13 - Lecture-12Lecture 14 - Lecture-13Lecture 15 - Lecture-14Lecture 16 - Lecture-15Lecture 17 - Lecture-16Lecture 18 - Lecture-17Lecture 19 - Lecture-18Lecture 20 - Lecture-19Lecture 21 - Review Lecture 7 to 10Lecture 22 - Review Lecture 11 to 13Lecture 23 - Review Lecture 14 to 16Lecture 24 - Lecture-20Lecture 25 - Lecture-21Lecture 26 - Lecture-22Lecture 27 - Lecture-23Lecture 28 - Lecture-24Lecture 29 - Lecture-25



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Lecture 30 - Review Lecture 17,18,19Lecture 31 - Review Lecture 20,21,22Lecture 32 - Lecture-26Lecture 33 - Lecture-27Lecture 34 - Lecture-28Lecture 35 - Lecture-29Lecture 36 - Lecture-30Lecture 37 - Lecture-31Lecture 38 - Lecture-32Lecture 39 - Lecture-33Lecture 40 - Review lecture 23,24,25Lecture 41 - Review lecture 26,27,28Lecture 42 - Review lecture 29 to 33



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NPTEL Video Course - Mechanical Engineering - NOC:Manufacturing Systems Technology







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Lecture 30Lecture 31Lecture 32Lecture 33Lecture 34Lecture 35Lecture 36Lecture 37Lecture 38Lecture 39Lecture 40Lecture 41Lecture 42Lecture 43Lecture 44Lecture 45Lecture 46Lecture 47Lecture 48



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NPTEL Video Course - Mechanical Engineering - NOC:Manufacturing Systems Technology - Part II




Lecture 1 - Quality systems engineeringLecture 2 - Quality systems engineeringLecture 3 - Quality systems engineeringLecture 4 - Quality systems engineeringLecture 5 - Quality systems engineeringLecture 6 - Quality systems engineeringLecture 7 - Cost of quality and statistical quality controlLecture 8 - Cost of quality and statistical quality controlLecture 9 - Cost of quality and statistical quality controlLecture 10 - Cost of quality and statistical quality controlLecture 11 - Cost of quality and statistical quality controlLecture 12 - Cost of quality and statistical quality controlLecture 13 - Cost of quality and statistical quality controlLecture 14 - Cost of quality and statistical quality controlLecture 15 - Cost of quality and statistical quality controlLecture 16 - Cost of quality and statistical quality controlLecture 17 - Cost of quality and statistical quality controlLecture 18 - Cost of quality and statistical quality controlLecture 19 - Robotic systems planning and designingLecture 20 - Robotic systems planning and designingLecture 21 - Robotic systems planning and designingLecture 22 - Robotic systems planning and designingLecture 23 - Robotic systems planning and designingLecture 24 - Robotic systems planning and designingLecture 25 & 26 - Robotic systems planning and designingLecture 27 - Robotic systems planning and designingLecture 28 - Robotic systems planning and designingLecture 29 - Robotic systems planning and designingLecture 30 - Robotic systems planning and designing



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NPTEL Video Course - Mechanical Engineering - NOC:Basics of Finite Element Analysis




Lecture 1 - Introduction to Finite Element Analysis(FEA)Lecture 2 - Introduction of FEA, Nodes, Elements and Shape FunctionsLecture 3 - Nodes, Elements and Shape FunctionsLecture 4 - Polynomials as Shape Functions, Weighted Residuals, Elements and Assembly Level EquationsLecture 5 - Types of Errors in FEA, Overall FEA Process and ConvergenceLecture 6 - Strengths of FE Method, Continuity conditions at InterfacesLecture 7 - Key concepts and terminologiesLecture 8 - Weighted integral statementsLecture 9 - Integration by parts - ReviewLecture 10 - Gradient and Divergence Theorems-Part - ILecture 11 - Gradient and Divergence Theorems Part - IILecture 12 - FunctionalsLecture 13 - Variational OperatorLecture 14 - Weighted Integral and Weak FormulationLecture 15 - Weak FormulationLecture 16 - Weak Formulation and Weighted IntegralLecture 17 - Variational MethodsLecture 18 - Rayleigh Ritz MethodLecture 19 - Method of Weighted ResidualsLecture 20 - Different types of Weighted Residual Methods - Part ILecture 21 - Different types of Weighted Residual Methods - Part IILecture 22 - FEA formulation for 2nd order BVP - Part ILecture 23 - FEA formulation for 2nd order BVP - Part IILecture 24 - Element Level EquationsLecture 25 - 2nd Order Boundary Value ProblemLecture 26 - Assembly of element equationsLecture 27 - Assembly of element equations and implementation of boundary conditionsLecture 28 - Assembly process and the connectivity matrixLecture 29 - Radially Symmetric Problems



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Lecture 30 - One dimensional heat transferLecture 31 - 1D-Heat conduction with convective effectsLecture 32 - Euler-Bernoulli beamLecture 33 - Interpolation functions for Euler-Bernoulli beamLecture 34 - Finite element equations for Euler-Bernoulli beamLecture 35 - Assembly equations for Euler-Bernoulli beamLecture 36 - Boundary conditions for Euler-Bernoulli beamLecture 37 - Shear deformable beamsLecture 38 - Finite element formulation for shear deformable beamsLecture 39 - Finite element formulation for shear deformable beamsLecture 40 - Equal interpolation but reduced integration elementLecture 41 - Eigenvalue problemsLecture 42 - Eigenvalue problemsLecture 43 - Introduction to time dependent problemsLecture 44 - Spatial approximationLecture 45 - Temporal approximation for parabolic problemsLecture 46 - Temporal approximation for parabolic problemsLecture 47 - Temporal approximation for hyperbolic problemsLecture 48 - Explicit and implicit method, diagonalization of mass matrix, closure



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NPTEL Video Course - Mechanical Engineering - NOC:Basics of Noise and Its Measurements




Lecture 1 - IntroductionLecture 2 - Vibration versus WavesLecture 3 - Nature of SoundLecture 4 - The Decibel ScaleLecture 5 - Some Key TermsLecture 6 - Adding DecibelsLecture 7 - Modeling Sound PropagationLecture 8 - The Momentum EquationLecture 9 - The Continuity Equation and The Gas LawLecture 10 - 1-D Wave EquationLecture 11 - General Solution for 1-D Wave EquationLecture 12 - Complex Time Signal and Transfer FunctionsLecture 13 - Transmission line equationsLecture 14 - Planar Waves in Closed TubesLecture 15 - Planar Waves in 1-D Open TubesLecture 16 - A Semi-Infinite Tube and Overall SummaryLecture 17 - 1-D Tubes with Imperfect TerminationsLecture 18 - Measuring Impedance Through KundtÂ�s ApparatusLecture 19 - Classification of MicrophonesLecture 20 - Classification of Microphones - ContinuationLecture 21 - Classification of Microphones by ApplicationLecture 22 - Microphone SensitivityLecture 23 - Microphone Sensitivity- ContinuationLecture 24 - Selecting the Right MicrophoneLecture 25 - Fourier Series ExpansionLecture 26 - Fourier Series Expansion - ContinuationLecture 27 - Fourier IntegralLecture 28 - Fourier Integral - ContinuationLecture 29 - Fourier Transform



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Lecture 30 - Fourier Transform - ContinuationLecture 31 - Discrete Fourier Transform (DFT)Lecture 32 - Discrete Fourier Transform (DFT) - ContinuationLecture 33 - DFT - Calculating Frequencies and PaddingLecture 34 - DFT - Influence of Duration and Sampling frequency on resolutionLecture 35 - FFT and Inverse FFTLecture 36 - Considerations while deciding instrumentationLecture 37 - Considerations while selecting instruments for noise measurementsLecture 38 - Measuring impedance through two microphone methodLecture 39 - Designing an impedance measurement tubeLecture 40 - Octave band analysisLecture 41 - Calculating results in octave bandsLecture 42 - WeightingLecture 43 - Short time Fourier transforms (STFT)Lecture 44 - SpectrogramsLecture 45 - Reverberation timeLecture 46 - Anechoic roomsLecture 47 - STC, NRC and sound attenuationLecture 48 - Reverberant rooms



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NPTEL Video Course - Mechanical Engineering - NOC:Manufacturing Process Technology - Part I




Lecture 1 - Introduction to Manufacturing Process TecnologyLecture 2 - Structure of Matter (Bonding of Solids,Crystal Structures)Lecture 3 - Brief introduction of non-conventional machining processesLecture 4 - Structure of matters (bonding of solids, crystal structures)Lecture 5 - Elastic and Plastic DeformationLecture 6 - Crystal imperfaction and dislocationLecture 7 - Plastic DeformationLecture 8 - Material Properties, Stress Strain Diagram for differnt types of materialsLecture 9 - Friction and Wear, Solid solutionsLecture 10 - Equilibrium Phase DiagramLecture 11 - Iron-carbon equilibrium phase diagramLecture 12 - Control of material properties (Alloying and heat treatment), Mechanical properties and RecrystallizationLecture 13 - Introduction To Casting ProcessLecture 14 - Pattern and Mold DesignLecture 15 - Mold Making ProceduresLecture 16 - Fundamentals of Melting and Furnaces & Pouring and Gating DesignLecture 17 - Vertical and Bottom Gating Systems Edit LessonLecture 18 - Numerical Estimation To Find Mold Filling Time and Mold DesignLecture 19 - Effects of friction and velocity distribution in time of fillingLecture 20 - Numerical design of gating systems using frictional and bending lossesLecture 21 - Principle of cooling and solidification in single and multiphase systemsLecture 22 - Estimation of rate of solidificationLecture 23 - Principles of cooling and solidification of castingLecture 24 - Modeling of Solidification Rates of Thin Casting in a Metal MoldLecture 25 - Solidification with Predominant Interface ResistanceLecture 26 - Solidification with Constant Casting Surface TemperatureLecture 27 - Solidification of Casting with Predominant Resistance in Mold and Solidified MetalLecture 28 - Solidification Time for Permanent Mold CastingLecture 29 - Solidification with Constant Casting Surface



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Lecture 30 - Riser Design and Placement - Part 1Lecture 31 - Riser Design and Placement - Part 2Lecture 32 - Riser Design and Placement - Part 3Lecture 33 - Introduction of Machining ProcessesLecture 34 - Review of Basic Machining Processes and the Mechanics of Chip FormationLecture 35 - Estimation of Cutting Ratio and Shear AngleLecture 36 - Merchant's Force AnalysisLecture 37 - Merchant Theory (Cutting Forces Analysis)Lecture 38 - Merchant Theory (Force analysis) Part-2Lecture 39 - Lee Shaffer's SolutionLecture 40 - Specific Energy Model for CuttingLecture 41 - Modeling of Heat Generation and Cutting Tool TemperatureLecture 42 - Temperature in Cutting and Builtup Edge FormationLecture 43 - Metal Cutting OperationLecture 44 - Tool life and Tool wearLecture 45 - Economics of MachiningLecture 46 - Joining ProcessLecture 47 - Principle of Solid State WeldingLecture 48 - Numerical Design of Welding Power Sources in Arc Welding



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NPTEL Video Course - Mechanical Engineering - NOC:Nature and Property of Materials

Subject Co-ordinator - Prof. Bishakh Bhattacharya



Lecture 1 - History and Evolution of MaterialsLecture 2 - Classification of MaterialsLecture 3 - Advanced and Exotic MaterialsLecture 4 - Mechanical Properties of Materials - ILecture 5 - Mechanical Properties of Materials - IILecture 6 - Mechanical Properties of Materials - IIILecture 7 - Bonding between atomsLecture 8 - The Role of Crystal Structure - ILecture 9 - The Role of Crystal Structure - IILecture 10 - The Role of Crystal Structure - IIILecture 11 - Metals - I (Ferrous alloys)Lecture 12 - Metals - II (Non-Ferrous alloys)Lecture 13 - Metals - III (Strengthening and Degradation)Lecture 14 - Ceramics - ILecture 15 - Ceramics - IILecture 16 - PolymersLecture 17 - Polymeric StructureLecture 18 - Effects of Glass transition temperatureLecture 19 - Polymer Mechanical propertiesLecture 20 - Composites - ILecture 21 - Composites - IILecture 22 - Composites - IIILecture 23 - Smart Materials - I (Introduction)Lecture 24 - Smart Materials - II (Piezoelectricity)Lecture 25 - Smart Materials - III (Magnetostriction)Lecture 26 - Smart Materials - IV (Smart Polymers)Lecture 27 - Smart Materials - V (SMA)Lecture 28 - Materials Selection in Engineering DesignLecture 29 - Numerical



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Lecture 30 - NumericalLecture 31 - NumericalLecture 32 - NumericalLecture 33 - Optical PropertiesLecture 34 - Optical FiberLecture 35 - Thermal PropertiesLecture 36 - NumericalLecture 37 - Electric Properties - ILecture 38 - Electric Properties - IILecture 39 - Magnetic PropertiesLecture 40 - Laboratory demonstration



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NPTEL Video Course - Mechanical Engineering - NOC:Manufacturing Process Technology - Part II




Lecture 1 - Introduction to Advanced Machining ProcessesLecture 2 - Classification of Machining ProcessesLecture 3 - Silicon growth and CrystallographyLecture 4 - Micro Fabrication TechnologyLecture 5 - PhotolithographyLecture 6 - Soft LithographyLecture 7 - Introduction to Wet Etching TechniquesLecture 8 - Introduction to Dry Etching TechniquesLecture 9 - Introduction of Additive TechniquesLecture 10 - Introduction to Abrasive Jet Machining ProcessLecture 11 - Ultrasonic Machining ProcessLecture 12 - Determination of MRR of Ultrasonic Machining ProcessLecture 13 - Mechanics of Ultrasonic Machining (USM)Lecture 14 - Effect of Process parameters of USMLecture 15 - Ultrasonic Machining UnitLecture 16 - Electrochemical Machining Processes (ECM)Lecture 17 - Material Removal Rate of ECMLecture 18 - Electrode Double LayerLecture 19 - Material removal rate of an alloy in ECMLecture 20 - Kinematics and Dynamics of ECMLecture 21 - Temperature and Pressure rise during ECMLecture 22 - Determination of Electrolyte flow velocity in ECMLecture 23 - Effect of heat and Hydrogen bubble generation during ECM ProcessLecture 24 - Theoretical determination of Tool shapeLecture 25 - Design for Electrolyte flow in ECMLecture 26 - Introductions of Electro-chemical Drilling ProcessLecture 27 - Introduction to Finishing ProcessLecture 28 - Electric Discharge Machining ProcessLecture 29 - EDM part-2



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Lecture 30 - Effect of various process parameters on EDM processLecture 31 - Analysis of RC circuit for EDMLecture 32 - Electrodischarge machining sytemLecture 33 - Effect of various parameters on EDM ProcessLecture 34 - Tool Electrodes and Dielectric fluids and Electron Beam MachiningLecture 35 - Mechanics of Electron Beam Machining ProcessLecture 36 - Functional Characteristics of EBM Process Edit LessonLecture 37 - Introduction of Laser Beam Machining ProcessLecture 38 - Material removal rate of LBMLecture 39 - Heat conduction and Temperature rise during LBMLecture 40 - Modelling of LBM processesLecture 41 - Metal forming Processes Edit LessonLecture 42 - Yield Criterion used in Metal Forming Processes Edit LessonLecture 43 - Concept of Principal stress, strainLecture 44 - Trescas' Yield criteria and Rolling ProcessLecture 45 - Rolling Processes - Part 1Lecture 46 - Rolling Processes - Part 2Lecture 47 - Additive Manufacturing ProcessesLecture 48 - Fused Deposition Modeling Process



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NPTEL Video Course - Mechanical Engineering - NOC:Basics of Finite Element Analysis - II




Lecture 1 - Overview of the CourseLecture 2 - Fundamental principlesLecture 3 - Steps followed in FEALecture 4 - Weak FormulationLecture 5 - Weak FormulationLecture 6 - Assembling element level equationsLecture 7 - Errors in FEA SolutionLecture 8 - Measures of Errors in FEA SolutionLecture 9 - Convergence and Accuracy of Solution - Part ILecture 10 - Convergence and Accuracy of Solution - Part IILecture 11 - Convergence - Part ILecture 12 - Convergence - Part IILecture 13 - Numerical Integration Schemes - Part ILecture 14 - Numerical Integration Schemes - Part IILecture 15 - Approximations - Part ILecture 16 - Approximations - Part IILecture 17 - Approximations - Part IIILecture 18 - Gauss QuadratureLecture 19 - Gaussian Quadrature reviewLecture 20 - Gaussian Quadrature - Part IILecture 21 - Gaussian Quadrature - Part IIILecture 22 - Newton-Cotes QuadratureLecture 23 - Two dimensional FEM problemLecture 24 - Two dimensional one variable FEM problemLecture 25 - 2D Finite element problems with single variable (Model equation)Lecture 26 - 2D Finite element problems with single variable (Weak formulation)Lecture 27 - Elemental level 2D finite element equationsLecture 28 - Interpolation functions for 2D finite element problemsLecture 29 - Interpolation functions for linear triangular elements - Part I



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Lecture 30 - Interpolation functions for linear triangular elements - Part IILecture 31 - Interpolation functions for Triangular and Rectangular elementsLecture 32 - Evaluation of Stiffness and Force matricesLecture 33 - Stiffness and Force matrices for Triangular elementLecture 34 - Stiffness and Force matrices for Rectangular elementLecture 35 - Boundary elements for Finite element EquationsLecture 36 - Boundary integrals for Triangular elementLecture 37 - Assembly of 2-D finite elements - Part ILecture 38 - Assembly of 2-D finite elements - Part IILecture 39 - 2-D Heat transfer problems - Part ILecture 40 - 2-D Heat transfer problems - Part IILecture 41 - Numerical integration schemes for 2-D problemsLecture 42 - Jacobian and transformation matrix for 2-D problemsLecture 43 - Numerical Integration Schemes for 2-D ProblemsLecture 44 - Post-processingLecture 45 - Plane Elasticity ProblemsLecture 46 - Plane Elasticity ProblemsLecture 47 - Plane Elasticity ProblemsLecture 48 - Plane Elasticity Problems



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NPTEL Video Course - Mechanical Engineering - NOC:Principles of Vibration Control

Subject Co-ordinator - Prof. Bishakh Bhattacharya



Lecture 1 - Introduction to Vibration controlLecture 2 - Strategies and Steps in Vibration ControlLecture 3 - Strategies, Active control, Detuning and DecouplingLecture 4 - Viscous damping modelLecture 5 - Coulomb and Hysteretic damping modelLecture 6 - Energy Dissipation in Structural MaterialsLecture 7 - Material Selection Criterion against DampingLecture 8 - Design for Enhanced Material DampingLecture 9 - Linear Viscoelastic Materials and ModelsLecture 10 - Maxwell and 3-Parameter ModelsLecture 11 - Complex modulus and Applications of VEMLecture 12 - Basics of Dynamic Vibration AbsorberLecture 13 - Modelling of Dynamic Vibration AbsorberLecture 14 - Proof mass ActuatorLecture 15 - Springs for Vibration IsolationLecture 16 - Introduction to Active Vibration ControlLecture 17 - Basics of Classical Control SystemLecture 18 - Basics of State Space ControlLecture 19 - Controllability and Observability of SystemLecture 20 - Full State Feedback ControlLecture 21 - SMSS Laboratory Demonstration



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NPTEL Video Course - Mechanical Engineering - NOC:Fundamentals of Acoustics




Lecture 1 - Lesson 1 - Course OverviewLecture 2 - Lesson 2 - IntroductionLecture 3 - Lesson 3 - Nature Of SoundLecture 4 - Lesson 4 - The Decibel scaleLecture 5 - Lesson 5 - Key Terms In AcousticsLecture 6 - Lesson 6 - Adding DecibelsLecture 7 - Lesson 1 - Important Mathematical Concepts-Complex AlgebraLecture 8 - Lesson 2 - Important Mathematical Concepts-Complex Time SignalsLecture 9 - Lesson 3 - Important Mathematical Concepts-Transfer FunctionLecture 10 - Lesson 4 - Important Mathematical Concepts-Pole Zero PlotLecture 11 - Lesson 5 - Important Mathematical Concepts - Bode Plot For Simple PoleLecture 12 - Lesson 6 - Important Mathematical Concepts - Bode Plot For Simple ZeroLecture 13 - Lesson 1 - Bode Plots (Magnitude) for Complex Transfer FunctionsLecture 14 - Lesson 2 - Momentum Equation for 1-D Sound PropagationLecture 15 - Lesson 3 - Continuity Equation for 1-D Sound PropagationLecture 16 - Lesson 4 - Gas Law for 1-D Sound PropagationLecture 17 - Lesson 5 - 1-D Wave EquationLecture 18 - Lesson 6 - Solution for 1-D Wave EquationLecture 19 - Lesson 1 - WaveguideLecture 20 - Lesson 2 - Transmission Line Equations - Part ILecture 21 - Lesson 3 - Transmission Line Equations - Part IILecture 22 - Lesson 4 - Transmission Line Equations - Part IIILecture 23 - Lesson 5 - Transmission Line Equations - Part IVLecture 24 - Lesson 6 - Transmission Line Equations - Part VLecture 25 - Lesson 1 - Instantaneous PowerLecture 26 - Lesson 2 - Instantaneous Power in a L-R CircuitLecture 27 - Lesson 3 - Power Factor, and Acoustic PowerLecture 28 - Lesson 4 - Power Flow into an Infinitely Long TubeLecture 29 - Lesson 5 - Point Sources of Sound



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Lecture 30 - Lesson 6 - Relations for Outward Travelling Spherical Acoustic WaveLecture 31 - Lesson 1 - Specific Acoustic Impedance for a Closed TubeLecture 32 - Lesson 2 - Specific Acoustic Impedance for an Open Tube and an Infinitely Long TubeLecture 33 - Lesson 3 - Specific Acoustic Impedance for a Tube with Imperfect TerminationLecture 34 - Lesson 4 - KundtÂ�s TubeLecture 35 - Lesson 5 - Volume VelocityLecture 36 - Lesson 6 - Comparison of Impedances for a Radially Propagating Wave and a Planar WaveLecture 37 - Lesson 1 - Interference of sound sources - Part ILecture 38 - Lesson 2 - Interference of sound sources - Part IILecture 39 - Lesson 3 - Interference of sound sources - Part IIILecture 40 - Lesson 4 - Interference of sound sources - Part IVLecture 41 - Lesson 5 - DirectivityLecture 42 - Lesson 6 - Complex power, pressure and velocity for a spherical sourceLecture 43 - Lesson 1 - Noise reduction - Mass Attenuation MethodLecture 44 - Lesson 2 - Noise Reduction - Pressure RatioLecture 45 - Lesson 3 - Noise Reduction - Velocity of WallLecture 46 - Lesson 4 - 3 Media Problem - IntroductionLecture 47 - Lesson 5 - 3 Media Problem - Apply Boundary ConditionsLecture 48 - Lesson 6 - 3 Media Problem - Special casesLecture 49 - Lesson 1 - MufflersLecture 50 - Lesson 2 - Designing of Reactive MufflersLecture 51 - Lesson 3 - Designing of Dissipative MufflersLecture 52 - Lesson 4 - Time and Frequency Domain Representation of a SignalLecture 53 - Lesson 5 - Fourier SeriesLecture 54 - Lesson 6 - Fourier SeriesLecture 55 - Lesson 1 - Fourier TransformLecture 56 - Lesson 2 - Fourier TransformLecture 57 - Lesson 3 - Fourier TransformLecture 58 - Lesson 4 - Discrete Fourier Transform (DFT)Lecture 59 - Lesson 5 - Discrete Fourier Transform (DFT)Lecture 60 - Lesson 6 - Discrete Fourier Transform (DFT)Lecture 61 - Lesson 1 - Measuring Sound SignalsLecture 62 - Lesson 2 - MicrophonesLecture 63 - Lesson 3 - MicrophonesLecture 64 - Lesson 4 - WeightingLecture 65 - Lesson 5 - LoudnessLecture 66 - Lesson 6 - LoudnessLecture 67 - Lesson 1 - Octave Band Analysis - Part ILecture 68 - Lesson 2 - Octave Band Analysis Â� Part II



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Lecture 69 - Lesson 3 - Octave Band Analysis Â� Part IIILecture 70 - Lesson 4 - Reverberation TimeLecture 71 - Lesson 5 - Calculation of Reverberation Time and Sound Transmission Class (STC)Lecture 72 - Lesson 6 - Noise Reduction Coefficient (NRC)



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NPTEL Video Course - Mechanical Engineering - NOC:Heat Treatment and Surface Hardening - II

Subject Co-ordinator - Dr. Kallol Mondal



Lecture 1 - Recap - ILecture 2 - Recap - IILecture 3 - Recap - IIILecture 4 - Determination of Phase Diagram (Experimentally) - ILecture 5 - Determination of Phase Diagram (Experimentally) - IILecture 6 - Determination of Phase Diagram (Thermodynamically)Lecture 7 - Effect of pressure on phase transformation temperature and concept of equilibrium between condensed and vapor phaseLecture 8 - Effect of different parameters on heat treatment and concept of saturation vapor pressure with examplesLecture 9 - TitleLecture 10 - G-X diagrams (Part- II) and concept of chemical potential (Micro Sign) from G-X diagrams.Lecture 11 - Concept of common tangent for equilibrium between two phasesLecture 12 - Expressions for equilibrium of two phases - ILecture 13 - Expressions for equilibrium of two phases - IILecture 14 - Expressions for equilibrium of two phases - IIILecture 15 - Determining nucleation of phases using G-X plotLecture 16 - Î�G for nucleation and overall transformation, concepts of solid state transformation including precipitation and Quasi-Chemical Model (QCM)Lecture 17 - Introduction to real solutions and expression of Î�Hmix based on the Quasi-Chemical Model (QCM)Lecture 18 - Expression for Î�Hmix as a function of interaction energy and mole fraction, based on the QCM - Part ILecture 19 - Expression for Î�Hmix as a function of interaction energy and mole fraction, based on the QCM - Part IILecture 20 - Graphical representation of Î�Gmix, Î�Hmix, and -TÎ�Smix for real solutions and evolution of eutectic phase diagram from the G-X plotsLecture 21 - Effect of Î�Hmix on determination of phase diagrams (same crystal structure)Lecture 22 - Effect of Î�Hmix on determination of phase diagrams (Continued...)Lecture 23 - Importance of phase diagramsLecture 24 - Effect of heat treatment on microstructure evolution in steel - ILecture 25 - Effect of heat treatment on microstructure evolution in steel - IILecture 26 - Recap of homogeneous and heterogeneous nucleation for solid to solid transformationLecture 27 - Nucleation rate and its dependence on T (temp. of interest), Î�T, Î�G v and Î�G* and, introduction to growth kineticsLecture 28 - Growth kinetics (Continued...)Lecture 29 - Growth rate variation with undercooling and kinetics of overall phase transformation



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Lecture 30 - Implication of Avramiâ��s equation with example on excel spreadsheetLecture 31 - Experimental verification of Avrami EquationLecture 32 - Linear regression (least squares) method to find the value of n and k in Avrami equationLecture 33 - In this lecture, method to determine the goodness of fit has been explained. Procedure to estimate the values of n and k from experimental data have also been discussed.Lecture 34 - Stereology and quantitative metallography - ILecture 35 - Stereology and quantitative metallography - IILecture 36 - Grain size measurements methodsLecture 37 - Statistical tools for analysis and reporting of obtained data with examplesLecture 38 - Evolution of TTT and CCT diagram from f vs. t plotsLecture 39 - TTT, CCT continue and hardenability of steelLecture 40 - Importance of heat treatment practices in real life (with examples)



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NPTEL Video Course - Mechanical Engineering - NOC:Phase Transformation in Materials

Subject Co-ordinator - Dr. Krishanu Biswas



Lecture 1 - Brief IntroductionLecture 2 - Define Phase, EquilibriumLecture 3 - Free Energy, Stability of PhasesLecture 4 - Gibbs Free Energy of Binary SolutionLecture 5 - Ideal Solution and Chemical PotentialLecture 6 - Thermodynamics of solid solutionsLecture 7 - G vs X curvesLecture 8 - Solid solutionsLecture 9 - Heterogeneous phase equilibriaLecture 10 - G vs X curves for eutectic systemLecture 11 - G-X plot for peritectic systemLecture 12 - Effect of temperature of solid solubility, Influence of interfaces on EquilibriumLecture 13 - Introduction of DiffusionLecture 14 - Mechanism of Diffusion, Fick's I lawLecture 15 - Fick's II lawLecture 16 - Fick's II law (Continued...), Diffusion and TemperatureLecture 17 - Interfacial Free Energy,Solid/Vapor InterfaceLecture 18 - Boundaries in single phase solidsLecture 19 - High angle grain boundaries, Equilibrium in poly-crystalline materials, Interphase interfaces in solidsLecture 20 - Interphase interfaces in solids (Continued...)Lecture 21 - CSL BoundariesLecture 22 - Types of NucleationsLecture 23 - Homogeneous NucleationLecture 24 - Homogeneous Nucleation (Continued...)Lecture 25 - Heterogeneous NucleationLecture 26 - Heterogeneous nucleation (Continued...)Lecture 27 - GrowthLecture 28 - Atomic mechanism of growthLecture 29 - Dendritic Solidification



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Lecture 30 - Growth rate for dendrite formationLecture 31 - Alloy solidificationLecture 32 - Alloy solidification (Continued...)Lecture 33 - EutecticLecture 34 - EutecticLecture 35 - Solidification of casting / ingotLecture 36 - Precipitation hardenable alloyLecture 37 - Precipitation age- hardening alloy (Continued...)Lecture 38 - Age hardening alloyLecture 39 - Eutectoid transformationLecture 40 - Eutectoid transformation (Continued....)Lecture 41 - Eutectoid transformation in steel (Continued...)Lecture 42 - MartensiteLecture 43 - Martensite (Continued...)Lecture 44 - Martensite (Continued...) and TTT curvesLecture 45 - TTT diagramLecture 46 - Recovery, Recrystallization and Grain growthLecture 47 - RecoveryLecture 48 - RecrystallizationLecture 49 - Recrystallization (Continued...)Lecture 50 - Introduction to spinodal decomposition



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NPTEL Video Course - Mechanical Engineering - NOC:Manufacturing of Composites

Subject Co-ordinator - Prof. J. Ramkumar



Lecture 1 - Introduction to CompositesLecture 2 - MatricesLecture 3 - Fiber reinforcementsLecture 4 - Fiber reinforcements (Continued...)Lecture 5 - Composites propertiesLecture 6 - Composites testingLecture 7 - Selection of materialLecture 8 - Selection of material (Continued...)Lecture 9 - Design for ManufacturingLecture 10 - Design for Manufacturing (Continued...)Lecture 11 - Composite Manufacturing ProcessesLecture 12 - Filament winding ProcessesLecture 13 - Resin transfer mouldingLecture 14 - PultrusionLecture 15 - Compression Moulding ProcessLecture 16 - Vacuum Impregnation MethodsLecture 17 - Stacking of CompositesLecture 18 - Thermoplastic Composites Manufacturing Processes - Part 1Lecture 19 - Thermoplastic Composites Manufacturing Processes - Part 2 (Continued...)Lecture 20 - Non-destructive testing methods for composite materialsLecture 21 - Metal Matrix CompositesLecture 22 - Metal Matrix Composites applications (Continued...)Lecture 23 - Processing of Metal Matrix Composites - Part 1Lecture 24 - Processing of Metal Matrix Composites - Part 2Lecture 25 - Ceramic Matrix CompositesLecture 26 - Fabrication of Ceramic Matrix Composites (CMCs)Lecture 27 - Carbon - Carbon CompositesLecture 28 - Polymer Matrix and Nano CompositesLecture 29 - Machining of Composites



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Lecture 30 - Repair of CompositesLecture 31 - Manufacturing Processes



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NPTEL Video Course - Mechanical Engineering - NOC:Applied Ergonomics







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Lecture 30 - Work SystemsLecture 31 - Measures of ProductivityLecture 32 - Productivity MeasurementLecture 33 - Work StudyLecture 34 - Motion and time studyLecture 35 - (Missing)Lecture 36 - (Missing)Lecture 37 - (Missing)Lecture 38 - (Missing)Lecture 39 - (Missing)Lecture 40 - Industrial accidentsLecture 41 - Human ErrorsLecture 42 - Workers compensation lawsLecture 43 - Organisation Ergonomics - Part 1Lecture 44 - Organisation Ergonomics - Part 2Lecture 45 - Job SatisfactionLecture 46 - Worker behavior



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NPTEL Video Course - Mechanical Engineering - NOC:Sustainability through Green Manufacturing Systems - An Applied Approach

Subject Co-ordinator - Dr. Deepu Philip, Dr. Amandeep Singh



Lecture 1 - Basics of ProductionLecture 2 - Basics of Production (Continued...)Lecture 3 - Sustainability and ManufacturingLecture 4 - Introduction to SimulationLecture 5 - Introduction to Simulation (Continued...)Lecture 6 - Basic Statistical Concepts for Sustainable Manufacturing AnalysisLecture 7 - Basic Statistical Concepts for Sustainable Manufacturing Analysis (Continued...)Lecture 8 - Life Cycle AssessmentLecture 9 - Life Cycle Assessment ElementsLecture 10 - Life Cycle Assessment ProcedureLecture 11 - Life Cycle Assessment (Continued...)Lecture 12 - Sustainability FrameworkLecture 13 - Basic Modeling Concepts for Factory SimulationLecture 14 - Basic Modeling Concepts for Factory Simulation (Continued...)Lecture 15 - Green Manufacturing ModellingLecture 16 - Green Manufacturing Modelling (Continued...) Indices for Green ManufacturingLecture 17 - Green Manufacturing Modelling (Continued...) Developing Green Manufacturing SystemLecture 18 - Productivity and SustainabilityLecture 19 - Productivity and Sustainability (Continued...)Lecture 20 - Green Manufacturing TechniquesLecture 21 - Green Manufacturing Techniques (Continued...)Lecture 22 - Renewable Sources of EnergyLecture 23 - Renewable Sources of Energy (Continued...)Lecture 24 - Renewable energy in India and Industrial SymbiosisLecture 25 - Demonstration of Various Instruments Used for Green MachiningLecture 26 - Laboratory demonstration



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NPTEL Video Course - Mechanical Engineering - NOC:Noise Management and Control




Lecture 1 - Course OverviewLecture 2 - IntroductionLecture 3 - Nature Of SoundLecture 4 - BeatsLecture 5 - The Decibel ScaleLecture 6 - Key Terms in AcousticsLecture 7 - Decibel Scale - Part 1Lecture 8 - Decibel Scale - Part 2Lecture 9 - Decibel Scale - Part 3Lecture 10 - Complex NumbersLecture 11 - Complex Time FunctionLecture 12 - Linear SystemsLecture 13 - Transfer FunctionsLecture 14 - Introduction to One Dimensional Wave EquationLecture 15 - The Momentum EquationLecture 16 - The Continuity Equation and The Gas LawLecture 17 - One Dimensional Wave EquationLecture 18 - Solution for One Dimensional Wave EquationLecture 19 - Transmission Line EquationsLecture 20 - One Dimensional Example ProblemsLecture 21 - ImpedanceLecture 22 - Pressure Wave Travels in a Closed TubeLecture 23 - Standing Wave Formation in a Closed Tube With Rigid TerminationLecture 24 - Pressure Wave Travels in an Open TubeLecture 25 - 1-D sound wave propagationLecture 26 - 1-D sound wave propagationLecture 27 - Radially propagating sound waves in spherical coordinate system - ILecture 28 - Radially propagating sound waves in spherical coordinate system - IILecture 29 - Complex impedance for radially propagating sound waves in spherical coordinate system



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Lecture 30 - Volume velocity - ILecture 31 - Interference of 1-D spherically propagating sound waves - ILecture 32 - Interference of 1-D spherically propagating sound waves - IILecture 33 - Noise sources and introduction to microphonesLecture 34 - Classification of microphones - ILecture 35 - Classification of microphones - IILecture 36 - Classification of microphones - IIILecture 37 - Microphone ParametersLecture 38 - Understanding microphone specificationsLecture 39 - Noise SourceLecture 40 - Noise SourceLecture 41 - Noise SourceLecture 42 - Noise SourceLecture 43 - Noise SourceLecture 44 - Noise SourceLecture 45 - Measuring Sound Power Level - Understanding standard octave bandsLecture 46 - Measuring Sound Power Level - Fan noise - Part ILecture 47 - Measuring Sound Power Level - Fan noise - Part IILecture 48 - Measuring Sound Power Level - Fan noise - Part IIILecture 49 - WeightingLecture 50 - Noise coming from MotorsLecture 51 - Noise coming from Motors and PumpsLecture 52 - Noise coming from Pump and Motor Working SimultaneouslyLecture 53 - Noise coming from CompressorsLecture 54 - Example problems regarding Noise coming from CompressorLecture 55 - Noise Spread MechanismsLecture 56 - Reverberation timeLecture 57 - Reverberation time example problemLecture 58 - Noise from Adjacent RoomLecture 59 - Acoustic EnclosuresLecture 60 - Acoustic Enclosures - Example ProblemsLecture 61 - Large acoustical enclosures - ILecture 62 - Large acoustical enclosures - IILecture 63 - Acoustic barriers - ILecture 64 - Acoustic barriers - IILecture 65 - Acoustic barriers - IIILecture 66 - Helmholtz resonator - I



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NPTEL Video Course - Mechanical Engineering - NOC:Design Practice




Lecture 1 - Brief introduction of Design systemsLecture 2 - Product DevelopementLecture 3 - Basic protocols of industrial designLecture 4 - Design thinking and innovationLecture 5 - Brain StormingLecture 6 - Design prototypingLecture 7 - Generic Phases of the DesignLecture 8 - Configurational Design AspectsLecture 9 - Concurrent EngineeringLecture 10 - Concurrent Engineering - 2Lecture 11 - Concurrent Engineering ApproachesLecture 12 - Concurrent Engineering Approaches - 2Lecture 13 - Benefits of concurrent engineeringLecture 14 - Concurrent engineering environment influencing dimensionsLecture 15 - Concurrent engineering environment influencing dimensions - 2Lecture 16 - Program and product Interface dimensions in Concurrent engineeringLecture 17 - Product Developement MethodologyLecture 18 - Elements of concurrent engineeringLecture 19 - Business relationships in concurrent engineeringLecture 20 - Organizational elements in concurrent engineeringLecture 21 - Techniques for the Implementation of concurrent engineering environmentLecture 22 - Average quality lossLecture 23 - Robustness in DesignLecture 24 - Robustness in Design - 2Lecture 25 - Material selection in Engineering designLecture 26 - Material selection in Engineering Design.Lecture 27 - Basic steps in Material Selection ProcessLecture 28 - Design of Work SystemsLecture 29 - Motion Study



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Lecture 30 - Axiomatic DesignLecture 31 - Introduction to group technologyLecture 32 - Failure Mode Effect Analysis



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NPTEL Video Course - Mechanical Engineering - NOC:Introduction to Composites




Lecture 1 - Definition of the composite materialsLecture 2 - Composite materials and its applicationsLecture 3 - Classification of the composite materialsLecture 4 - What Makes fiber so strong?Lecture 5 - Advantages and limitations of composite materialsLecture 6 - Properties of the composite materials.Lecture 7 - Different Types of FiberLecture 8 - Production process and different types of Glass FiberLecture 9 - Graphite FibersLecture 10 - Aramid and Boron FibersLecture 11 - Ceramic FibersLecture 12 - Matrix - Properties and classificationsLecture 13 - Polymers as matrix material and its classificationLecture 14 - Thermosets and thermoplasticsLecture 15 - Properties of thermosets and thermoplasticsLecture 16 - Thermoset materials and its production methodsLecture 17 - Thermoplastics and metals as matrix materialsLecture 18 - Ceramic and carbon matricesLecture 19 - What is a good fabrication process of a composite?Lecture 20 - Fabrication of Thermoset CompositesLecture 21 - Hand Lay-Up ProcessLecture 22 - Bag Molding ProcessLecture 23 - Resin Transfer Molding ProcessLecture 24 - Fabrication of Thermoplastic, Metal and Ceramic Matrix based CompositesLecture 25 - Terminologies and basic conceptsLecture 26 - Orthotropic materialLecture 27 - Modeling of unidirectional compositesLecture 28 - Composite density as a function of mass fraction and volume fractionLecture 29 - Calculation of longitudinal modulus for unidirectional composites



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Lecture 30 - Failure modes of unidirectional compositeLecture 31 - Failure of Unidirectional LaminaLecture 32 - Minimum Volume Fraction and Critical Volume FractionLecture 33 - Example based on Failure of Composite MaterialLecture 34 - Example based on Minimum and Critical Volume FractionLecture 35 - Transverse Modulus of Unidirectional CompositeLecture 36 - Halpin-Tsai Relation for Transverse ModulusLecture 37 - Transverse modulus of unidirectional compositesLecture 38 - Transverse strength of unidirectional compositesLecture 39 - Poissonâ��s ratio of unidirectional compositesLecture 40 - Failure modes of composite materialsLecture 41 - Failure modes of composite materialsLecture 42 - Other propertiesLecture 43 - Concept of TensorLecture 44 - Stress Transformation (Two Dimensional)Lecture 45 - Analysis of Specially Orthotropic LaminaLecture 46 - Analysis of Generally Orthotropic LaminaLecture 47 - Transformation of Engineering Constants - Part ILecture 48 - Transformation of Engineering Constants - Part IILecture 49 - Variation of elastic constants with respect to fiber orientation for generally orthotropic laminaLecture 50 - Generally orthotropic laminaLecture 51 - Generalized Hookeâ��s law for anisotropic materialsLecture 52 - Generalized Hookeâ��s law for anisotropic materialsLecture 53 - Elastic constants for Specially orthotropic materialsLecture 54 - Elastic constants for Specially orthotropic materials in plane stressLecture 55 - Relation Betweeen Engineering Constants and Elements of Stiffness and Compliance Matrices - Part ILecture 56 - Relation Betweeen Engineering Constants and Elements of Stiffness and Compliance Matrices - Part IILecture 57 - Stress Strain Relations for A Lamina With Arbitrary Orientation - Part ILecture 58 - Stress- Strain Relation for A Lamina With Arbitrary Orientation - Part IILecture 59 - Strength of An Orthotropic LaminaLecture 60 - Importance of Sign of Shear Stress in context of Strength of A Unidirectional LaminaLecture 61 - Strain displacement relations for a laminateLecture 62 - Stress-strain relations for individual layers of a laminateLecture 63 - Resultant forces and momentsLecture 64 - Relations between force and moment resultants and mid-plane strains and curvaturesLecture 65 - Physical significance of extensional stiffness matrix [A], coupling matrix [B] and bending stiffness matrix [D] matricesLecture 66 - Lamination sequence (standard laminate code)Lecture 67 - Calculation of A, B and D Matrices.Lecture 68 - Simplification of Stiffness Matrices - Part I



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Lecture 69 - Simplification of Stiffness Matrices - Part IILecture 70 - Quasi-Isotropic Laminates - Part ILecture 71 - Quasi-Isotropic Laminates - Part IILecture 72 - Failure of Composite Laminates



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NPTEL Video Course - Mechanical Engineering - NOC:Product Design and Manufacturing

Subject Co-ordinator - Prof. J. Ramkumar, Dr. Amandeep Singh



Lecture 1 - Introduction to product design and ManufacturingLecture 2 - Introduction to product design and Manufacturing (Continued...)Lecture 3 - Fundamentals of Manufacturing towards Product DevelopmentLecture 4 - Fundamentals of Manufacturing towards Product Development (Continued...)Lecture 5 - Engineering Design ProcessLecture 6 - Product design morphologyLecture 7 - Product characteristicsLecture 8 - Elements of Visual Design - Part 1Lecture 9 - Elements of Visual Design - Part 2Lecture 10 - Translating Customer NeedsLecture 11 - Value Engineering, an introductionLecture 12 - Value Engineering Methodology - Part 1Lecture 13 - Value Engineering Methodology - Part 2, FAST diagrammingLecture 14 - Value Engineering Methodology - Part 3Lecture 15 - Value Engineering, case studyLecture 16 - Materials Selection - Part 1Lecture 17 - Materials Selection - Part 2Lecture 18 - Manufacturing Process Selection - Part 1Lecture 19 - Manufacturing Process Selection - Part 2Lecture 20 - Product CostingLecture 21 - Design for ManufacturingLecture 22 - Design for AssemblyLecture 23 - Quality ControlLecture 24 - Patent - Part 1Lecture 25 - Patent - Part 2Lecture 26 - Rapid Prototyping, an introductionLecture 27 - Rapid Prototyping ModellingLecture 28 - Rapid Prototyping Processes - Part 1Lecture 29 - Rapid Prototyping Processes - Part 2



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Lecture 30 - Plant Layout Planning - Part 1Lecture 31 - Plant Layout Planning - Part 2Lecture 32 - Managing Competitiveness



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NPTEL Video Course - Mechanical Engineering - NOC:Phase Equilibria in Materials - Nature and Properties of Materials-II

Subject Co-ordinator - Dr. Ashish Garg



Lecture 1 - Basic ThermodynamicsLecture 2 - Basic ThermodynamicsLecture 3 - Phase Stability in MaterialsLecture 4 - Effects of Temperature and Pressure on Single Components SystemLecture 5 - Clausisus-Clapeyron Equation and Binary SolutionLecture 6 - Calculation of Configurational EntropyLecture 7 - Chemical PotentialLecture 8 - Phase Stability in Binary SolutionLecture 9 - Activity and Thermodynamics of Regular SolutionLecture 10 - Thermodynamic of Real SolutionLecture 11 - Free Energy Curves and Various SystemsLecture 12 - Solubility Limits 2-phase Co-existenceLecture 13 - Phase Diagram FormationLecture 14 - Phase Diagram ConstructionLecture 15 - Phase Diagram ConstructionLecture 16 - Intermetallics and Phase DiagramsLecture 17 - Phase RuleLecture 18 - Gibb's Phase RuleLecture 19 - Gibb's Phase RuleLecture 20 - Phase Fraction Calculation in a Phase DiagramLecture 21 - Microstructure evolution in Cu-Ni binary systemLecture 22 - Microstructure evolution (Continued...)Lecture 23 - Phase evolution in hypoeutectic regionLecture 24 - Phase evolution at Eutectic pointLecture 25 - Phase Diagrams of Cu-Ni and Al-SiLecture 26 - Phase Diagrams of Pb-Sn and Fe-CLecture 27 - Phase Diagram of Fe-C (Continued...)Lecture 28 - Fe-C Phase Diagram (Continued...)Lecture 29 - Fe-C Phase Diagram (Continued...)



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Lecture 30 - Phase Diagrams for non-Ferrous AlloysLecture 31 - Method of measuring Phase diagramLecture 32 - Methods of measuring phase diagram (Continued...)Lecture 33 - Methods of measuring phase diagramLecture 34 - Ternary Phase DiagramLecture 35 - Ternay Phase Diagram (Continued...)Lecture 36 - Ternary system with two phasesLecture 37 - Ternary system with three phasesLecture 38 - Ternary phase diagram with 4 phasesLecture 39 - Application of Phases diagramsLecture 40 - Summary of Course



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NPTEL Video Course - Mechanical Engineering - NOC:Advanced Composites




Lecture 1 - Basics of composite materialsLecture 2 - Different type of FibersLecture 3 - Properties of single layer continuous fiber compositesLecture 4 - Properties of single layer continuous fiber compositesLecture 5 - Strength of single layer continuous fiber compositesLecture 6 - Strength of single layer continuous fiber compositesLecture 7 - Concept of TensorLecture 8 - General Anisotropic MaterialLecture 9 - Specially Orthotropic MaterialLecture 10 - Specially Orthotropic Material Under Plane StressLecture 11 - Stress and Strain TransformationLecture 12 - Transformation of Stiffness and Compliance MatricesLecture 13 - Strain - Displacement relationsLecture 14 - Relations for stress and strain along thickness of laminateLecture 15 - Stress - Strain variation along Laminate thicknessLecture 16 - Force and Moment resultant - Part 1Lecture 17 - Force and Moment resultant - Part 2Lecture 18 - Important observation related to [A], [B] and [D] matricesLecture 19 - Quasi-Isotropic LaminatesLecture 20 - Maximum Stress TheoryLecture 21 - Maximum Strain TheoryLecture 22 - Importance of Sign of Shear Stress.Lecture 23 - Failure Initiation in Composite Laminate.Lecture 24 - Progressive Failure of Laminae in A LaminateLecture 25 - Governing equations for composite platesLecture 26 - Force equilibrium in Z-directionLecture 27 - Moment equilibrium equationsLecture 28 - Equilibrium equations for composite platesLecture 29 - Boundary conditions associated with different edges of composite plate - Part 1



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Lecture 30 - Boundary conditions associated with different edges of composite plate - Part 2Lecture 31 - Generalized Solution for Semi-Infinite Plate - Part ILecture 32 - Generalized Solution for Semi-Infinite Plate - Part IILecture 33 - Particular Solution for Semi-Infinite PlateLecture 34 - Particular Solution for Semi-Infinite PlateLecture 35 - Particular Solution for Semi-Infinite PlateLecture 36 - Particular Solution for Semi-Infinite PlateLecture 37 - Solution for governing equation related to semi-infinite composite plateLecture 38 - Nature of displacement u0(x) and how it gets influence by important parameters of lamination sequenceLecture 39 - Semi-infinite plate loaded in the x-direction - Part 1Lecture 40 - Semi-infinite plate loaded in the x-direction - Part 2Lecture 41 - Thermal effects in composite laminates - Part 1Lecture 42 - Thermal effects in composite laminates - Part 2Lecture 43 - Thermal effects in composite laminates - Part 3Lecture 44 - Finite Rectangular PlateLecture 45 - Different Boundary Conditions in Finite Rectangular PlateLecture 46 - Example Based On a Finite Rectangular PlateLecture 47 - Example Based On a Finite Rectangular PlateLecture 48 - Example Based On a Finite Rectangular PlateLecture 49 - Anticlastic curvatureLecture 50 - Principle of virtual workLecture 51 - Virtual work methodLecture 52 - Virtual work methodLecture 53 - Beam (two term solution)Lecture 54 - 3rd Interpretation of special Galerkin methodLecture 55 - Role of D16 and D26 Terms On Laminated Plate ResponseLecture 56 - Role of D16 and D26 Terms On Laminated Plate ResponseLecture 57 - Role of D16 and D26 Terms On Laminated Plate ResponseLecture 58 - Role of D16 and D26 Terms On Laminated Plate ResponseLecture 59 - Free Vibration in Composite PlateLecture 60 - Free Vibration in Composite PlateLecture 61 - Buckling of composite platesLecture 62 - Force equilibrium in z-direction for buckling of composite platesLecture 63 - Moment equilibrium around x, y and z-directions for buckling of composite platesLecture 64 - Buckling of an infinitely long composite plateLecture 65 - Buckling of a simply supported finite plateLecture 66 - Composite plate under bidirectional compressionLecture 67 - Shear Bucking in Rectangular Composite PlateLecture 68 - Shear Bucking in Rectangular Composite Plate



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Lecture 69 - Introduction to Short-Fiber CompositesLecture 70 - Theories of Stress TransferLecture 71 - Theories of Stress TransferLecture 72 - Modulus of Short-Fiber Composites and Closure



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NPTEL Video Course - Mechanical Engineering - NOC:Engineering Metrology

Subject Co-ordinator - Dr. Amandeep Singh, Prof. J. Ramkumar



Lecture 1 - Introduction to measurements and metrologyLecture 2 - Instruments in measurement systemsLecture 3 - Instruments in measurement systemsLecture 4 - General concepts and definitions in metrologyLecture 5 - Standards of measurementLecture 6 - Limits, Fits, and Tolerances - Part 1Lecture 7 - Limits, Fits, and Tolerances - Part 2Lecture 8 - Limits, Fits, and Tolerances - Part 3Lecture 9 - Limits, Fits, and Tolerances - Part 4Lecture 10 - Linear Measurements - Part 1Lecture 11 - Linear Measurements - Part 2Lecture 12 - Laboratory demonstration, Vernier CaliperLecture 13 - Laboratory demonstration, Dial gauge and vernier, micrometer, surface plate, feeler gaugeLecture 14 - Angular Measurements - Part 1Lecture 15 - Angular Measurements - Part 2Lecture 16 - Laboratory demonstration, Vernier height gaugeLecture 17 - Laboratory demonstration, Thread gauge, spirit levelLecture 18 - Laboratory demonstration, Combination set, slip gauges, sine barLecture 19 - Comparators - Part 1Lecture 20 - Comparators - Part 2Lecture 21 - Transducers - Part 1Lecture 22 - Transducers - Part 2Lecture 23 - Screw thread metrologyLecture 24 - Gears metrology - Part 1Lecture 25 - Gears metrology - Part 2Lecture 26 - Laboratory demonstration, Gear VernierLecture 27 - Surface metrologyLecture 28 - Temperature measurementsLecture 29 - Pressure measurements - Part 1



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Lecture 30 - Pressure measurements - Part 2Lecture 31 - Strain measurements - Part 1Lecture 32 - Strain measurements - Part 2Lecture 33 - Optical measurements and Nanometrology - Part 1Lecture 34 - Optical measurements and Nanometrology - Part 2Lecture 35 - Optical measurements and Nanometrology - Part 3Lecture 36 - Statistics in Metrology, an intoduction - Part 1Lecture 37 - Statistics in Metrology, an intoduction - Part 2Lecture 38 - Data and scales in measurementsLecture 39 - Discrete and continuous dataLecture 40 - Statistics for metrology, fundamental concepts - Part 1Lecture 41 - Statistics for metrology, fundamental concepts - Part 2Lecture 42 - Statistics for metrology, fundamental concepts - Part 3Lecture 43 - Probability distributions for estimating measurementLecture 44 - Normal distributionLecture 45 - Statistics for proportionsLecture 46 - Chi square distribution, and Data outlier detectionLecture 47 - Quality Control, introductionLecture 48 - Quality Control, control charts for variablesLecture 49 - Quality Control, control charts for attributesLecture 50 - Quality Control, critical aspectsLecture 51 - 3D measurements, Coordinate Measuring Machine (CMM)Lecture 52 - Laboratory demonstration, Coordinate Measuring Machine (CMM))



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NPTEL Video Course - Mechanical Engineering - NOC:Smart Materials and Intelligent System Design

Subject Co-ordinator - Prof. Bisakh Bhattacharya



Lecture 1 - Introduction to Smart MaterialsLecture 2 - Piezoelectric MaterialLecture 3 - Magnetostrictive MaterialLecture 4 - Active Smart PolymerLecture 5 - Shape Memory AlloysLecture 6 - Introduction to compositesLecture 7 - Classification of CompositesLecture 8 - Micromechanics and Macromechanics of CompositesLecture 9 - Classical Laminated Plate TheoryLecture 10 - ABD MatricesLecture 11 - Modelling of piezoelectric material 1Lecture 12 - Modelling of piezoelectric material 2Lecture 13 - Modelling of Magnetostrictive materialLecture 14 - Modelling of Shape memory AlloysLecture 15 - Smart ActuatorsLecture 16 - Smart Materials based MEMSLecture 17 - Smart MEMS ApplicationsLecture 18 - Energy HarvestingLecture 19 - Concept of Self Healing



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NPTEL Video Course - Mechanical Engineering - NOC:Design Practice-II




Lecture 1 - Design conceptsLecture 2 - Computer Aided Design (CAD)Lecture 3 - Geometrical transformationLecture 4 - Composition of geometrical transformationLecture 5 - Geometric modelingLecture 6 - Representation of curvesLecture 7 - Parametric representation of synthetic curvesLecture 8 - Curve fitting problem (Hermite case)Lecture 9 - Problem solving (based on Bezier curve)Lecture 10 - Representation of SurfacesLecture 11 - Introduction to Micro-Elctro mechanical Systems (MEMS)Lecture 12 - Lab-on-ChipLecture 13 - Introduction to SensorsLecture 14 - Introduction to TransducersLecture 15 - Introduction to device fabricationsLecture 16 - Introduction to Silicon as a MEMS materialLecture 17 - Etching processesLecture 18 - Types of PhotolithographyLecture 19 - Introduction to actuatorsLecture 20 - Designing of the Micro-ValveLecture 21 - Electrochemical valvesLecture 22 - MicropumpsLecture 23 - Designing of peristaltic pumpsLecture 24 - Different types of pumps and sensorsLecture 25 - Computer Numerical ControlLecture 26 - Numerical control programmingLecture 27 - NC part programmingLecture 28 - Introduction to rapid prototypingLecture 29 - Different types of rapid prototyping technologies



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Lecture 30 - Fused Deposition ModelingLecture 31 - LAB demonstration of Fused Deposition Modelling TechniquesLecture 32 - LAB demonstrtion of Fused Deposition Modelling ProcessLecture 33Lecture 34Lecture 35Lecture 36Lecture 37



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NPTEL Video Course - Mechanical Engineering - NOC:Rapid Manufacturing

Subject Co-ordinator - Prof. J. Ramkumar



Lecture 1 - Introduction to Rapid Manufacturing - Part 1Lecture 2 - Introduction to Rapid Manufacturing - Part 2Lecture 3 - Introduction to Rapid Manufacturing - Part 3Lecture 4 - Product Development Process - Part 1Lecture 5 - Product Development Process - Part 2Lecture 6 - Product Development Process - Part 3Lecture 7 - Design for Modularity (Manufacturing)Lecture 8 - Design for Modularity (Assembly; Part 1)Lecture 9 - Design for Modularity (Assembly; Part 2)Lecture 10 - Design for ModularityLecture 11 - Subtractive versus Rapid ManufacturingLecture 12 - Reverse Engineering - Part 1Lecture 13 - Reverse Engineering - Part 2Lecture 14 - Laboratory Demonstration, Co-ordinate Measuring Machine - Part 1Lecture 15 - Laboratory Demonstration, Co-ordinate Measuring Machine - Part 2Lecture 16 - Laboratory Demonstration, 3D scanners - Part 1Lecture 17 - Laboratory Demonstration, 3D scanners - Part 2Lecture 18 - Polymerization Processes - Part 1Lecture 19 - Polymerization Processes - Part 2Lecture 20 - Powder based processes - Part 1Lecture 21 - Powder based processes - Part 2Lecture 22 - Powder based processes - Part 3Lecture 23 - Extrusion based processes - Part 1Lecture 24 - Extrusion based processes - Part 2Lecture 25 - Sheet Stacking processesLecture 26 - 3D printing processesLecture 27 - Laboratory Demonstration, 3D printing - Part 1Lecture 28 - Laboratory Demonstration, 3D printing - Part 2Lecture 29 - Laboratory Demonstration, 3D printing - Part 3



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Lecture 30 - Beam Deposition processesLecture 31 - Materials in Rapid Manufacturing - Part 1Lecture 32 - Materials in Rapid Manufacturing - Part 2Lecture 33 - Post-processing concerns - Part 1Lecture 34 - Post-processing concerns - Part 2Lecture 35 - Product costing for Rapid Manufacturing - Part 1Lecture 36 - Product costing for Rapid Manufacturing - Part 2Lecture 37 - Rapid Product Development, CAD/CAM - Part 1Lecture 38 - Rapid Product Development, CAD/CAM - Part 2Lecture 39 - Rapid Product Development, CAD/CAM - Part 3Lecture 40 - Rapid Product Development, CAE and CIMLecture 41 - Rapid Product Development, Technomatix, Plant Simulation 10 - Part 1Lecture 42 - Rapid Product Development, Technomatix, Plant Simulation 10 - Part 2Lecture 43 - Rapid Product Development, Technomatix, Plant Simulation 10 - Part 3Lecture 44 - Rapid Manufactiuring, case studies



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NPTEL Video Course - Mechanical Engineering - NOC:Turbulent Combustion: Theory and Modelling

Subject Co-ordinator - Prof. Ashoke De



Lecture 1 - Introduction to CombustionLecture 2 - Introduction to Combustion (Continued...)Lecture 3 - Introduction to Combustion (Continued...)Lecture 4 - Introduction to Combustion (Continued...) + Combustion and ThermochemistryLecture 5 - Combustion and ThermochemistryLecture 6 - Combustion and Thermochemistry (Continued...)Lecture 7 - Combustion and Thermochemistry (Continued...) + Chemical KineticsLecture 8 - Chemical Kinetics (Continued...)Lecture 9 - Chemical Kinetics (Continued...)Lecture 10 - Chemical Kinetics (Continued...) + Combustion ChemistryLecture 11 - Combustion Chemistry (Continued...)Lecture 12 - Heat and Mass TransferLecture 13 - Heat and Mass Transfer + Coupling of Chemical Kinetics and ThermodynamicsLecture 14 - Coupling of Chemical Kinetics and Thermodynamics (Continued...)Lecture 15 - Coupling of Chemical Kinetics and Thermodynamics + Laminar Premixed FlamesLecture 16 - Laminar Premixed Flames (Continued...)Lecture 17 - Laminar Premixed Flames (Continued...)Lecture 18 - Laminar Premixed Flames (Continued...) + Laminar Non-Premixed FlamesLecture 19 - Laminar Non-Premixed Flames (Continued...)Lecture 20 - Laminar Non-Premixed Flames (Continued...)Lecture 21 - Laminar Non-Premixed FlamesLecture 22 - Laminar Non-Premixed Flames (Continued...)Lecture 23 - Laminar Non-Premixed Flames (Continued...)Lecture 24 - Laminar Non-Premixed Flames (Continued...)Lecture 25 - Laminar Non-Premixed Flames (Continued...)Lecture 26 - Laminar Non-Premixed Flames + TurbulenceLecture 27 - TurbulenceLecture 28 - TurbulenceLecture 29 - Turbulence



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Lecture 30 - TurbulenceLecture 31 - TurbulenceLecture 32 - TurbulenceLecture 33 - TurbulenceLecture 34 - TurbulenceLecture 35 - TurbulenceLecture 36 - TurbulenceLecture 37 - TurbulenceLecture 38 - TurbulenceLecture 39 - TurbulenceLecture 40 - TurbulenceLecture 41 - TurbulenceLecture 42 - TurbulenceLecture 43 - TurbulenceLecture 44 - TurbulenceLecture 45 - TurbulenceLecture 46 - Turbulent CombustionLecture 47 - Turbulent CombustionLecture 48 - Turbulent CombustionLecture 49 - Turbulent CombustionLecture 50 - Turbulent CombustionLecture 51 - Turbulent CombustionLecture 52 - Turbulent CombustionLecture 53 - Turbulent CombustionLecture 54 - Turbulent CombustionLecture 55 - Turbulent CombustionLecture 56 - Turbulent CombustionLecture 57 - Turbulent CombustionLecture 58 - Multiphase CombustionLecture 59 - Multiphase CombustionLecture 60 - Multiphase Combustion



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NPTEL Video Course - Mechanical Engineering - NOC:Manufacturing Automation

Subject Co-ordinator - Prof. Sounak Kumar Choudhury



Lecture 1 - Introduction to Manufacturing AutomationLecture 2 - Various Aspects of Manufacturing AutomationLecture 3 - Part Transfer MechanismsLecture 4 - Automated Flow LinesLecture 5 - Analysis of Automated Flow LinesLecture 6 - Vibratory Bowl FeederLecture 7 - Analysis of Vibratory Bowl FeederLecture 8 - Reciprocating Tube Hopper FeederLecture 9 - Centreboard Hopper Feeder and its analysisLecture 10 - Reciprocating fork and External Gate Hopper FeedersLecture 11 - Rotary Disc Feeder and Centrifugal Hopper FeederLecture 12 - Bladed Wheel and Tumbling Barrel Hopper FeedersLecture 13 - Rotary Centreboard and Magnetic FeedersLecture 14 - Part Orienting DevicesLecture 15 - Feed Tracks and their analysisLecture 16 - Powered Feed Track and EscapementsLecture 17 - Various Escapements and Part Placing MechanismsLecture 18 - Design for Automatic AssemblyLecture 19 - Performance and Economics of Assembly SystemsLecture 20 - Performance of Indexing and Free Transfer Machines



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NPTEL Video Course - Mechanical Engineering - Computational Fluid Dynamics (Prof. S. Chakraborty)

Subject Co-ordinator - Prof. S. Chakraborty

Co-ordinating Institute - IIT - Kharagpur


Lecture 1 - Introduction to Computational Fluid Dynamics and Principles of ConservationLecture 2 - Conservation of Mass and MomentumLecture 3 - Navier Stokes Equation (Continued.)Lecture 4 - Energy Equation and General Structure of Conservation EquationsLecture 5 - Classification of Partial Differential Equations and Physical BehaviourLecture 6 - Classification of Partial Differential Equations and Physical Behaviour (Continued.)Lecture 7 - Approximate Solutions of Differential EquationsLecture 8 - Approximate Solutions of Differential EquationsLecture 9 - Weighted Residual Approach and Introduction to DiscretizationLecture 10 - Fundamentals of DiscretizationLecture 11 - Fundamentals of DiscretizationLecture 12 - Fundamentals of DiscretizationLecture 13 - Finite Volume MethodLecture 14 - Finite Volume MethodLecture 15 - Finite Volume MethodLecture 16 - Important Consequences of Discretization of Unsteady State ProblemsLecture 17 - Important Consequences of Discretization of Time Dependent Diffusion Type Problems (Continued.) and Stability AnalysisLecture 18 - Discretization of Hyperbolic EquationsLecture 19 - PART 1Lecture 20 - PART 1Lecture 21 - Solution of Systems of Linear Algebraic EquationsLecture 22 - Solution of Systems of Linear Algebraic EquationsLecture 23 - Solution of Systems of Linear Algebraic EquationsLecture 24 - Elimination MethodsLecture 25 - Iterative Methods for Numerical Solution of Systems of Linear Algebraic EquationsLecture 26 - Iterative Methods for Numerical Solution of Systems of Linear Algebraic Equations (Continued.)Lecture 27 - Iterative MethodsLecture 28 - PART 1Lecture 29 - Gradient Search Methods (Continued.)



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Lecture 30 - Discretization of Convection-Diffusion EquationsLecture 31 - Discretization of Convection-Diffusion EquationsLecture 32 - Discretization of Convection- Diffusion EquationsLecture 33 - Discretization of Convection -Diffusion EquationsLecture 34 - Discretization of Convection-Diffusion EquationsLecture 35 - Discretization of Navier Stokes EquationsLecture 36 - Discretization of Navier Stokes Equations ( Continued.)Lecture 37 - Discretization of Navier Stokes Equations ( Continued. )Lecture 38 - PART 1Lecture 39 - Unstructured Grid Formulation (Continued.)Lecture 40 - What is there in implementing a CFD CodeLecture 41 - Introduction to Turbulence ModelingLecture 42 - Introduction to Turbulence Modeling (Continued.)Lecture 43 - End Semester Questions Review



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NPTEL Video Course - Mechanical Engineering - Fundamentals of Industrial Oil Hydraulics and Pneumatics

Subject Co-ordinator - Prof. R.N. Maiti



Lecture 1 - What is Hydraulic and Pneumatic SystemLecture 2 - Basic Components, Symbols and CircuitsLecture 3 - Incompressible Fluids - Some Fundamental PropertiesLecture 4 - Incompressible Fluid Flow related to Fluid DriveLecture 5 - Capillary Fluid (incompressible) Flow and Hydrodynamic LubricationLecture 6 - Basis for Calculating Hydraulic SystemsLecture 7 - Different types of Valves - Features and Operations - ILecture 8 - Hydraulic Valves (General) Different types of Valves - Features and Operations - IILecture 9 - Hydraulic Circuits and ValvesLecture 10 - Hydraulic Servomechanism and Servo and Proportional Control ValvesLecture 11 - Basic Spool Valve Design AnalysisLecture 12 - General Control Valve AnalysisLecture 13 - Critical Centre Spool Valve AnalysisLecture 14 - Critical Centre Spool Valve Analysis - Stroking ForcesLecture 15 - Proportional Solenoid Pilot Operated Two Stage Pressure Relief ValveLecture 16 - Proportional Solenoid Pilot Operated Two Stage Pressure Relief Valve (Continued...)Lecture 17 - Introduction to Positive Displacement Hydrostatic Units (Hydraulic Pumps and Motors)Lecture 18 - Basic features of some Hydraulic Pumps and MotorsLecture 19 - Analysis of an axial - Piston Swash Plate type Hydrostatic Pump (Discharge Flow Characteristics)Lecture 20 - Analysis of an axial - Piston Swash Plate type Hydrostatic Pump (Estimation of Torque on Drive Shaft and Swash Plate)Lecture 21 - Analysis of an Axial - Piston Swash Plate type Hydrostatic unit (Pressure Ripple and Swash Plate Torque)Lecture 22 - Design Analysis of Gear Pumps - ILecture 23 - Design Analysis of Gear Pumps - IILecture 24 - Basic Concept of Hydrostatic Transmission (HST) SystemLecture 25 - Selection of HST units and componentsLecture 26 - Regenerative CircuitsLecture 27 - Introduction to Fluid LogicLecture 28 - Basic Devices, Symbols and CircuitsLecture 29 - Logic Circuits



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Lecture 30 - Design Analysis of ORBIT Motor - ILecture 31 - Design Analysis of ORBIT Motor - IILecture 32 - Design Analysis of ORBIT Motor - IIILecture 33 - Application and Selection of Accumulators - Part ILecture 34 - Application and Selection of Accumulators - Part IILecture 35 - Hydraulic Circuits in Industrial ApplicationsLecture 36 - Air preparation - Compressor and AccessoriesLecture 37 - Pneumatic CircuitsLecture 38 - Analysis of Three - Way (Spool and Flapper Nozzle Valve)Lecture 39 - Analysis of Flapper Nozzle ValvesLecture 40 - Flow Force Compensation and Spool Design (Electro - hydraulic valves)Lecture 41 - Premier and Guide to Oil - hydraulic fluids ; and Introduction to Fluid Power SymbolsLecture 42 - Symbols in Oil HydraulicsLecture 43 - AppendicesTutorial on Basic Calculation on HST System and Hydraulic Fluids



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NPTEL Video Course - Mechanical Engineering - Machinery fault diagnosis and signal processing

Subject Co-ordinator - Prof. A.R. Mohanty



Lecture 1 - IntroductionLecture 2 - Principles of MaintenanceLecture 3 - Failure Modes Effects and Criticality AnalysisLecture 4 - Fault Diagnostics and PrognosticsLecture 5 - Basics of Machinery VibrationLecture 6 - Engineering Applications of VibrationLecture 7 - RotordynamicsLecture 8 - Time Domain Signal AnalysisLecture 9 - Frequency Domain Signal AnalysisLecture 10 - Computer Aided Data AcquisitionLecture 11 - FFT AnalysisLecture 12 - Modulation and SidebandsLecture 13 - Envelope AnalysisLecture 14 - Cepstrum AnalysisLecture 15 - Order AnalysisLecture 16 - Basics of InstrumentationLecture 17 - Sensors and TransducersLecture 18 - Data Recording and TransmissionLecture 19 - Vibration TransducersLecture 20 - Vibration MonitoringLecture 21 - Basics of Noise and Noise MonitoringLecture 22 - Numericals in Noise Vibration and Data AcquisitionLecture 23 - Unbalance DetectionLecture 24 - Field BalancingLecture 25 - Misalignment DetectionLecture 26 - Cracked Shaft DetectionLecture 27 - Looseness and Rub DetectionLecture 28 - Ball and Journal BearingsLecture 29 - Gear Fault Detection



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Lecture 30 - Fans, Blowers and CompressorsLecture 31 - Pumps and TurbinesLecture 32 - Contaminant AnalysisLecture 33 - Oil AnalysisLecture 34 - Fault Detection in Motors and TransformersLecture 35 - Motor Current Signature AnalysisLecture 36 - ThermographyLecture 37 - UltrasonicsLecture 38 - Acoustic Emission and Eddy Current TestingLecture 39 - Radiography,Dye Penetrant Test and Visual InspectionLecture 40 - Case Studies



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NPTEL Video Course - Mechanical Engineering - Solar Energy Technology

Subject Co-ordinator - Prof. V.V. Satyamurty



Lecture 1 - Energy and Dependence on External Sources and Sun, Physical Descriptions and ReactionsLecture 2 - Sun - Earth GeometryLecture 3 - Terminology Extra - Terrestrial Radiation Terrestria RadiationLecture 4 - Measuring InstrumentsLecture 5 - Estimation of Solar Radiation or DetailsLecture 6 - Radiation Processing - Long TermLecture 7 - Evaluation of the Apparent Sunrise and Sunset AnglesLecture 8 - Estimation of Daily/Monthly Average daily Tilt Factor Under Terrestrial ConditionsLecture 9 - Solar Colector BasicsLecture 10 - Transmission - Absorptance ProductLecture 11 - Daily (Or Monthly Average Daily) Transmittance - Absorptance Product Analytical EvaluationLecture 12 - Theory of Flat Plate Collectors - Liquid Based (A)Lecture 13 - Theory of Flat Plate Collectors - Liquid Based (B)Lecture 14 - Theory of Flat Plate Collectors - Liquid Based (C)Lecture 15 - Mean temperature and Heat Capacity EffectsLecture 16 - Theory of Air Based Solar Flat Plate CollectorsLecture 17 - Theory of Air Based Solar Flat Plate Collectors (Continued.)Lecture 18 - Other Collector GeometriesLecture 19 - Concentrating CollectorsLecture 20 - Concentrating Collectors (Continued.)Lecture 21 - Concentrating Collectors (Continued.)Lecture 22 - Compound Parabolic CollectorsLecture 23 - Exercise - ILecture 24 - Exercise - I (Continued.)Lecture 25 - Device and System PerformanceLecture 26 - Long Term Solar Energy System PerformanceLecture 27 - Exercise - I (Continued.)Lecture 28 - Long Term Solar Energy System Performance Simplified Design MethodsLecture 29 - Long Term Solar Energy System Performance Simplified Design Methods (Continued.)



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Lecture 30 - Monthly Average Daily UtilizabilityLecture 31 - The phi(bar) - f chart method (Continued.)Lecture 32 - The phi(bar) - f chart method Tank Losses and Finite Heat ExchangerLecture 33 - Exercise - 2Lecture 34 - Exercise - 2 (Continued.)Lecture 35 - Exercise - 2 (Continued.)Lecture 36 - Economic AnalysisLecture 37 - Life Cycle SavingsLecture 38 - Passive DevicesLecture 39 - Passive Architecture, Overhangs and Wing WallsLecture 40 - Passive Architecture, Overhangs and Wing Walls (Continued.)Lecture 41 - SummaryLecture 42 - Summary (Continued.)Lecture 43 - Summary (Continued.)



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NPTEL Video Course - Mechanical Engineering - Technology of Surface Coating

Subject Co-ordinator - Prof. A.K. Chattopadhyay



Lecture 1 - IntroductionLecture 2 - CVD ReactionLecture 3 - Adhesion of Surface CoatingLecture 4 - CVD SystemLecture 5 - CDV of TicLecture 6 - Chemical Vapour Deposition of Nitride CoatingLecture 7 - Chemical Vapour Deposition of Carbo-Nitride CoatingLecture 8 - Chemical Vapour Deposition of CromiumLecture 9 - Chemical Vapour Deposition of Aluminium OxideLecture 10 - Chemical Vapour Deposition of DiamondLecture 11 - Vacuum Evaporation DepositionLecture 12 - Reactive Evaporation DepositionLecture 13 - Cathodic Arc Evaporation DepositionLecture 14 - SputteringLecture 15 - Magnetron SputteringLecture 16 - Unbalanced Magnetron SputteringLecture 17 - Radio frequency and pulsed DC sputteringLecture 18 - Sputter Deposition of Nitride CoatingLecture 19 - Sputter Deposition of Molybdenum Di Sulphide CoatingLecture 20 - Influence of Architecture of Sputter Deposited Molybdenum Di Sulphide CoatingLecture 21 - Electro Plating,Anodizing and Electro-Less PlatingLecture 22 - Coating of Monolayer Abrasive Grain by Electro PlatingLecture 23 - Mechansim of WettingLecture 24 - Coating on Ceramics by WettingLecture 25 - Coating of Monolayer Abrasive Grain by WettingLecture 26 - Coating on Abrasive GrainLecture 27 - Combustion Spray ProcessLecture 28 - Plasma Spray ProcessLecture 29 - Mechanical, Chemical and Ion-Assisted Method



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Lecture 30 - Combustion Spray ProcessLecture 31 - Production of Low VacuumLecture 32 - Production of High VacuumLecture 33 - Measurement of Low Pressure and Gas Flow in Coating Deposition SystemLecture 34 - Physical CharacterizationLecture 35 - Assessment of Coating HardnessLecture 36 - Assessment of Friction and Wear of CoatingLecture 37 - Assessment of Surface Roughness and Thickness of CoatingLecture 38 - Assessment of Adhesion of CoatingLecture 39 - Performance Evaluation of TiN Coated ToolLecture 40 - Performance Evaluation of HFCVD Diamond Coated Tool



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NPTEL Video Course - Mechanical Engineering - Vibration of Structures

Subject Co-ordinator - Prof. A. Dasgupta



Lecture 1 - Transverse Vibrations of Strings - ILecture 2 - Transverse Vibrations of Strings - IILecture 3 - Axial and Torsional Vibrations of BarsLecture 4 - Variational Formulation - ILecture 5 - Variational Formulation - IILecture 6 - Modal Analysis - ILecture 7 - Modal Analysis - IILecture 8 - Properties of the Eigenvalue ProblemLecture 9 - Modal AnalysisLecture 10 - Modal AnalysisLecture 11 - The Initial Value ProblemLecture 12 - Forced Vibration Analysis - ILecture 13 - Forced Vibration Analysis - IILecture 14 - Forced Vibration Analysis - IIILecture 15 - Damping in StructuresLecture 16 - Axially Translating StringsLecture 17 - d' Alembert's Solution - ILecture 18 - d' Alembert's Solution - IILecture 19 - Harmonic Waves and Energetics of Wave MotionLecture 20 - Scattering of WavesLecture 21 - Applications of Wave Solution - ILecture 22 - Applications of Wave Solution - IILecture 23 - Beam Models - ILecture 24 - Beam Models - IILecture 25 - Modal Analysis of BeamsLecture 26 - Applications of Modal SolutionLecture 27 - Approximate MethodsLecture 28 - Topic in Beam Vibration - ILecture 29 - Topic in Beam Vibration - II



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Lecture 30 - Wave Propagation in BeamsLecture 31 - Dynamics of Curved BeamsLecture 32 - Vibrations of Rings and ArchesLecture 33 - Dynamics of MembranesLecture 34 - Vibrations of Rectangular MembraneLecture 35 - Vibrations of Circular MembraneLecture 36 - Special Problems in Membrane VibrationsLecture 37 - Dynamics of PlatesLecture 38 - Vibrations of Rectangular PlatesLecture 39 - Vibrations of Circular PlatesLecture 40 - Special Problems in Plate Vibrations



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NPTEL Video Course - Mechanical Engineering - Basic Thermodynamics

Subject Co-ordinator - Prof. S.K. Som



Lecture 1 - Introduction and Fundamental ConceptsLecture 2 - Zeroth Law and Fundamental ConceptsLecture 3 - Different Kind of Energy and First Low - ILecture 4 - First Low - IILecture 5 - First Low - IIILecture 6 - Second Law and Its Corollaries - ILecture 7 - Second Law and Its Corollaries - IILecture 8 - Second Law and Its Corollaries - IIILecture 9 - Second Law and Its Corollaries - IVLecture 10 - Second Law and Available Energy - ILecture 11 - Second Law and Available Energy - IILecture 12 - Second Law and Available Energy - IIILecture 13 - Thermodynamic Property Relations - ILecture 14 - Thermodynamic Property Relations - IILecture 15 - Joule-Kelvin ExpansionLecture 16 - Properties of Pure Substances - ILecture 17 - Properties of Pure Substances - IILecture 18 - Properties of Pure SubstancesLecture 19 - Properties of Ideal GasesLecture 20 - Vapors Power Cycle - ILecture 21 - Vapor Power Cycle - IILecture 22 - Vapor Power Cycle - IIILecture 23 - Vapor Power Cycle - IVLecture 24 - Gas Power Cycle - ILecture 25 - Gas Power Cycle - IILecture 26 - Gas Power Cycle - IIILecture 27 - Thermodynamics of Reacting System - ILecture 28 - Thermodynamics of Reacting System - IILecture 29 - Thermodynamics of Reacting System - III



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Lecture 30 - Thermodynamics of Multi Component System - ILecture 31 - Thermodynamics of Multi Component System - IILecture 32 - Thermodynamics of Multi Component System - III



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NPTEL Video Course - Mechanical Engineering - Design of Machine Elements I

Subject Co-ordinator - Prof. G. Chakraborty, Prof. B. Maiti, Prof. S.K. Roychowdhury



Lecture 1 - Design PhilosophyLecture 2 - Design And ManufacturingLecture 3 - Engineering MaterialsLecture 4 - Engineering MaterialsLecture 5 - Simple Stresses In Machine ElementsLecture 6 - Simple Stresses In Machine ElementsLecture 7 - Compound Stresses In Machine ElementsLecture 8 - Design For StrengthLecture 9 - Design for StrengthLecture 10 - Design For StrengthLecture 11 - Design for StrengthLecture 12 - Design for StrengthLecture 13 - Design of Fasteners - ILecture 14 - Design of Fasteners - IILecture 15 - Design Of Keys and SplinesLecture 16 - Threaded FastenersLecture 17 - Design Of Threaded FastenersLecture 18 - Power ScrewsLecture 19 - Design Of Power ScrewsLecture 20 - Shaft Coupling - ILecture 21 - Shaft Coupling - IILecture 22 - Rivet JointsLecture 23 - Design of Welded Joints - ILecture 24 - Design of Welded Joints - IILecture 25 - Design of Joints With Eccentric LoadingLecture 26 - Design of Joints With Variable LoadingLecture 27 - Design of SpringsLecture 28 - Design Of SpringsLecture 29 - Design Of Springs



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Lecture 30 - Belt DrivesLecture 31 - Belt DrivesLecture 32 - Belt DrivesLecture 33 - Design for StrengthLecture 34 - Design of ShaftsLecture 35 - Design of Machine Elements - I (V & W)Lecture 36 - Design of Machine Elements - II (V & W)Lecture 37 - Design of Cylinders & Pressure Vessels - IILecture 38 - Design of Cylinders & Pressure Vessels - IIILecture 39 - Design of Brakes - ILecture 40 - Design of Brakes - II



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NPTEL Video Course - Mechanical Engineering - Manufacturing Processes II

Subject Co-ordinator - Prof. S. Paul, Prof. A.B. Chattopadhyay, Prof. A.K. Chattopadhyay



Lecture 1 - Instructional Objectives - I (Manufacturing Process II)Lecture 2 - Instructional Objectives - IILecture 3 - On Tool GeometryLecture 4 - Interrelations Among The Tool AnglesLecture 5 - Mechanism of Chip FormationLecture 6 - Orthogonal and Oblique CuttingLecture 7 - Use of Chip Breaker in MachiningLecture 8 - Machining ForcesLecture 9 - Analytical and ExperimentalLecture 10 - Dynamometers for Measuring Cutting ForcesLecture 11 - CTCEACLecture 12 - CCTCFALecture 13 - Concept of Machinability and its ImprovementLecture 14 - Tool LifeLecture 15 - Conventional Cutting Tool MathsLecture 16 - Advanced Tool MaterialsLecture 17 - Kinematics System of Centre LatheLecture 18 - General Purpose Machine Tool DrillsLecture 19 - Kinematic Systems and OperationsLecture 20 - Configuration and Kinematic SystemLecture 21 - Mounting of jobs and Cutting Tools in MachineLecture 22 - Mounting of jobs and Cutting Tools in MachineLecture 23 - Construction, Operation and Tool LayoutLecture 24 - Use of Attachments In Machine ToolsLecture 25 - Forces Developing and Acting In Machine ToolsLecture 26 - Estimation of Machining TimeLecture 27 - Broaching - Principle Systems and ApplicationsLecture 28 - Grinding Principle and ApplicationLecture 29 - Abrasive Processes



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Lecture 30 - Abrasive Processes (Grinding)Lecture 31 - Super finishing ProcessesLecture 32 - Production of Screw ThreadsLecture 33 - Gear ManufacturingLecture 34 - Jigs and Fixtures For Machine ShopsLecture 35 - Design and Applications of Jigs and FixturesLecture 36 - Non Traditional ManufacturingLecture 37 - Ultrasonic MachiningLecture 38 - Water Jet Machining and Abrasive Water JetLecture 39 - Electro - Chemical MachiningLecture 40 - Electro - Discharge MachiningLecture 41 - EBM and LBM



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NPTEL Video Course - Mechanical Engineering - Refrigeration and Air Conditioning

Subject Co-ordinator - Prof. M. Ramgopal, Prof. R.C. Arora



Lecture 1 - History of RefrigerationLecture 2 - Refrigerant Compressors & DevelopmentLecture 3 - Applications of RTACLecture 4 - Review of Fundamentals Thermodynamics - ILecture 5 - Review of FundamentalsLecture 6 - Fundamentals of Fluid FlowLecture 7 - Fundamentals of Heat TransferLecture 8 - Methods of Producing low TemperaturesLecture 9 - Air Cycle Refrigeration SystemsLecture 10 - Vapour Compression Refrigeration SystemsLecture 11 - Vapour Compression Refrigeration Systems (Continued...)Lecture 12 - Vapour Compression Refrigeration Systems (Continued...)Lecture 13 - Vapour Compression Refrigeration Systems (Continued...)Lecture 14 - Vapour Absorption Refrigeration SystemsLecture 15 - Vapour Absorption Refrigeration SystemLecture 16 - Vapour Absorption Refrigeration Systems (Continued...)Lecture 17 - Vapour Absorption Refrigeration Systems (Continued...)Lecture 18 - Worked Out Examples - ILecture 19 - Worked Out Examples - IILecture 20 - Refrigeration System ComponentsLecture 21 - Refrigeration System ComponentsLecture 22 - Refrigeration System ComponentsLecture 23 - Refrigeration System ComponentsLecture 24 - Refrigeration System ComponentsLecture 25 - Refrigeration System ComponentsLecture 26 - Refrigeration System ComponentsLecture 27 - Refrigeration System ComponentsLecture 28 - Refrigeration System ComponentsLecture 29 - Refrigeration System Components



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Lecture 30 - Refrigeration System ComponentsLecture 31 - Refrigeration System ComponentsLecture 32 - Analysis of Complete Vapour Compression SystemLecture 33 - RefrigerantsLecture 34 - PsychrometryLecture 35 - Psychrometric ProcessesLecture 36 - Inside Design Condition Thermal ComfortLecture 37 - Psychrometry of Air Conditioning SystemsLecture 38 - Air Conditioning SystemsLecture 39 - Cooling and Heating Load CalculationLecture 40 - Cooling and Heating Load CalculationsLecture 41 - Cooling and Heating Load Calculations (Continued...)Lecture 42 - Cooling and Heating Load Calculations (Continued...)Lecture 43 - Selection of Air Conditioning SystemsLecture 44 - Transmission and Distribution of AirLecture 45 - Transmission and Distribution of Air (Continued..)Lecture 46 - Space Air Distribution



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NPTEL Video Course - Mechanical Engineering - Fluid Mechanics




Lecture 1 - Introduction and Fundamental Concepts - Part ILecture 2 - Introduction and Fundamental Concepts - Part IILecture 3 - Introduction and Fundamental Concepts - Part IIILecture 4 - Fluid Statics - Part ILecture 5 - Fluid Statics - Part IILecture 6 - Fluid Statics - Part IIILecture 7 - Fluid Statics - Part IVLecture 8 - Fluid Statics - Part VLecture 9 - Fluid Statics - Part VILecture 10 - Kinematics of Fluid - Part ILecture 11 - Kinematics of Fluid - Part IILecture 12 - Kinematics of Fluid - Part IIILecture 13 - Conservation Equations in Fluid Flow - Part ILecture 14 - Conservation Equations in Fluid Flow - Part IILecture 15 - Conservation Equations in Fluid Flow - Part IIILecture 16 - Conservation Equations in Fluid Flow - Part IVLecture 17 - Conservation Equations in Fluid Flow - Part VLecture 18 - Conservation Equations in Fluid Flow - Part VILecture 19 - Conservation Equations in Fluid Flow - Part VIILecture 20 - Conservation Equations in Fluid Flow - Part VIIILecture 21 - Conservation Equations in Fluid Flow - Part IXLecture 22 - Fluid Flow Applications - Part ILecture 23 - Fluid Flow Applications - Part IILecture 24 - Fluid Flow Applications - Part IIILecture 25 - Fluid Flow Applications - Part IVLecture 26 - Fluid Flow Applications - Part VLecture 27 - Fluid Flow Applications - Part VILecture 28 - Fluid Flow Applications - Part VIILecture 29 - Incompressible Viscous Flows - Part I



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Lecture 30 - Incompressible Viscous Flows - Part IILecture 31 - Incompressible Viscous Flows - Part IIILecture 32 - Incompressible Viscous Flows - Part IVLecture 33 - Application of ViscousFlow Through Pipes - Part ILecture 34 - Application of ViscousFlow Through Pipes - Part IILecture 35 - Application of ViscousFlow Through Pipes - Part IIILecture 36 - Principles of Similarity - Part ILecture 37 - Principles of Similarity - Part IILecture 38 - Principles of Similarity - Part IIILecture 39 - Flow of Ideal Fluids - Part ILecture 40 - Flow of Ideal Fluids - Part IILecture 41 - Flows with a Free Surface - Part ILecture 42 - Flows with a Free Surface - Part IILecture 43 - Flows with a Free Surface - Part IIILecture 44 - A Few Unsteady Flow Phenomena in Practice - Part ILecture 45 - A Few Unsteady Flow Phenomena in Practice - Part IILecture 46 - Introduction to Laminar Boundary Layer - Part ILecture 47 - Introduction to Laminar Boundary Layer - Part IILecture 48 - Introduction to Turbulent Flow - Part ILecture 49 - Introduction to Turbulent Flow - Part II



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NPTEL Video Course - Mechanical Engineering - Introduction to Fluid Machines and Compressible Flow




Lecture 1 - Introduction to Fluid Machines 1Lecture 2 - Energy Transfer in Fluid Machines Part - ILecture 3 - Energy Transfer in Fluid Machines Part - IILecture 4 - Energy Transfer - impulse and Reaction Machines, efficiencies of Fluid MachinesLecture 5 - Principles of Similarity in Fluid MachinesLecture 6 - Concept of specific speed and introduction to Impulse Hydraulic TurbineLecture 7 - Analysis of force on the Bucket of Pelton wheel and Power GenerationLecture 8 - Specific speed, Governing and Limitation of a Pelton TurbineLecture 9 - Introduction to reaction Type of Hydraulic Turbine - A Francis TurbineLecture 10 - Analysis of Force on Francis Runner and Power GenerationLecture 11 - Axial Flow Machine and Draft TubeLecture 12 - Governing of Reaction TurbineLecture 13 - Introduction to Rotodynamic PumpsLecture 14 - Flow and Energy Transfer in a Centrifugal PumpLecture 15 - Characteristics of a Centrifugal PumpLecture 16 - Matching of Pump and System CharacteristicsLecture 17 - Diffuser and CavitationLecture 18 - Axial Flow PumpLecture 19 - Reciprocating Pump - Part ILecture 20 - Reciprocating Pump - Part IILecture 21 - Centrifugal Compressor - Part ILecture 22 - Centrifugal Compressor - Part IILecture 23 - Centrifugal Compressor - Part IIILecture 24 - Axial Flow Compressor - Part ILecture 25 - Axial Flow Compressor - Part IILecture 26 - Introduction to Compressible Flow - Part ILecture 27 - Introduction to Compressible Flow - Part IILecture 28 - Thermodynamic Relations and Speed of SoundLecture 29 - Disturbance propagation, Stagnation and Sonic Properties



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Lecture 30 - Effects of Area Variation on Properties in an Isentropic FlowLecture 31 - Choking in a Converging NozzleLecture 32 - Isentropic Flow through Convergent - Divergent DuctLecture 33 - Normal Shock - Part ILecture 34 - Normal Shock - Part IILecture 35 - Normal Shock - Part IIILecture 36 - Normal Shock - Part IVLecture 37 - Normal Shock - Part VLecture 38 - Oblique Shock - Part ILecture 39 - Oblique Shock - Part IILecture 40 - Introduction to Expansion Wave and Prandtl Meyer Flow



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NPTEL Video Course - Mechanical Engineering - Introduction to Fluid Mechanics and Fluid Engineering




Lecture 1 - Introductory ConceptsLecture 2 - Introductory Concepts (Continued...)Lecture 3 - Introductory Concepts (Continued...)Lecture 4 - ViscosityLecture 5 - Viscosity (Continued...)Lecture 6 - Viscosity (Continued...) and Surface TensionLecture 7 - Surface Tension (Continued...) and Fluid StaticsLecture 8 - Fluid Statics (Continued...)Lecture 9 - Fluid Statics (Continued...)Lecture 10 - Fluid Statics (Continued...) and Fluid Under Rigid Body MotionLecture 11 - Fluid KinematicsLecture 12 - Fluid Kinematics (Continued...)Lecture 13 - Fluid Kinematics (Continued...)Lecture 14 - Fluid Kinematics (Continued...)Lecture 15 - Fluid Kinematics (Continued...)Lecture 16 - Dynamics of Inviscid FlowsLecture 17 - Dynamics of Inviscid Flows (Continued...)Lecture 18 - Dynamics of Inviscid Flows (Continued...)Lecture 19 - Dynamics of Inviscid Flows (Continued...)Lecture 20 - Dynamics of Inviscid Flows (Continued...)Lecture 21 - Integral Forms of Control Volume Conservation Equations (Reynolds Transport Theorem)Lecture 22 - Integral Forms of Control Volume Conservation Equations (Reynolds Transport Theorem) (Continued...)Lecture 23 - Integral Forms of Control Volume Conservation Equations (Reynolds Transport Theorem) (Continued...)Lecture 24 - Integral Forms of Control Volume Conservation Equations (Reynolds Transport Theorem) (Continued...)Lecture 25 - Integral Forms of Control Volume Conservation Equations (Reynolds Transport Theorem) (Continued...)Lecture 26 - Integral Forms of Control Volume Conservation Equations (Reynolds Transport Theorem) (Continued...)Lecture 27 - Integral Forms of Control Volume Conservation Equations (Reynolds Transport Theorem) (Continued...)Lecture 28 - Dynamics of Viscous FlowsLecture 29 - Dynamics of Viscous Flows



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Lecture 30 - Some Exact Solutions of Navier Stokes EquationLecture 31 - Some Exact Solutions of Navier Stokes Equation (Continued...)Lecture 32 - Some Exact Solutions of Navier Stokes Equation (Continued...)Lecture 33 - Introduction to TurbulenceLecture 34 - Introduction to Turbulence (Continued...)Lecture 35 - Introduction to Turbulence (Continued...)Lecture 36 - Introduction to Turbulence (Continued...)Lecture 37 - Boundary Layer TheoryLecture 38 - Boundary Layer Theory (Continued...)Lecture 39 - Boundary Layer Theory (Continued...)Lecture 40 - Boundary Layer Theory (Continued...) and Flow Past Immersed BodiesLecture 41 - Flow past Immersed Bodies (Continued...)Lecture 42 - Potential Flow Past Immersed BodiesLecture 43 - Potential Flow (Continued...) and Flow Past Immersed Bodies of Special ShapesLecture 44 - Flow Past Immersed Bodies (Continued...) and Sports Ball AerodynamicsLecture 45 - Pipe FlowLecture 46 - Pipe Flow (Continued...)Lecture 47 - Pipe Flow (Continued...)Lecture 48 - Principles of Similarity and Dimensional AnalysisLecture 49 - Introduction to Fluid MachinesLecture 50 - Introduction to Fluid Machines (Continued...)Lecture 51 - Introduction to Fluid Machines (Continued...)Lecture 52 - Introduction to Fluid Machines (Continued...)Lecture 53 - Introduction to Fluid Machines (Continued...)Lecture 54 - Compressible FlowsLecture 55 - Compressible Flows (Continued...)Lecture 56 - Compressible Flows (Continued...)Lecture 57 - Compressible Flows (Continued...)Lecture 58 - Compressible Flows (Continued...)



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NPTEL Video Course - Mechanical Engineering - Micro fluidics




Lecture 1 - Introduction to MicrofluidicsLecture 2 - MicrofluidicsLecture 3 - MicrofluidicsLecture 4 - Equations of ConservationLecture 5 - Navier Stokes EquationLecture 6 - Navier Stokes Equation (Continued...)Lecture 7 - Energy EquationLecture 8 - Energy Equation (Continued...) and Species Conservation EquationLecture 9 - Pressure-driven MicroflowsLecture 10 - Pressure-driven Microflows (Continued...)Lecture 11 - Pressure-driven Microflows (Continued...)Lecture 12 - Pressure-driven Microflows (Continued...)Lecture 13 - Pressure -driven Microflows (Continued...)Lecture 14 - Some Examples of Unsteady FlowsLecture 15 - Some Examples of Unsteady Flows (Continued...)Lecture 16 - Some Examples of Unsteady Flows (Continued...)Lecture 17 - Stokes Drag on a SphereLecture 18 - Stokes Drag on a Sphere (Continued...) and Introduction to Lubrication TheoryLecture 19 - Lubircation Theory (Continued...)Lecture 20 - Lubrication Theory (Continued...)Lecture 21 - Boundary Condition in Fluid MechanicsLecture 22 - Boundary Condition in Fluid MechanicsLecture 23 - Surface Tension Driven FlowsLecture 24 - Surface Tension Driven Flows (Continued...)Lecture 25 - Surface Tension Driven Flows (Continued...)Lecture 26 - Surface Tension Driven Flows (Continued...)Lecture 27 - Surface Tension Driven Flows (Continued...) and Modulating Surface TensionLecture 28 - Modulating Surface Tension (Continued...)Lecture 29 - Thin Film Dynamics



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Lecture 30 - Thin Film Dynamics (Continued...)Lecture 31 - Thin Film Dynamics (Continued...)Lecture 32 - Thin Film Dynamics (Continued...)Lecture 33 - Lab on a CDLecture 34 - Lab on a CD (Continued...)Lecture 35 - Introduction to MicrofabricationLecture 36 - ElectrokineticsLecture 37 - Electrokinetics (Continued...)Lecture 38 - Electrokinetics (Continued...)Lecture 39 - Electrokinetics (Continued...)Lecture 40 - Electrokinetics (Continued...)Lecture 41 - Electrokinetics (Continued...)Lecture 42 - DispersionLecture 43 - Introduction to NanofluidicsLecture 44 - Introduction to Nanofluidics (Continued...) and Molecular Dynamics SimulationsLecture 45 - Introduction to Molecular Dynamics Simulations (Continued...)Lecture 46 - BiomicrofluidicsLecture 47 - Biomicrofluidics (Continued...)Lecture 48 - Nanofluidic Energy Conversion



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NPTEL Video Course - Mechanical Engineering - NOC:Conduction and Convection Heat Transfer

Subject Co-ordinator - Prof. S.K. Som, Prof. S. Chakraborty



Lecture 1 - Introduction and Fundamental Concepts - ILecture 2 - Introduction and Fundamental Concepts - IILecture 3 - Heat Conduction EquationLecture 4 - Heat Conduction Equation and Different Types of Boundary ConditionsLecture 5 - 1D Steady State Heat Conduction In Plane Wall Without Generation of Thermal EnergyLecture 6 - 1D Steady State Heat Conduction In Plane Wall With Generation of Thermal EnergyLecture 7 - Problems on 1D Steady State Heat Conduction In Plane WallLecture 8 - 1D Steady State Heat Conduction In Cylindrical GeometryLecture 9 - 1D Steady State Heat Conduction In Cylindrical Geometry (Continued...)Lecture 10 - 1D Steady State Heat Conduction in Spherical GeometryLecture 11 - Hear Transfer from Extended Surfaces (Fins)Lecture 12 - Hear Transfer from Extended Surfaces (Continued...)Lecture 13 - Two-dimensional Steady State Heat ConductionLecture 14 - Unsteady State Heat ConductionLecture 15 - Unsteady State Heat Conduction (Continued...)Lecture 16 - One Dimensional Unsteady State Heat Conduction - ILecture 17 - One Dimensional Unsteady State Heat Conduction - IILecture 18 - Introduction to ConvectionLecture 19 - Convection - ILecture 20 - Review of Fluid Mechanics - ILecture 21 - Review of Fluid Mechanics - IILecture 22 - Review of Fluid Mechanics - IIILecture 23 - Review of Fluid Mechanics - IVLecture 24 - Review of Fluid Mechanics - VLecture 25 - Review of Fluid Mechanics - VILecture 26 - Review of Fluid Mechanics - VIIILecture 27 - Energy Equation - ILecture 28 - Energy Equation - II and Thermal Boundary Layer - ILecture 29 - Thermal Boundary Layer - II



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Lecture 30 - Integral Method for Thermal BL AnalysisLecture 31 - Internal Forced Convection - ILecture 32 - Internal Forced Convection - IILecture 33 - Internal Forced Convection - IIILecture 34 - Internal Forced Convection - IVLecture 35 - Free Convection - I (Natural Convection)Lecture 36 - Free Convection - II (Natural Convection)Lecture 37 - Boiling and Condensation - ILecture 38 - Boiling and Condensation - IILecture 39 - Heat Exchanger - ILecture 40 - Heat Exchanger - IILecture 41 - Heat Exchanger - II (Continued...)



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NPTEL Video Course - Mechanical Engineering - NOC:Vibrations of Structures




Lecture 1 - Transverse Vibrations of Strings - ILecture 2 - Transverse Vibrations of Strings - IILecture 3 - Axial and Torsional Vibrations of BarsLecture 4 - Variational Formulation - ILecture 5 - Variational Formulation - IILecture 6 - Modal Analysis - ILecture 7 - Modal Analysis - IILecture 8 - Properties of the Eigenvalue ProblemLecture 9 - Modal AnalysisLecture 10 - Modal AnalysisLecture 11 - The Initial Value ProblemLecture 12 - Forced Vibration Analysis - ILecture 13 - Forced Vibration Analysis - IILecture 14 - Forced Vibration Analysis - IIILecture 15 - Dumping in Structures - ILecture 16 - Damping in Structures - IILecture 17 - Beam Models - ILecture 18 - Beam Models - IILecture 19 - Modal Analysis of BeamsLecture 20 - Application of Modal SolutionLecture 21 - Approximate MethodsLecture 22 - Topics in Beam Vibrations - ILecture 23 - Topics in Beam Vibrations - IILecture 24 - Dynamics of Curved BeamsLecture 25 - Vibrations of Rings and Arches - ILecture 26 - Vibrations of Rings and Arches - IILecture 27 - Dynamics of MembranesLecture 28 - Vibrations of Rectangular MembranesLecture 29 - Vibrations of Circular Membranes - I



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Lecture 30 - Vibrations of Circular Membranes - IILecture 31 - Dynamics of PlatesLecture 32 - Vibrations of Rectangular PlatesLecture 33 - Vibrations of Circular PlatesLecture 34 - Special Problems in Plate Vibrations - ILecture 35 - Special Problems in Plate Vibrations - II



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NPTEL Video Course - Mechanical Engineering - NOC:Fluid Machines




Lecture 1 - Definition of Fluid Machines and Energy Transfer in Fluid Machines - Part ILecture 2 - Energy Transfer in Fluid Machines - Part IILecture 3 - Impulse and Reaction MachinesLecture 4 - Principles of Similarity in Fluid MachineLecture 5 - Concept of Specific SpeedLecture 6 - Basic Principles, Analysis of Force and Power Generation - Part ILecture 7 - Basic Principles, Analysis of Force and Power Generation - Part IILecture 8 - Specific Speed Governing and Limitations of Impulse TurbineLecture 9 - Tutorial - ILecture 10 - Tutorial - IILecture 11 - Introduction and Analysis of Force on Francis Turbine (Radial Flow) - Part ILecture 12 - Analysis of Force (Part-II) and Power GenerationLecture 13 - Draft TubeLecture 14 - Tutorial - IIILecture 15 - Tutorial - IVLecture 16 - Axial Flow TurbineLecture 17 - Governing of Reaction TurbineLecture 18 - Introduction to Rotodynamic PumpsLecture 19 - Flow and Energy Transfer to Centrifugal PumpsLecture 20 - Tutorial - VLecture 21 - Characteristics of a Centrifugal PumpLecture 22 - Matching of Pump and System CharacteristicsLecture 23 - Diffuser and CavitationLecture 24 - Tutorial - VILecture 25 - Tutorial - VIIILecture 26 - Axial Flow PumpLecture 27 - Reciprocating Pump - Part ILecture 28 - Reciprocating Pump - Part IILecture 29 - Tutorial - VIII



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Lecture 30 - Basic Principles and Energy Transfer in Centrifugal Compressor - Part ILecture 31 - Basic Principles and Energy Transfer in Centrifugal Compressor - Part IILecture 32 - Basic Principles and Energy Transfer in Centrifugal Compressor - Part IIILecture 33 - Basic Principles and Energy Transfer in Centrifugal Compressor - Part IV and Losses in Centrifugal CompressorsLecture 34 - Performance Characteristics of Centrifugal Compressors - Part ILecture 35 - Performance Characteristics of Centrifugal Compressors - Part IILecture 36 - Basic Principles and Energy Transfer in Axial Flow Compressor - Part ILecture 37 - Basic Principles and Energy Transfer in Axial Flow Compressor - Part IILecture 38 - Fans and Blowers - Part ILecture 39 - Fans and Blowers - Part II



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NPTEL Video Course - Mechanical Engineering - NOC:Computer numerical control (CNC) of machine tools and processes

Subject Co-ordinator - Prof. Asimava Roy Choudhury



Lecture 1 - Introduction to computer control Â� role of computers in automationLecture 2 - Introduction (Continued...) - binary logic and logic gatesLecture 3 - Classification of Computer numerical control (CNC) Â� Point to point and continuous controlLecture 4 - Classification (Continued...) - Closed loop and open loop controlLecture 5 - Tutorial involving simple calculations on different aspects of CNC controlsLecture 6 - Questions, MCQ Discussions on Motors, Encoders, Decoders and Programming PracticeLecture 7 - Stepper motors, Permanent magnet DC motorsLecture 8 - Binary circuits and decodersLecture 9 - Tachogenerator, printed circuit motors, EncodersLecture 10 - Programming Practice - ILecture 11 - Programming Practice - IILecture 12 - Computer Aided Offline ProgrammingLecture 13 - Interpolators - LinearLecture 14 - Interpolators - CurvilinearLecture 15 - Questions on Programming and InterpolationLecture 16 - 3-D Machining - Basic ConceptsLecture 17 - Curved Surface GeometryLecture 18 - Cutter Path Generation for Curved SurfacesLecture 19 - Cutter Path Generation (Concluding Part) and Current Status - CNC Machining and Related ProcessesLecture 20 - Questions and Discussions on Curved Surface Machining



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NPTEL Video Course - Mechanical Engineering - NOC:Non Traditional Abrasive Machining Processes - Ultrasonic, Abrasive Jet and Abrasive Water Jet Machining




Lecture 1 - Non-traditonal abrasive machiningLecture 2 - Ultrasonic MachiningLecture 3 - Ultrasonic Machining (Continued...)Lecture 4 - Utrrasonic Machining - Free Impacts and Problem SolvingLecture 5 - Ultrasonic Machining - Problems and MCQsLecture 6 - USM - Horn DesignLecture 7 - USM - Horn Design (Continued...)Lecture 8 - Ultrasonic Machining - Feed Mechanism, Head design and other aspectsLecture 9 - Ultrasonic Machining - Effects of Various Inputs on the OutputLecture 10 - Ultrasonic Machining - Numerical and MCQsLecture 11 - A JM (Abrasive jet machining)Lecture 12Lecture 13 - A JM - Numerical problemsLecture 14 - A JM - Process Parameters and Response Characteristics take - home assignment discussingLecture 15 - A JM - MCQsLecture 16Lecture 17 - AWJM - EquipmentLecture 18 - AWJM - Numerical ProblemsLecture 19 - AWJM - Application Equipment DetailsLecture 20 - AWJM - MCQs



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NPTEL Video Course - Mechanical Engineering - NOC:Introduction to Fluid Mechanics

Subject Co-ordinator - Dr. Suman Chakraborty



Lecture 1 - Lagrangian and Eulerian Approach, Types of fluid flowLecture 2 - Streamlines, Streakline and PathlineLecture 3 - Acceleration of fluid flowLecture 4 - Deformation and Conservation of mass of fluid a elementLecture 5 - Angular deformation of a fluid element, vorticity and streamfunction and velocity potentialLecture 6 - Eulerâ��s equationLecture 7 - Bernoulliâ��s equation - Part ILecture 8 - Kinematic viscosity, Reynolds numberLecture 9 - Non-Newtonian fluidsLecture 10 - Problems and SolutionsLecture 11 - Problems and SolutionsLecture 12 - Surface Tension - Part ILecture 13 - Surface Tension - Part IILecture 14 - Governing equation of fluid staticsLecture 15 - ManometersLecture 16 - Force on a surface immersed in fluid - Part ILecture 17 - Force on a surface immersed in fluid - Part IILecture 18 - Force on a surface immersed in fluid - Part III, Stability of solid bodies in fluid - Part ILecture 19 - Stability of solid bodies in fluid - Part IILecture 20 - Fluid under rigid body motionLecture 21 - Lagrangian and Eulerian approachesLecture 22 - Concept of different flow linesLecture 23 - Acceleration of fluid flowLecture 24 - Deformation of fluid elements - Part ILecture 25 - Derivation of continuity equationLecture 26 - Problems and SolutionsLecture 27 - Deformation of fluid elements - Part IILecture 28 - Deformation of fluid elements - Part IIILecture 29 - Stream Function



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Lecture 30 - Circulation, Velocity PotentialLecture 31 - Eulerâ��s equationLecture 32 - Bernoulliâ��s equation - Part ILecture 33 - Bernoulliâ��s equation - Part IILecture 34 - Bernoulliâ��s equation - Part IIILecture 35 - Eulerâ��s equation in streamline coordinatesLecture 36Lecture 37Lecture 38Lecture 39Lecture 40Lecture 41Lecture 42Lecture 43Lecture 44Lecture 45Lecture 46Lecture 47Lecture 48Lecture 49Lecture 50Lecture 51 - Navier-Stokes equation - Part ILecture 52 - Navier-Stokes equation - Part IILecture 53 - Navier-Stokes equation - Part IIILecture 54 - Navier-Stokes equation - Part IVLecture 55 - Pipe Flow - Part ILecture 56 - Pipe Flow - Part IILecture 57 - Pipe Flow - Part IIILecture 58 - Pipe Flow - Part IVLecture 59 - Principle of Similarity and Dynamical Analysis - Part ILecture 60 - Principle of Similarity and Dynamical Analysis - Part II



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NPTEL Video Course - Mechanical Engineering - NOC:Spur and Helical Gear Cutting




Lecture 1 - IntroductionLecture 2 - Simple Gear CalculationsLecture 3 - Gear GeometryLecture 4 - Helical Gear ProblemsLecture 5 - Numerical Problem MCQLecture 6 - Numerical Problem Milling of Helical GearsLecture 7 - Simple and Compound IndexingLecture 8 - Differential IndexingLecture 9 - Helical Gear Cutting on Milling MachineLecture 10 - Numerical Problems on Gear MillingLecture 11 - Gear Shaping - ILecture 12 - Gear Shaping - IILecture 13 - Gear Shaping - IIILecture 14 - Gear Shaping - IVLecture 15 - Gear Hobbing - ILecture 16 - Gear Hobbing - IILecture 17 - Gear Hobbing - IIILecture 18 - Gear Hobbing - IVLecture 19 - Gear Hobbing - VLecture 20 - Gear Hobbing - VI



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NPTEL Video Course - Mechanical Engineering - NOC:Laws of Thermodynamics

Subject Co-ordinator - Prof. Suman Chakraborty, Prof. S.K. Som



Lecture 1 - Introduction, Definition of System, Properties and State of a SystemLecture 2 - Properties of pure substancesLecture 3 - Properties of pure substances (Continued...)Lecture 4 - Heat and WorkLecture 5 - Tutorial 1Lecture 6 - Zeroth Law of ThermodynamicsLecture 7 - First law of thermodynamics for closed systems - Part ILecture 8 - First law of thermodynamics for closed systems - Part II, some examplesLecture 9 - Tutorial 2Lecture 10 - First law of thermodynamics for open systemsLecture 11 - Tutorial 3Lecture 12 - Second law and its corollaries - Part ILecture 13 - Second law and its corollaries - Part IILecture 14 - Second law and its corollaries - Part IIILecture 15 - Definition of entropy and entropy change in closed systemsLecture 16 - Entropy change in closed systems (Continued...)Lecture 17 - Tutorial 4Lecture 18 - Entropy and its transportLecture 19 - Tutorial 5Lecture 20 - Introduction to Third LawLecture 21 - Review of learning concepts



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NPTEL Video Course - Mechanical Engineering - NOC:Energy Conservation and Waste Heat Recovery

Subject Co-ordinator - Prof. PK Das



Lecture 1 - Introduction to waste heat recoveryLecture 2 - Introduction to waste heat recovery (Continued...)Lecture 3 - Introduction to waste heat recovery (Continued...)Lecture 4 - Introduction to waste heat recovery (Continued...)Lecture 5 - Thermodynamic principles of waste heat recoveryLecture 6 - Thermodynamic principles of waste heat recovery (Continued...)Lecture 7 - Thermodynamic principles of waste heat recovery (Continued...)Lecture 8 - Thermodynamic principles of waste heat recovery (Continued...)Lecture 9 - Reversible CyclesLecture 10 - Reversible Cycles (Continued...)Lecture 11 - EntropyLecture 12 - Entropy (Continued...)Lecture 13 - Entropy (Continued...), ExergyLecture 14 - Exergy, Second Law efficiencyLecture 15 - Second Law efficiency (Continued...)Lecture 16 - Recapitulation of common power cyclesLecture 17 - Recapitulation of common power cycles (Continued...)Lecture 18 - Recapitulation of common power cycles (Continued...)Lecture 19 - Recapitulation of common power cycles (Continued...)Lecture 20 - Recapitulation of common power cycles (Continued...)Lecture 21 - Recapitulation of common power cycles (Continued...)Lecture 22 - Gas Turbine cycleLecture 23 - Combined cycleLecture 24 - Combined cycle (Continued...)Lecture 25 - Combined Cycle (Continued...)Lecture 26 - Heat recovery steam generatorLecture 27 - Thermodynamic cycles for low temperature applicationLecture 28 - Thermodynamic cycles for low temperature application (Continued...), CogenerationLecture 29 - Heat Exchanger



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Lecture 30 - Heat Exchanger (Continued...)Lecture 31 - Heat Exchanger (Continued...)Lecture 32Lecture 33Lecture 34Lecture 35Lecture 36Lecture 37 - Heat Pipe - Part ILecture 38 - Heat Pipe - Part IILecture 39 - Heat Pipe - Part IIILecture 40 - Direct Conversion - Introduction to TEGLecture 41 - Thermoelectric Generators - Functioning and ApplicationsLecture 42 - TEG - performance analysisLecture 43 - TEG - performance optimizationLecture 44 - Direct Conversion - Magneto Hydro dynamics (MHD)Lecture 45 - Direct Conversion - Thermo-Ionic generationLecture 46 - Direct Conversion - Thermo Photo Voltaic generation (TPV)Lecture 47 - Heat Pumps - ILecture 48 - Heat Pumps - IILecture 49 - Heat Pumps - IIILecture 50 - Waste Heat Recovery from Incinerator PlantsLecture 51 - Energy Storage Systems - ILecture 52 - Energy Storage Systems - IILecture 53 - Energy Storage Systems - IIILecture 54 - Energy Storage Systems - IVLecture 55 - Energy Storage Systems - VLecture 56 - Energy Storage Systems - VILecture 57Lecture 58Lecture 59Lecture 60Lecture 61Lecture 62Lecture 63Lecture 64Lecture 65Lecture 66Lecture 67Lecture 68 - Corrigendum



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NPTEL Video Course - Mechanical Engineering - NOC:Introduction to Mechanical Micro Machining

Subject Co-ordinator - Prof. Ajay M Sidpara



Lecture 1 - IntroductionLecture 2 - Introduction (Continued...)Lecture 3 - Introduction (Continued...)Lecture 4 - Introduction (Continued...)Lecture 5 - Introduction (Continued...)Lecture 6 - Introduction (Continued...)Lecture 7 - Scaling LawsLecture 8 - Scaling laws (Continued...)Lecture 9 - Scaling laws (Continued...)Lecture 10 - Difference between macro and micro machiningLecture 11 - Difference between macro and micro machining (Continued...)Lecture 12 - Difference between micro and macro machining (Continued...)Lecture 13 - Difference between micro and macro machining (Continued...)Lecture 14 - Difference between macro and micro machining (Continued...)Lecture 15 - Difference between macro and micro machining (Continued...)Lecture 16 - Difference between macro and micro machining (Continued...)Lecture 17 - Difference between macro and micro machining (Continued...)Lecture 18 - Difference between macro and micro machining (Continued...)Lecture 19 - Difference between macro and micro machining (Continued...)Lecture 20 - Difference between macro and micro machining (Continued...)Lecture 21 - Difference between macro and micro machining (Continued...)Lecture 22 - Component of the machine toolLecture 23 - Components of the machine tool (Continued...)Lecture 24 - Components of the machine tool (Continued...)Lecture 25 - Components of the machine tool (Continued...)Lecture 26 - Components of the machine tool (Continued...)Lecture 27 - Errors in machine tool (Continued...)Lecture 28 - Errors in machine tool (Continued...)Lecture 29 - Errors in machine tool (Continued...)



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Lecture 30 - Errors in machine tool (Continued...)Lecture 31 - Components of machine toolLecture 32 - Components of machine tool (Continued...)Lecture 33 - Components of machine tool (Continued...)Lecture 34 - Components of machine tool (Continued...)Lecture 35 - Components of machine tool (Continued...)Lecture 36 - Components of machine tool (Continued...)Lecture 37 - Components of machine tool (Continued...)Lecture 38 - Components of machine tool (Continued...)Lecture 39 - Components of machine tool (Continued...)Lecture 40 - Components of machine tool (Continued...)Lecture 41 - Components of machine tool (Continued...)Lecture 42 - Components of machine tool (Continued...)Lecture 43 - Components of machine tool (Continued...)Lecture 44 - Components of machine tool (Continued...)Lecture 45 - Components of machine tool (Continued...)Lecture 46 - Components of machine tool (Continued...)Lecture 47 - Components of machine tool (Continued...)Lecture 48 - Components of machine tool (Continued...)Lecture 49 - Micro toolsLecture 50 - Micro tools (Continued...)Lecture 51 - Micro tools (Continued...)Lecture 52 - Fabrication of micro tool by EDM processLecture 53 - Micro tools (Continued...)Lecture 54 - Micro machinesLecture 55 - Micro machines (Continued...)Lecture 56 - Diamond turningLecture 57 - Diamond turning (Continued...)Lecture 58 - Diamond turning (Continued...)Lecture 59 - Diamond turning (Continued...)Lecture 60 - Sensors and metrology for micro machiningLecture 61 - Sensors and metrology for micro machining (Continued...)Lecture 62 - Sensors and metrology for micro machining (Continued...)Lecture 63 - 3D surface measurement using interferometer



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NPTEL Video Course - Mechanical Engineering - NOC:Machinery Fault Diagnosis and Signal Processing

Subject Co-ordinator - Prof. Amiya Ranjan Mohanty



Lecture 1 - IntroductionLecture 2 - Maintenance PrinciplesLecture 3 - FMECALecture 4 - Fault Diagnostics and PrognosticsLecture 5 - Machine Learning in CBMLecture 6 - Basics of VibrationLecture 7 - Free and Forced ResponseLecture 8 - Vibration and Shock IsolationLecture 9 - RotordynamicsLecture 10 - Practical Examples of VibrationLecture 11 - Time Domain AnalysisLecture 12 - Frequency Domain AnalysisLecture 13 - Non Stationary Signal AnalysisLecture 14 - Modulation and BeatsLecture 15 - Orbit and Order AnalysisLecture 16 - Computer aided data acquisitionLecture 17 - Orbit and Order AnalysisLecture 18 - Data RecordingLecture 19 - Cepstrum AnalysisLecture 20 - Hilbert Transform in Condition MonitoringLecture 21 - Introduction to MATLABLecture 22 - Signal Processing using MATLABLecture 23 - Numericals in Signal Processing and Data AcquisitionLecture 24 - Signal HetrodyningLecture 25 - Practical SignalsLecture 26 - Basics Of InstrumentationLecture 27 - Signal Conditioning And FilteringLecture 28 - Errors In MeasurementsLecture 29 - Dynamic Range And Frequency Response



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Lecture 30 - Overview Of Transducers For CbmLecture 31 - AccelerometersLecture 32 - Vibration MonitoringLecture 33 - Rotational Speed MeasurementsLecture 34 - Basics of NoiseLecture 35 - Noise MonitoringLecture 36 - Introduction to Faults in Rotating MachinesLecture 37 - Unbalance DetectionLecture 38 - Field BalancingLecture 39 - MisalignmentLecture 40 - Crack and LoosenessLecture 41 - Journal and Anti-Friction BearingsLecture 42 - GearsLecture 43 - Pumps and CavitationLecture 44 - IC EnginesLecture 45 - Machinery Diagnostic ChartLecture 46 - Principles of Motor Current Signature AnalysisLecture 47 - Faults in Electrical MachinesLecture 48 - ThermographyLecture 49 - Wear Debris AnalysisLecture 50 - Oil AnalysisLecture 51 - UltrasonicsLecture 52 - Eddy Current and Acoustic EmissionLecture 53 - Radiography, Dye Penetrant TestsLecture 54 - Tool Condition MonitoringLecture 55 - Experimental Modal AnalysisLecture 56 - Introduction to Failure AnalysisLecture 57 - Railway Locomotive Noise and Vibration MonitoringLecture 58 - Paper Mill Vibration MonitoringLecture 59 - Overview of CBM facilities at IIT KharagpurLecture 60 - Future of Condition based Monitoring



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NPTEL Video Course - Mechanical Engineering - NOC:Metal Cutting and Machine Tools




Lecture 1 - IntroductionLecture 2 - Geometry of single point turning tools - 1Lecture 3 - Geometry of turning tools - 2Lecture 4 - Geometry of single point turning tools - 3Lecture 5 - Geometry of cutting tools and numerical problemsLecture 6 - Different types of tools and mcqLecture 7 - Mechanism of chip formationLecture 8 - Mechanics of material removalLecture 9 - Measurement of Cutting ForcesLecture 10 - Numerical problems and MCQLecture 11 - Tool wear and Tool lifeLecture 12 - Wear and life of cutting tools - 2Lecture 13 - The latheLecture 14 - Calculations on mechanisms in machine toolsLecture 15 - Numerical problems on latheLecture 16 - Milling machinesLecture 17 - Milling machine - indexingLecture 18 - Gear cutting CNC and non traditional machiningLecture 19 - CNC and non-traditional machining methodsLecture 20 - Numerical problems for week 4Lecture 21 - Live Session



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NPTEL Video Course - Mechanical Engineering - NOC:Gear and Gear Unit Design - Theory and Practice

Subject Co-ordinator - Prof. Rathindranath Maiti



Lecture 1 - Introduction - Motivation and Theme of the CourseLecture 2 - Laws of Gearing, Kinematics and Geometry - Part ILecture 3 - Laws of Gearing, Kinematics and Geometry - Part IILecture 4 - Involute Toothed Gear- Properties and TerminologyLecture 5 - TutorialLecture 6 - Involute Straight Tooth Spur GearLecture 7 - Helical Tooth Spur Gear and Loads on Gear ShaftLecture 8 - Design of Bevel GearLecture 9 - Crossed Helical Gear - ILecture 10 - Crossed Helical Gear - II and Worm GearLecture 11 - Gear Unit Design - Selection of Stage Ratios, Pinion and Gear Teeth NumbersLecture 12 - Gear Unit Design - First Stage Pinion and Gear Design- I (Module on Beam Strength Basis)Lecture 13 - Gear Unit Design - Failure of Gear Tooth (Probable Dynamic Load and Wear Load Capacity)Lecture 14 - Gear Unit Design - 1st. Stage Pinion and Gear Design-II (Probable Dynamic Load and Wear Load Capacity and Finalizing 1st. Stage Pinion and Gear set)Lecture 15 - Gear Unit Design - 1st. Layout (After Gear Design)Lecture 16 - Bearing Arrangement - Gear Box ShaftsLecture 17 - Bearing Load Calculation - Intermediate ShaftLecture 18 - Bearing Selection and Introduction to Shaft Design VerificationLecture 19 - Design Verification of Gear Box ShaftsLecture 20 - Development (Layout) of Intermediate ShaftLecture 21 - Development (Layout) of Input Shaft and Integral PinionLecture 22 - Development (Layout) of Output Shaft and 2nd. Stage (Output) GearLecture 23 - Development (Layout) of Output Shaft (Continued...), Loads on Shaft and BearingsLecture 24 - Output Shaft-Bearing LivesLecture 25 - Design Verification of Output ShaftLecture 26 - Design Verification of Input Shaft (including Bearing Life Estimation)Lecture 27 - Finalizing Design including the Sizes of the KeysLecture 28 - Development of Plan and Elevation of Gear Reduction Unit - ILecture 29 - Development of Plan and Elevation of Gear Reduction Unit - II



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Lecture 30 - Development of Plan and Elevation of Gear Reduction Unit - IIILecture 31Lecture 32Lecture 33 - Involute Spur Gear Tooth CorrectionLecture 34 - Involute Spur Gear Tooth CorrectionLecture 35 - Involute Spur Gear Tooth CorrectionLecture 36 - Involute Spur Gear Tooth CorrectionLecture 37 - Involute Spur Gear Tooth CorrectionLecture 38 - Tooth Tip Interference, Avoidance and Contact Ratio in Involute Internal GearingLecture 39Lecture 40Lecture 41Lecture 42Lecture 43Lecture 44Lecture 45 - Live Session



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NPTEL Video Course - Mechanical Engineering - NOC:Traditional and Non-Traditional Optimization Tools

Subject Co-ordinator - Prof. Dilip Kumar Pratihar



Lecture 1 - Principle of OptimizationLecture 2 - Traditional Methods of OptimizationLecture 3 - Traditional Methods of Optimization (Continued...)Lecture 4 - Binary-Coded Genetic Algorithm (BCGA)Lecture 5 - Binary-Coded Genetic Algorithm (BCGA) (Continued...)Lecture 6 - Binary-Coded Genetic Algorithm (BCGA) (Continued...)Lecture 7 - Binary-Coded Genetic Algorithm (BCGA) (Continued...)Lecture 8 - Binary-Coded Genetic Algorithm (BCGA) (Continued...)Lecture 9 - Schema Theorem of BCGALecture 10 - Schema Theorem of BCGA (Continued...)Lecture 11 - Constraint HandlingLecture 12 - Real-Coded GALecture 13 - Faster Genetic AlgorithmsLecture 14 - Faster Genetic Algorithms (Continued...)Lecture 15 - Faster Genetic Algorithms (Continued...)Lecture 16 - Faster Genetic Algorithms (Continued...)Lecture 17 - Scheduling GALecture 18 - Scheduling GA (Continued...)Lecture 19 - Scheduling GA (Continued...)Lecture 20 - Simmulated AnnealingLecture 21 - Particle Swarm OptimizationLecture 22 - Multi-Objective OptimizationLecture 23 - Multi-Objective Optimization (Continued...)Lecture 24 - Multi-Objective Optimization (Continued...)Lecture 25 - Multi-Objective Optimization (Continued...)Lecture 26 - Multi-Objective Optimization (Continued...)Lecture 27 - Intelligent Optimization TooltureLecture 28 - A Practical Optimization ProblemLecture 29 - A Practical Optimization Problem (Continued...)



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Lecture 30 - A Practical Optimization Problem (Continued...)Lecture 31 - A Practical Optimization Problem (Continued...)Lecture 32 - A Practical Optimization Problem (Continued...)Lecture 33 - A Practical Optimization Problem (Continued...)Lecture 34 - A Practical Optimization Problem (Continued...)Lecture 35 - A Practical Optimization Problem (Continued...)Lecture 36 - A Practical Optimization Problem (Continued...)Lecture 37 - Genetic Algorithm as Evolution ToolLecture 38 - Genetic Algorithm as Evolution Tool (Continued...)Lecture 39 - Genetic Algorithm as Evolution Tool (Continued...)Lecture 40 - Genetic Algorithm as Evolution Tool (Continued...)Lecture 41 - Genetic Algorithm as Evolution Tool (Continued...)Lecture 42 - Genetic Algorithm as Evolution Tool (Continued...)Lecture 43 - Summary 1Lecture 44 - Summary 2Lecture 45 - Summary 3



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NPTEL Video Course - Mechanical Engineering - NOC:Mechanism and Robot Kinematics

Subject Co-ordinator - Dr. Anirvan Das Gupta



Lecture 1 - IntroductionLecture 2 - NomenclatureLecture 3 - Kinematic DiagramLecture 4 - Degree of Freedom - ILecture 5 - Degree of Freedom - IILecture 6 - Degree of Freedom - FailureLecture 7 - Grashof Criteria - ILecture 8 - Grashof Criteria - IILecture 9 - Geometry and Representation of VectorsLecture 10 - Displacement AnalysisLecture 11 - Displacement AnalysisLecture 12 - Displacement AnalysisLecture 13 - Displacement AnalysisLecture 14 - Displacement AnalysisLecture 15 - Displacement AnalysisLecture 16 - Displacement AnalysisLecture 17 - Displacement AnalysisLecture 18 - Displacement AnalysisLecture 19 - Displacement AnalysisLecture 20 - Velocity AnalysisLecture 21 - Velocity AnalysisLecture 22 - Velocity AnalysisLecture 23 - Velocity AnalysisLecture 24 - Velocity AnalysisLecture 25 - Velocity AnalysisLecture 26 - Velocity AnalysisLecture 27 - Velocity AnalysisLecture 28 - Velocity AnalysisLecture 29 - Serial Manipulator Velocity Analysis - I



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Lecture 30 - Serial Manipulator Velocity Analysis - IILecture 31 - Serial Manipulator Velocity Analysis - IIILecture 32 - Parallel Manipulator Velocity AnalysisLecture 33 - Path Generation ProblemLecture 34 - Acceleration Analysis - ILecture 35 - Acceleration Analysis - IILecture 36 - Force Analysis - ILecture 37 - Force Analysis - IILecture 38 - Coordinate transformation - ILecture 39 - Coordinate transformation - IILecture 40 - Coordinate transformation - III



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NPTEL Video Course - Mechanical Engineering - NOC:Heat Exchangers: Fundamentals and Design Analysis

Subject Co-ordinator - Prof. Prasanta Kr Das, Prof. Somnath Roy



Lecture 1 - IntroductionLecture 2 - Applications of Heat ExchangersLecture 3 - Classification of Heat ExchangersLecture 4 - Classification of Heat Exchangers (Continued...)Lecture 5 - Design and Simulation of Heat ExchangersLecture 6 - Design and SimulationLecture 7 - Design and Simulation of Heat Exchangers - Numerical ProblemLecture 8 - Design and Simulation of Heat Exchangers - Numerical Problem (Continued...)Lecture 9 - Design and Simulation of Heat Exchangers - Numerical Problem (Continued...)Lecture 10 - Tubular Heat Exchanger TypesLecture 11 - Tubular Heat Exchanger TypesLecture 12 - Tubular Heat ExchangerLecture 13 - Tubular Heat ExchangerLecture 14 - Tubular Heat ExchangerLecture 15 - Tubular Heat ExchangerLecture 16 - Enhancement of Heat Transfer compact Heat ExchangersLecture 17 - Extended Surface Heat TransferLecture 18 - Extended Surface Heat TransferLecture 19 - Extended Surface Heat ExchangersLecture 20 - Analysis of fin plates of finned tube heat exchangerLecture 21 - Finned tube heat exchangerLecture 22 - Finned tube heat exchanger (Continued...)Lecture 23 - Finned tube heat exchanger (Continued...)Lecture 24 - Plate fin heat exchangerLecture 25 - Plate fin heat exchanger (Continued...)Lecture 26 - Plate fin heat exchanger (Continued...)Lecture 27 - Plate fin heat exchangerLecture 28 - Plate fin heat exchangerLecture 29 - Plate fin heat exchanger



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Lecture 30 - Plate fin heat exchangerLecture 31 - Plate fin heat exchangerLecture 32 - Plate fin heat exchangerLecture 33 - Plate fin heat exchangerLecture 34 - Plate fin heat exchangerLecture 35 - Plate fin heat exchangerLecture 36 - Phase change heat exchangersLecture 37 - Phase change heat exchangers (Continued...)Lecture 38 - Surface CondenserLecture 39 - Surface Condenser (Continued...)Lecture 40 - Surface Condenser (Continued...)Lecture 41 - Surface Condenser (Continued...)Lecture 42 - In tube condensationLecture 43 - Heat pipes and Heat pipe heat exchangersLecture 44 - Heat pipes and Heat pipe heat exchangers (Continued...)Lecture 45 - Heat pipes and Heat exchangersLecture 46 - Heat pipes and Heat exchangers (Continued...)Lecture 47 - Micro Heat Exchanger IntroductionLecture 48 - Micro scale Heat TransferLecture 49 - Micro scale Heat Transfer (Continued...)Lecture 50 - Micro ChannelLecture 51 - Micro Heat ExchangerLecture 52 - RegeneratorsLecture 53 - Fixed Bed Regenerator AnalysisLecture 54 - Design and Simulation of Regenerator (Fixed Bed)Lecture 55 - Fixed Bed Regenerator (Numerical)Lecture 56 - Fixed Bed Regenerator (Numerical) (Continued...)Lecture 57 - Fouling in Heat ExchangersLecture 58 - Fouling in Heat Exchangers (Continued...)Lecture 59 - Fouling in Heat Exchangers (Continued...)Lecture 60 - Direct Contact heat exchangerLecture 61 - Direct Contact heat exchanger (Continued...)Lecture 62 - Heat exchanger network synthesisLecture 63 - Heat exchanger networkLecture 64 - Heat exchanger network (Continued...)Lecture 65 - Heat Exchanger TestingLecture 66 - Heat Exchanger Testing (Continued...)



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NPTEL Video Course - Mechanical Engineering - NOC:Robotics

Subject Co-ordinator - Prof. Dilip Kumar Pratihar



Lecture 1 - Introduction to Robots and RoboticsLecture 2 - Introduction to Robots and Robotics (Continued...)Lecture 3 - Introduction to Robots and Robotics (Continued...)Lecture 4 - Introduction to Robots and Robotics (Continued...)Lecture 5 - Introduction to Robots and Robotics (Continued...)Lecture 6 - Introduction to Robots and Robotics (Continued...)Lecture 7 - Introduction to Robots and Robotics (Continued...)Lecture 8 - Introduction to Robots and Robotics (Continued...)Lecture 9 - Introduction to Robots and Robotics (Continued...)Lecture 10 - Introduction to Robots and Robotics (Continued...)Lecture 11 - Robot KinematicsLecture 12 - Robot Kinematics (Continued...)Lecture 13 - Robot Kinematics (Continued...)Lecture 14 - Robot Kinematics (Continued...)Lecture 15 - Robot Kinematics (Continued...)Lecture 16 - Robot Kinematics (Continued...)Lecture 17 - Robot Kinematics (Continued...)Lecture 18 - Robot Kinematics (Continued...)Lecture 19 - Robot Kinematics (Continued...)Lecture 20 - Robot Kinematics (Continued...)Lecture 21 - Trajectory PlanningLecture 22 - Trajectory Planning (Continued...)Lecture 23 - Singularity CheckingLecture 24 - Robot DynamicsLecture 25 - Robot Dynamics (Continued...)Lecture 26 - Robot Dynamics (Continued...)Lecture 27 - Robot Dynamics (Continued...)Lecture 28 - Robot Dynamics (Continued...)Lecture 29 - Robot Dynamics (Continued...)



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Lecture 30 - Control SchemeLecture 31 - SensorsLecture 32 - Sensors (Continued...)Lecture 33 - Sensors (Continued...)Lecture 34 - Robot VisionLecture 35 - Robot Vision (Continued...)Lecture 36 - Robot Vision (Continued...)Lecture 37 - Robot Motion PlanningLecture 38 - Robot Motion Planning (Continued...)Lecture 39 - Robot Motion Planning (Continued...)Lecture 40 - Robot Motion Planning (Continued...)Lecture 41 - Intelligent RobotLecture 42 - Biped WalkingLecture 43 - Biped Walking (Continued...)Lecture 44 - SummaryLecture 45 - Summary (Continued...)



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NPTEL Video Course - Mechanical Engineering - NOC:Computational Fluid Dynamics




Lecture 1 - Intoduction to CFDLecture 2 - Classification of partial differential equationsLecture 3 - Examples of partial differential equationsLecture 4 - Examples of partial differential equations (Continued...)Lecture 5 - Nature of the characteristics of partial differential equationLecture 6 - Euler-Lagrangian equationLecture 7 - Approximate Solutions of Differential EquationsLecture 8 - Variational formulationLecture 9 - Example of variational formulation and introduction to weighted residual methodLecture 10 - Weighted residual method (Continued...)Lecture 11 - Point Collocation method, the Galerkin's method and the 'M' formLecture 12 - Finite element method (FEM) of discretizationLecture 13 - Finite element method of discretization (Continued...)Lecture 14 - Finite difference method (FDM) of discretizationLecture 15 - Well posed boundary value problemLecture 16 - Finite volume method (FVM) of discretizationLecture 17 - Illustrative examples of finite volume methodLecture 18 - Illustrative examples of finite volume method (Continued...)Lecture 19 - Basic rules of finite volume discretizationLecture 20 - Implementation of boundary conditions in FVMLecture 21 - Implementation of boundary conditions in FVM (Continued...)Lecture 22 - 1-D Unsteady state diffusion problemLecture 23 - 1-D Unsteady state diffusion problem (Continued...)Lecture 24 - Consequences of Discretization of Unsteady State ProblemsLecture 25 - FTCS schemeLecture 26 - CTCS scheme (Leap frog scheme) and Dufort-Frankel schemeLecture 27 - Part 1Lecture 28 - Solution to linear algebraic equations (Continued...)Lecture 29 - Elemination methods



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Lecture 30 - Gaussian elemination and LU Decomposition methodsLecture 31 - Illustrative example of elemination methodLecture 32 - Tri-Diagonal Matrix Algorithm (TDMA)Lecture 33 - Elimination MethodsLecture 34 - Elimination MethodsLecture 35 - Iteration methodsLecture 36 - Generalized analysis of Iteration methodLecture 37 - Further discussion on Iterative methodsLecture 38 - Illustrative examples of Iterative methodsLecture 39 - Gradient Search based methodsLecture 40 - Steepest descent method (Continued...)Lecture 41 - Conjugate gradient methodLecture 42 - Convection diffusion equationLecture 43 - Central difference scheme applied to convection-diffusion equationLecture 44 - Upwind schemeLecture 45 - Illustrative examplesLecture 46 - Exact solution of 1-D steady state convection diffusion equation (Continued...)Lecture 47 - Exponential schemeLecture 48 - Generalized convection diffusion formulationLecture 49 - 2-D convection diffusion problemLecture 50 - False (numerical) diffusion scheme and the QUICK schemeLecture 51 - Discretization of Navier Stokes equationLecture 52 - Discretization of Navier Stokes equation (Continued...)Lecture 53 - Concept of staggered gridLecture 54 - SIMPLE algorithmLecture 55 - Salient features of SIMPLE algorithmLecture 56 - Illustrative examples on the use of SIMPLE algorithmLecture 57 - SIMPLER algorithmLecture 58 - Illustrative examples of SIMPLER algorithmLecture 59 - What is there in implementing a CFD CodeLecture 60 - Some representative case studies



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NPTEL Video Course - Mechanical Engineering - NOC:Concepts of Thermodynamics

Subject Co-ordinator - Prof. Aditya Bandopadhyay, Prof. Suman Chakraborty



Lecture 1 - Introductory ConceptsLecture 2 - Properties of Pure SubstancesLecture 3 - Properties of Pure Substances (Continued...)Lecture 4 - Introduction to Property TablesLecture 5 - Properties of Pure SubstancesLecture 6 - Properties of Pure SubstancesLecture 7 - Use of Computer as Means of Learning ThermodynamicsLecture 8 - Properties of Pure Substances (Continued...)Lecture 9 - Properties of Pure Substances Spring - Piston ProblemLecture 10 - Heat and WorkLecture 11 - Heat and WorkLecture 12 - Heat and WorkLecture 13 - Heat and WorkLecture 14 - First Law of Thermodynamics for a Control Mass SystemLecture 15 - Enthalpy and Specific HeatsLecture 16 - First Law for a Control Mass SystemLecture 17 - First Law for a Control Mass SystemLecture 18 - First Law for a Control Mass SystemLecture 19 - Control Volume Conservation Reynolds Transport TheoremLecture 20 - Control Volume Mass and Energy BalanceLecture 21 - Supplementary LectureLecture 22 - First Law for Steady State Steady Flow (SSSF) ProcessLecture 23 - First Law for SSSF ProcessLecture 24 - First Law for SSSF ProcessLecture 25 - First Law for SSSF ProcessLecture 26 - First Law for SSSF ProcessLecture 27 - Supplementary LectureLecture 28 - First Law of Thermodynamics for Unsteady Processes in a Control VolumeLecture 29 - First Law for Unsteady Problems - Examples



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Lecture 30 - First Law for Unsteady Problems - Examples (Continued...)Lecture 31 - First Law for Unsteady Problems - Examples (Continued...)Lecture 32 - Supplementary LectureLecture 33 - Introduction to Second Law of ThermodynamicsLecture 34 - Statements of the Second Law of ThermodynamicsLecture 35 - Perpetual Motion Machines; Reversible and Irreversible ProcessesLecture 36 - Factors for Irreversibility and Introduction to Reversible CyclesLecture 37 - Carnot Theorem and Absolute Temperature ScaleLecture 38 - Second LawLecture 39 - Clausius Inequality and Introduction to EntropyLecture 40 - Thermodynamic Property Relationships; Entropy change for Solids, Liquids and Ideal gasesLecture 41 - Entropy balance for Reversible and Irreversible ProcessesLecture 42 - What is Entropy ?Lecture 43 - Entropy Change in closed systemLecture 44 - Entropy Change in closed systemLecture 45 - Supplementary LectureLecture 46 - Supplementary LectureLecture 47 - Entropy Transport for a flow processLecture 48 - Entropy Transport for flow processLecture 49 - Entropy Transport for flow processLecture 50 - Entropy Transport for flow processLecture 51 - Entropy Transport for flow processLecture 52 - Supplementary LectureLecture 53 - Exergy (Availability)Lecture 54 - Exergy (Availability) (Continued...)Lecture 55 - Exergy AnalysisLecture 56 - Exergy AnalysisLecture 57 - Thermodynamic RelationshipsLecture 58 - Thermodynamic Relationships (Continued...)Lecture 59 - Otto CycleLecture 60 - Diesel CycleLecture 61 - Example ProblemsLecture 62 - Brayton CycleLecture 63 - Carnot Cycle and Rankine CycleLecture 64 - Carnot Cycle and Rankine Cycle (Continued...)Lecture 65 - Vapour Compression Refrigeration CycleLecture 66 - Review of Learning ConceptsLecture 67 - Supplementary LectureLecture 68 - Supplementary Lecture



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NPTEL Video Course - Mechanical Engineering - NOC:Electronic Packaging and Manufacturing

Subject Co-ordinator - Prof. A Bhattacharya



Lecture 1 - Introduction - 1Lecture 2 - Introduction - 2Lecture 3 - Introduction - 3Lecture 4 - Semiconductors and Components - 1Lecture 5 - Semiconductors and Components - 2Lecture 6 - 1st Level Packaging - ILecture 7 - 1st Level Packaging - IILecture 8 - Area Array Packages - ILecture 9 - Area Array Packages - IILecture 10 - Area Array Packages - IIILecture 11 - Flip Chip TechnologyLecture 12 - 1st Level Interconnections - ILecture 13 - 1st Level Interconnections - IILecture 14 - 1st Level Interconnections - IIILecture 15 - Advanced PackagingLecture 16 - 2nd Level PackagingLecture 17 - 2nd Level PackagingLecture 18 - 2nd Level PackagingLecture 19 - 2nd Level PackagingLecture 20 - 2nd Level PackagingLecture 21 - System IntegrationLecture 22 - Thermal Management 1Lecture 23 - Thermal Management 2Lecture 24 - Thermal Management 3Lecture 25 - Thermal Management 4Lecture 26 - Thermal Management 5Lecture 27 - Thermal Management 6Lecture 28 - Thermal Management 7Lecture 29 - Thermal Management 8



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Lecture 30 - Thermal Management 9Lecture 31 - Shock and Vibration - 1Lecture 32 - Shock and Vibration - 2Lecture 33 - Shock and Vibration - 3Lecture 34 - Shock and Vibration - 4Lecture 35 - Electronic Packaging Reliability - 1Lecture 36 - Electronic Packaging Reliability - 2Lecture 37 - Electronic Packaging Reliability - 3Lecture 38 - Electronic Packaging Reliability - 4Lecture 39 - Power Electronics PackagingLecture 40 - Special Topics



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NPTEL Video Course - Mechanical Engineering - NOC:Kinematics of Mechanisms and Machines




Lecture 1 - Introduction and MotivationLecture 2 - Nomenclature and ClassificationLecture 3 - Kinematic DiagramLecture 4 - Degree of FreedomLecture 5 - Constrained and Robotic MechanismsLecture 6 - Failure of DOF CalculationLecture 7 - Grashof Criterion - ILecture 8 - Grashof Criterion - IILecture 9 - Grashof Criterion - ProblemsLecture 10 - Displacement Analysis - ILecture 11 - Displacement Analysis - IILecture 12 - Displacement Analysis Example - ILecture 13 - Displacement Analysis Example - IILecture 14 - Steering MechanismsLecture 15 - Displacement Analysis of Robots - ILecture 16 - Displacement Analysis of Robots - IILecture 17 - Displacement Analysis of Robots - IIILecture 18 - Geometric Velocity Analysis - ILecture 19 - Geometric Velocity Analysis - IILecture 20 - Geometric Velocity Analysis - IIILecture 21 - Velocity AnalysisLecture 22 - Velocity AnalysisLecture 23 - Velocity AnalysisLecture 24 - Analytical Velocity Analysis - ILecture 25 - Analytical Velocity Analysis - IILecture 26 - Analytical Velocity Analysis - IIILecture 27 - Velocity Analysis ExamplesLecture 28 - Robot Velocity Analysis - ILecture 29 - Robot Velocity Analysis - II



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Lecture 30 - Robot Velocity Analysis - IIILecture 31 - Robot Path GenerationLecture 32 - Acceleration Analysis - ILecture 33 - Acceleration Analysis - IILecture 34 - Force Analysis - ILecture 35 - Force Analysis - IILecture 36 - Force Analysis ExamplesLecture 37 - Gear KinematicsLecture 38 - Gear trains - ILecture 39 - Gear trains - IILecture 40 - Gear trains - III



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NPTEL Video Course - Mechanical Engineering - NOC:Introduction to Fluid Mechanics (2019)

Subject Co-ordinator - Prof. Suman Chakraborty



Lecture 1 - Motivations of studying fluid mechanicsLecture 2 - Macroscopic and microscopic point of viewsLecture 3 - Concept of traction vectorLecture 4 - Cauchy's theoremLecture 5 - Concept of pressure in a fluidLecture 6 - Density, Bulk Modulus, ViscosityLecture 7 - Viscosity, Newtonian fluidLecture 8 - Kinematic viscosity, Reynolds numberLecture 9 - Non-Newtonian fluidsLecture 10 - Some illustrative examples solvedLecture 11 - Problems and SolutionsLecture 12 - Surface Tension - Part ILecture 13 - Surface Tension - Part IILecture 14 - Governing equation of fluid staticsLecture 15 - ManometersLecture 16 - Force on a surface immersed in fluid - Part ILecture 17 - Force on a surface immersed in fluid - Part IILecture 18 - Force on a surface immersed in fluid - Part III, Stability of solid bodies in fluid - Part ILecture 19 - Stability of solid bodies in fluid - Part IILecture 20 - Fluid under rigid body motionLecture 21 - Lagrangian and Eulerian approachesLecture 22 - Concept of different flow linesLecture 23 - Acceleration of fluid flowLecture 24 - Deformation of fluid elements - Part ILecture 25 - Derivation of continuity equationLecture 26 - Problems and SolutionsLecture 27 - Deformation of fluid elements - Part IILecture 28 - Deformation of fluid elements - Part IIILecture 29 - Stream Function



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Lecture 30 - Circulation, Velocity PotentialLecture 31 - Euler's equationLecture 32 - Bernoulliâ��s equation - Part ILecture 33 - Bernoulliâ��s equation - Part IILecture 34 - Bernoulli's equation - Part IIILecture 35 - Eulerâ��s equation in streamline coordinatesLecture 36 - Problems and SolutionsLecture 37 - Problems and SolutionsLecture 38 - Application of Bernoulli's equation - Part ILecture 39 - Application of Bernoulli's equation - Part IILecture 40 - Application of Bernoulli's equation - Part IIILecture 41 - Reynolds Transport Theorem (RTT)Lecture 42 - Application of RTTLecture 43 - Problems and SolutionsLecture 44 - Problems and SolutionsLecture 45 - Application of RTTLecture 46 - Problems and SolutionsLecture 47 - Problems and SolutionsLecture 48 - Problems and SolutionsLecture 49 - Application of RTTLecture 50 - Problems and SolutionsLecture 51 - Navier-Stokes equation - Part ILecture 52 - Navier-Stokes equation - Part IILecture 53 - Navier-Stokes equation - Part IIILecture 54 - Navier-Stokes equation - Part IVLecture 55 - Pipe Flow - Part ILecture 56 - Pipe Flow - Part IILecture 57 - Pipe Flow - Part IIILecture 58 - Pipe Flow - Part IVLecture 59 - Principle of Similarity and Dynamical Analysis - Part ILecture 60 - Principle of Similarity and Dynamical Analysis - Part II



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NPTEL Video Course - Mechanical Engineering - NOC:Conduction and Convection Heat Transfer (Prof. S. Chakraborty)




Lecture 1 - Introduction to ConductionLecture 2 - 1-D Steady State ConductionLecture 3 - Introduction to ConvectionLecture 4 - Conduction EquationLecture 5 - Conduction EquationLecture 6 - Conduction EquationLecture 7 - 1-D Steady State Conduction - ILecture 8 - Concept of Thermal ResistanceLecture 9 - 1-D Steady State Conduction - IILecture 10 - 1-D Steady State Conduction - II (Continued...)Lecture 11 - Problems on 1-D Steady State Conduction - ILecture 12 - Problems on 1-D Steady State Conduction - I (Continued...)Lecture 13 - Problems on 1-D Steady State Conduction - IILecture 14 - Conduction in Cylindrical GeometryLecture 15 - Critical Insulation ThicknessLecture 16 - Critical Insulation Thickness (Continued...)Lecture 17 - Problems on Conduction in Cylindrical Geometry - 1Lecture 18 - Problems on Conduction in Cylindrical Geometry - 2 and Conduction in Spherical GeometryLecture 19 - Problems on Conduction in Cylindrical Geometry - 2 and Conduction in Spherical GeometryLecture 20 - Heat Transfer From Extended SurfacesLecture 21 - Boundary Conditions at the Fin TipLecture 22 - Fin Types, Efficiency and EffectivenessLecture 23 - Problems on Heat Transfer From Extended SurfacesLecture 24 - 2-D Steady State ConductionLecture 25 - Separation of Variables Method for 2-D Steady State ConductionLecture 26 - Superposition Method for 2-D Steady State ConductionLecture 27 - Transient ConductionLecture 28 - Problems on Lumped Parameter ApproachLecture 29 - Transient Conduction



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Lecture 30 - Transient ConductionLecture 31 - Transient ConductionLecture 32 - Introduction to ConvectionLecture 33 - Review of Fluid Mechanics - 1Lecture 34 - Review of Fluid Mechanics - 2Lecture 35 - Review of Fluid Mechanics - 3Lecture 36 - Review of Fluid Mechanics - 4Lecture 37 - Review of Fluid Mechanics - 5Lecture 38 - Energy Conservation Equation - 1Lecture 39 - Energy Conservation Equation - 2Lecture 40 - Energy Conservation Equation - 3Lecture 41 - Thermal Boundary Layer - 1Lecture 42 - Thermal Boundary Layer - 2Lecture 43 - Energy Integral Equation - 1Lecture 44 - Energy Integral Equation - 2Lecture 45 - Internal Forced Convection - 1Lecture 46 - Internal Forced Convection - 2Lecture 47 - Internal Forced Convection - 3Lecture 48 - Internal Forced Convection - 4Lecture 49 - Internal Forced Convection - 5Lecture 50 - Internal Forced Convection - 6Lecture 51 - Viscous Dissipation - 1Lecture 52 - Viscous Dissipation - 2Lecture 53 - Natural Convection - 1Lecture 54 - Natural Convection - 2Lecture 55 - Natural Convection - 3Lecture 56 - Natural Convection - 4Lecture 57 - Condensation - 1Lecture 58 - Condensation - 2Lecture 59 - BoilingLecture 60 - Heat Exchangers - 1Lecture 61 - Heat Exchangers - 2Lecture 62 - Heat Exchangers - 3Lecture 63 - Heat Exchangers - 4Lecture 64 - Heat Exchangers - 5Lecture 65 - Problems on Heat Exchangers



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NPTEL Video Course - Mechanical Engineering - NOC:Advanced Concepts in Fluid Mechanics

Subject Co-ordinator - Prof. Aditya Bandopadhyay



Lecture 1 - Eulerian and Lagrangian Description of Fluid MotionLecture 2 - Lines of Flow Visualization and Acceleration of FlowLecture 3 - Angular Deformation of Fluid ElementsLecture 4 - Linear and Volumetric Deformation; Perspectives from Mass ConservationLecture 5 - Continuity Education in Integral FormLecture 6 - Euler Equation for Inviscid FlowLecture 7 - Bernoulli's EquationLecture 8 - Examples of Bernoulli's EquationLecture 9 - Reynolds Transport EquationLecture 10 - Reynolds Transport TheoremLecture 11 - Reynolds transport theoremLecture 12 - Reynolds transport theoremLecture 13 - Introduction to traction vector and stress tensorLecture 14 - Cauchy/Navier equationLecture 15 - Navier Stokes equationLecture 16 - Navier Stokes equation (Continued...)Lecture 17 - Some exact solutions of the Navier Stokes equationLecture 18 - Interfacial boundary conditions and example of thin film flowsLecture 19 - Exact solutions of the Navier Stokes equations in cylindrical polar coordinatesLecture 20 - Exact solutions of the Navier Stokes equation for some unsteady flowsLecture 21 - Confined oscillatory flowsLecture 22 - Introduction to TurbulenceLecture 23 - Statistical Treatment of Turbulence and Near - Wall Velocity ProfilesLecture 24 - Introduction to Boundary Layer TheoryLecture 25 - Similarity Solution of Boundary Layer EquationLecture 26 - Momentum Integral MethodLecture 27 - Application of Momentum Integral Method and Boundary Layer SeparationLecture 28 - Potential FlowLecture 29 - Potential Flow (Continued...)



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Lecture 30 - Potential Flow (Continued...)Lecture 31 - Potential Flow (Continued...)Lecture 32 - Potential Flow (Continued...)Lecture 33 - Potential Flow (Continued...)Lecture 34 - Stokes Flow past a SphereLecture 35 - Stokes Flow past a Sphere (Continued...)Lecture 36 - Stokes Flow past a Sphere (Continued...)Lecture 37 - Lubrication TheoryLecture 38 - Lubrication Theory (Continued...)Lecture 39 - Lubrication Theory (Continued...)Lecture 40 - Thin Film DynamicsLecture 41 - Thin Film Dynamics (Continued...)Lecture 42 - Thin Film Dynamics (Continued...)Lecture 43 - Thin Film Dynamics (Continued...)Lecture 44 - Thin Film Dynamics (Continued...)Lecture 45 - Thin Film Dynamics (Continued...)Lecture 46 - Thin Film Dynamics (Continued...)Lecture 47 - Thin Film Dynamics (Continued...)Lecture 48 - Compressible FlowsLecture 49 - Compressible Flows (Continued...)Lecture 50 - Compressible Flows (Stagnation Properties)Lecture 51 - Compressible Flows (Stagnation Properties, Variable Area)Lecture 52 - Compressible Flows (Variable Area)Lecture 53 - Compressible Flows (Variable Area)Lecture 54 - Compressible Flows (Normal Shock)Lecture 55 - Compressible Flows (Normal Shock) (Continued...)Lecture 56 - Compressible Flows (Converging Nozzle)Lecture 57 - Compressible Flows (Converging Diverging Nozzle)Lecture 58 - Compressible Flows (Converging Diverging Nozzle) (Continued...)Lecture 59 - Compressible Flows with Friction



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NPTEL Video Course - Mechanical Engineering - Advanced Gas Dynamics

Subject Co-ordinator - Dr. Rinku Mukherjee

Co-ordinating Institute - IIT - Madras


Lecture 1 - Introduction to Gas Dynamics & Review of Basic ThermodynamicsLecture 2 - Review of Basic Thermodynamics ContinuedLecture 3 - An introduction to Normal ShocksLecture 4 - The Mach Number and Compressible FlowLecture 5 - The relation of physical properties across a normal shockLecture 6 - Normal Shock in a ductLecture 7 - Example Problems in Normal ShocksLecture 8 - An introduction to Oblique ShocksLecture 9 - The relation of physical properties across an oblique shockLecture 10 - Example Problems in Oblique ShocksLecture 11 - Pressure - Deflection relationship of ShocksLecture 12 - An introduction to Expansion wavesLecture 13 - Area - Mach RelationshipLecture 14 - Unsteady Shock WavesLecture 15 - The Shock TubeLecture 16 - A review of wave propagationLecture 17 - Wave propagationLecture 18 - Finite Wave TheoryLecture 19 - The Shock TubeLecture 20 - The Method of CharacteristicsLecture 21 - Application of The Method of CharacteristicsLecture 22 - Application of The Method of CharacteristicsLecture 23 - Flow over a Wavy wallLecture 24 - Subsonic Flow over a Wavy wallLecture 25 - Supersonic Flow over a Wavy wallLecture 26 - Supersonic Flow past a 3D ConeLecture 27 - Quasi 2D Flow - ILecture 28 - Quasi 2D Flow - IILecture 29 - Similarity Rules and Transformed Coordinate System



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Lecture 30 - Critical Mach Number and Thin Airfoil TheoryLecture 31 - Example Problem using Thin Airfoil TheoryLecture 32 - Example Problems - 1Lecture 33 - Example Problems - 2Lecture 34 - Example Problems - 3Lecture 35 - Supersonic Flow past a 3D Cone at an angle of attackLecture 36 - Supersonic Flow past a 3D Cone at an angle of attackLecture 37 - Supersonic Flow past a 3D Cone at an angle of attackLecture 38 - Supersonic Flow past a 3D Cone at an angle of attackLecture 39 - Supersonic Flow past a 3D Cone at an angle of attackLecture 40 - Supersonic Flow past a 3D Bluff Body at an angle of attack



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NPTEL Video Course - Mechanical Engineering - Design and Optimization of Energy systems

Subject Co-ordinator - Prof. C. Balaji



Lecture 1 - Introduction to OptimizationLecture 2 - System Design and AnalysisLecture 3 - Workable systemLecture 4 - System simulationLecture 5 - Information flow diagramsLecture 6 - Successive substitution methodLecture 7 - Successive substitution method (Continued.)Lecture 8 - Successive substitution method and Newton-Raphson methodLecture 9 - Newton-Raphson method (Continued.)Lecture 10 - Convergence characteristics of Newton-Raphson methodLecture 11 - Newton-Raphson method for multiple variablesLecture 12 - Solution of system of linear equationsLecture 13 - Introduction to Curve fittingLecture 14 - Example for Lagrange interpolationLecture 15 - Lagrange interpolation (Continued.)Lecture 16 - Best fitLecture 17 - Least Square RegressionLecture 18 - Least Square Regression (Continued.)Lecture 19 - Least Square Regression (Continued.)Lecture 20 - Non-linear Regression (Gauss - Newton Algorithm)Lecture 21 - Optimization- Basic ideasLecture 22 - Properties of objective function and cardinal ideas in optimizationLecture 23 - Unconstrained optimizationLecture 24 - Constrained optimization problemsLecture 25 - Mathematical proof of the Lagrange multiplier methodLecture 26 - Test for Maxima / MinimaLecture 27 - Handling in-equality constraintsLecture 28 - Kuhn-Tucker conditions (Continued.)Lecture 29 - Uni-modal function and search methods



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Lecture 30 - Dichotomous searchLecture 31 - Fibonacci search methodLecture 32 - Reduction ratio of Fibonacci search methodLecture 33 - Introduction to multi-variable optimizationLecture 34 - The Conjugate gradient methodLecture 35 - The Conjugate gradient method (Continued.)Lecture 36 - Linear programmingLecture 37 - Dynamic programmingLecture 38 - Genetic AlgorithmsLecture 39 - Genetic Algorithms (Continued.)Lecture 40 - Simulated Annealing and Summary



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NPTEL Video Course - Mechanical Engineering - Engineering Fracture Mechanics

Subject Co-ordinator - Prof. K. Ramesh



Lecture 1 - EFM Course OutlineLecture 2 - Spectacular FailuresLecture 3 - Lessons from Spectacular FailuresLecture 4 - LEFM and EPFMLecture 5 - Fracture Mechanics is HolisticLecture 6 - Fatigue Crack Growth ModelLecture 7 - Crack Growth and Fracture MechanismsLecture 8 - Elastic Strain EnergyLecture 9 - Fracture Strength by GriffithLecture 10 - Energy Release RateLecture 11 - Utility of Energy Release RateLecture 12 - Pop-in PhenomenonLecture 13 - Displacement and Stress FormulationsLecture 14 - Forms of Stress FunctionsLecture 15 - Airyâ��s Stress Function for Mode-ILecture 16 - Westergaard Solution of Stress Field for Mode-ILecture 17 - Displacement Field for Mode-ILecture 18 - Relation between KI and GILecture 19 - Stress Field in Mode-IILecture 20 - Generalised Westergaard ApproachLecture 21 - Williamâ��s Eigen Function ApproachLecture 22 - Multi-parameter Stress Field EquationsLecture 23 - Validation of Multi-parameter Field EquationsLecture 24 - Discussion Session - ILecture 25 - Evaluation of SIF for Various GeometriesLecture 26 - SIF for Embedded CracksLecture 27 - SIF for Surface CracksLecture 28 - Modeling of Plastic DeformationLecture 29 - Irwinâ��s Model



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Lecture 30 - Dugdale ModelLecture 31 - Fracture Toughness TestingLecture 32 - Plane Strain Fracture Toughness TestingLecture 33 - Plane Stress Fracture Toughness TestingLecture 34 - Paris Law and Sigmoidal CurveLecture 35 - Crack ClosureLecture 36 - Crack Growth ModelsLecture 37 - J-IntegralLecture 38 - HRR Field and CTODLecture 39 - FAD and Mixed Mode FractureLecture 40 - Crack Arrest and Repair MethodologiesLecture 41 - Discussion Session - II



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NPTEL Video Course - Mechanical Engineering - Experimental Stress Analysis




Lecture 1 - Overview of Experimental Stress AnalysisLecture 2 - Optical Methods Work as Optical ComputersLecture 3 - Stress, Strain and Displacement FieldsLecture 4 - Physical Principle of Strain Gauges, Photoelasticity and MoirÃ©Lecture 5 - Introduction to MoirÃ©, Brittle Coatings and HolographyLecture 6 - Hologram Interferometry, Speckle MethodsLecture 7 - Introduction to Shearography, TSA, DIC and CausticsLecture 8 - Fringe Patterns â�� Richness of Qualitative InformationLecture 9 - Multi-Scale Analysis in Experimental MechanicsLecture 10 - Selection of an Experimental TechniqueLecture 11 - Introduction to Transmission PhotoelasticityLecture 12 - Ordinary and Extraordinary RaysLecture 13 - Light Ellipse, Passage of Light Through a Crystal PlateLecture 14 - Retardation Plates, Stress-optic LawLecture 15 - Plane PolariscopeLecture 16 - Jones CalculusLecture 17 - Circular PolariscopeLecture 18 - Determination of Photoelastic Parameters at an Arbitrary PointLecture 19 - Tardyâ��s Method of CompensationLecture 20 - Calibration of Photo elastic MaterialsLecture 21 - Fringe Thinning MethodologiesLecture 22 - Fringe Ordering in PhotoelasticityLecture 23 - Miscellaneous Topics in Transmission PhotoelasticityLecture 24 - Three Dimensional PhotoelasticityLecture 25 - Overview of Digital PhotoelasticityLecture 26 - Introduction to Photoelastic CoatingsLecture 27 - Correction Factors for Photoelastic CoatingsLecture 28 - Coating Materials, Selection of Coating Thickness, Industrial Application of Photoelastic CoatingsLecture 29 - Calibration of Photoelastic Coatings, Introduction to Brittle Coatings



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Lecture 30 - Analysis of Brittle CoatingsLecture 31 - Introduction to Strain GaugesLecture 32 - Strain Sensitivity of a Strain Gauge, Bridge Sensitivity, RosettesLecture 33 - Strain Gauge Alloys, Carriers and AdhesivesLecture 34 - Performance of Strain Gauge SystemLecture 35 - Temperature Compensation, Two-wire and Three-wire CircuitsLecture 36 - Strain Gauge SelectionLecture 37 - Bonding of a Strain GaugeLecture 38 - Soldering, Accounting for Transverse Sensitivity EffectsLecture 39 - Correction Factors for Special ApplicationsLecture 40 - Special GaugesLecture 41 - Questions and Answers



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NPTEL Video Course - Mechanical Engineering - Rocket Propulsion

Subject Co-ordinator - Prof. K. Ramamurthi



Lecture 1 - IntroductionLecture 2 - Motion in SpaceLecture 3 - Rotational Frame of Reference and Orbital VelocitiesLecture 4 - Velocity RequirementsLecture 5 - Theory of Rocket PropulsionLecture 6 - Rocket Equation and Staging of RocketsLecture 7 - Review of Rocket Principles; Propulsion EfficiencyLecture 8 - Examples Illustrating Theory of Rocket Propulsion and Introduction to NozzlesLecture 9 - Theory of NozzlesLecture 10 - Nozzle ShapeLecture 11 - Area Ratio of Nozzles; Under-expansion and Over-expansionLecture 12 - Characteristic Velocity and Thrust CoefficientLecture 13 - Divergence Loss in Conical Nozzles and the Bell NozzleLecture 14 - Unconventional Nozzles and Problems in NozzlesLecture 15 - Criterion for Choice of Chemical PropellantsLecture 16 - Choice of Fuel-Rich PropellantsLecture 17 - Performance Prediction AnalysisLecture 18 - Dissociation of Products of CombustionLecture 19 - Shifting Equilibrium and Frozen Flow in NozzlesLecture 20 - Factors Influencing Choice of Chemical PropellantsLecture 21 - Low Energy Liquid Propellants and Hybrid PropellantsLecture 22 - Introduction to Solid Propellant RocketsLecture 23 - Burn Rate of Solid Propellants and Equilibrium Pressure in Solid Propellant RocketsLecture 24 - Design Aspects of Solid Propellant RocketsLecture 25 - Burning Surface Area of Solid Propellant GrainsLecture 26 - Ignition of Solid Propellant RocketsLecture 27 - Review of Solid Propellant RocketsLecture 28 - Feed Systems for Liquid Propellant RocketsLecture 29 - Feed System Cycles for Pump Fed Liquid Propellant Rockets



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Lecture 30 - Analysis of Gas Generator and Staged Combustion Cycles and Introduction to InjectorsLecture 31 - Injectors, Cooling of Chamber and Mixture Ratio DistributionLecture 32 - Efficiencies due to Mixture Ratio Distribution and Incomplete VaporizationLecture 33 - Pumps and Turbines; Propellant Feed System at Zero â��gâ�• ConditionsLecture 34 - Review of Liquid Bi-propellant Rockets and Introduction to Mono-propellant RocketsLecture 35 - Introduction to Hybrid Rockets and a Simple Illustration of Combustion Instability in Liquid Propellant RocketsLecture 36 - Combustion Instability in Solid Propellant and Liquid Propellant Rockets â�� Bulk and Wave ModesLecture 37 - Wave modes of OscillationLecture 38 - Mechanisms Causing Instabilities and Strategies for Avoiding Combustion InstabilityLecture 39 - Electric and Magnetic Fields and the Electrostatic ThrusterLecture 40 - Electrical ThrustersLecture 41 - Advances in Rocket Propulsion



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NPTEL Video Course - Mechanical Engineering - Advanced Finite Elements Analysis

Subject Co-ordinator - Dr. R. Krishnakumar



Lecture 1 - Advanced Finite Elements AnalysisLecture 2 - Advanced Finite Elements AnalysisLecture 3 - Advanced Finite Elements AnalysisLecture 4 - Advanced Finite Elements AnalysisLecture 5 - Advanced Finite Elements AnalysisLecture 6 - Advanced Finite Elements AnalysisLecture 7 - Advanced Finite Elements AnalysisLecture 8 - Advanced Finite Elements AnalysisLecture 9 - Advanced Finite Elements AnalysisLecture 10 - Advanced Finite Elements AnalysisLecture 11 - Advanced Finite Elements AnalysisLecture 12 - Advanced Finite Elements AnalysisLecture 13 - Advanced Finite Elements AnalysisLecture 14 - Advanced Finite Elements AnalysisLecture 15 - Advanced Finite Elements AnalysisLecture 16 - Advanced Finite Elements AnalysisLecture 17 - Advanced Finite Elements AnalysisLecture 18 - Advanced Finite Elements AnalysisLecture 19 - Advanced Finite Elements AnalysisLecture 20 - Advanced Finite Elements AnalysisLecture 21 - Advanced Finite Elements AnalysisLecture 22 - Advanced Finite Elements AnalysisLecture 23 - Advanced Finite Elements AnalysisLecture 24 - Advanced Finite Elements AnalysisLecture 25 - Advanced Finite Elements AnalysisLecture 26 - Advanced Finite Elements AnalysisLecture 27 - Advanced Finite Elements AnalysisLecture 28 - Advanced Finite Elements AnalysisLecture 29 - Advanced Finite Elements Analysis



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Lecture 30 - Advanced Finite Elements Analysis



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NPTEL Video Course - Mechanical Engineering - Advanced Operations Research

Subject Co-ordinator - Prof. G. Srinivasan



Lecture 1 - Introduction and Linear ProgrammingLecture 2 - Revised Simplex AlgorithmLecture 3 - Simplex Method for Bounded VariablesLecture 4 - One Dimensional Cutting Stock ProblemLecture 5 - One Dimensional Cutting Stock Problem (Continued.)Lecture 6 - Dantzig-Wolfe Decomposition AlgorithmLecture 7 - Dantzig-Wolfe Decomposition Algorithm Primal-Dual AlgorithmLecture 8 - Primal-Dual AlgorithmLecture 9 - Goal Programming-FormulationsLecture 10 - Goal Programming Solutions Complexity of Simplex AlgorithmLecture 11 - Complexity of Simplex Algorithm (Continued.) Integer ProgrammingLecture 12 - Integer Programming-FormulationsLecture 13 - Solving Zero-One ProblemsLecture 14 - Solving Zero-One Problems (Continued.)Lecture 15 - Branch And Bond Algorithm For Integer ProgrammingLecture 16 - Cutting Plane AlgorithmLecture 17 - All Integer Primal AlgorithmLecture 18 - All Integer Dual AlgorithmLecture 19 - Network ModelsLecture 20 - Shortest Path ProblemLecture 21 - Successive Shortest Path ProblemLecture 22 - Maximum Flow ProblemLecture 23 - Minimum Cost Flow ProblemLecture 24 - Traveling Salesman Problem (TSP)Lecture 25 - Branch and Bound Algorithms for TSPLecture 26 - Heuristics for TSPLecture 27 - Heuristics for TSP (Continued.)Lecture 28 - Chinese Postman ProblemLecture 29 - Vehicle Routeing Problem



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Lecture 30 - Queueing ModelsLecture 31 - Single Server Queueing ModelsLecture 32 - Multiple Server Queueing ModelsLecture 33 - Game TheoryLecture 34 - Critical Path MethodLecture 35 - Quadratic ProgrammingLecture 36 - Integer Programming (Continued.)Lecture 37 - All Integer Dual AlgorithmLecture 38 - Mixed Integer Linear ProgrammingLecture 39 - Benders Partitioning Algorithm



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NPTEL Video Course - Mechanical Engineering - Fundamentals of Operations Research

Subject Co-ordinator - Prof. G. Srinivasan



Lecture 1 - Introduction to Linear Programming FormulationsLecture 2 - Linear Programming Formulations (Continued...)Lecture 3 - Linear Programming Solutions- Graphical MethodsLecture 4 - Linear Programming Solutions - Simplex AlgorithmLecture 5 - Simplex Algorithm-Minimization ProblemsLecture 6 - Simplex Algorithm - Initialization and IterationLecture 7 - Simplex Algorithm - TerminationLecture 8 - Introduction to DualityLecture 9 - Primal Dual Relationships, Duality TheoremsLecture 10 - Dual Variables and the Simplex TablesLecture 11 - Simplex Algorithm in Matrix Form Introduction to Sensitivity AnalysisLecture 12 - Sensitivity Analysis Transportation Problem (Introduction)Lecture 13 - Transportation Problem, Methods for Initial Basic Feasible SolutionsLecture 14 - Transportation Problem-Optimal SolutionsLecture 15 - Transportation Problem - Other IssuesLecture 16 - Assignment Problem - Hungarian AlgorithmLecture 17 - Assignment Problem - Other Issues Introduction to Dynamic ProgrammingLecture 18 - Dynamic Programming - Examples Involving Discrete VariablesLecture 19 - Dynamic Programming - Continuous VariablesLecture 20 - Dynamic Programming - Examples to Solve Linear & Integer Programming ProblemsLecture 21 - Inventory Models - Deterministic ModelsLecture 22 - Inventory Models - Discount Models, Constrained Inventory Problems, Lagrangean Multipliers, Conclusions



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NPTEL Video Course - Mechanical Engineering - Introduction to Finite Element Method

Subject Co-ordinator - Dr. R. Krishnakumar



Lecture 1 - Introduction to Finite Element MethodLecture 2 - Introduction to Finite Element MethodLecture 3 - Introduction to Finite Element MethodLecture 4 - Introduction to Finite Element MethodLecture 5 - Introduction to Finite Element MethodLecture 6 - Introduction to Finite Element MethodLecture 7 - Introduction to Finite Element MethodLecture 8 - Introduction to Finite Element MethodLecture 9 - Introduction to Finite Element MethodLecture 10 - Introduction to Finite Element MethodLecture 11 - Introduction to Finite Element MethodLecture 12 - Introduction to Finite Element MethodLecture 13 - Introduction to Finite Element MethodLecture 14 - Introduction to Finite Element MethodLecture 15 - Introduction to Finite Element MethodLecture 16 - Introduction to Finite Element MethodLecture 17 - Introduction to Finite Element MethodLecture 18 - Introduction to Finite Element MethodLecture 19 - Introduction to Finite Element MethodLecture 20 - Introduction to Finite Element MethodLecture 21 - Introduction to Finite Element MethodLecture 22 - Introduction to Finite Element MethodLecture 23 - Introduction to Finite Element MethodLecture 24 - Introduction to Finite Element MethodLecture 25 - Introduction to Finite Element MethodLecture 26 - Introduction to Finite Element MethodLecture 27 - Introduction to Finite Element MethodLecture 28 - Introduction to Finite Element MethodLecture 29 - Introduction to Finite Element Method



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Lecture 30 - Introduction to Finite Element MethodLecture 31 - Introduction to Finite Element MethodLecture 32 - Introduction to Finite Element MethodLecture 33 - Introduction to Finite Element Method



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NPTEL Video Course - Mechanical Engineering - Mechanical Measurements and Metrology

Subject Co-ordinator - Prof. Shunmugam M. S, Prof. S.P. Venkateshan



Lecture 1 - Introduction to the Study of Mechanical MeasurementLecture 2 - Errors in MeasurementLecture 3 - Errors in Measurement (Continued...)Lecture 4 - Propagation of ErrorsLecture 5 - Regression AnalysisLecture 6 - Regression Analysis (Continued...)Lecture 7 - Design of ExperimentsLecture 8 - Design of Experiments (Continued...)Lecture 9 - Temperature MeasurementLecture 10 - Overview of ThermometryLecture 11 - Thermoelectric ThermometryLecture 12 - Thermoelectric Thermometry (Continued...)Lecture 13 - Measurement of Temperature Under Various ConditionsLecture 14 - Errors in Temperature MeasurementLecture 15 - Measurement of Transient Temperature and Resistance ThermometryLecture 16 - Resistance Thermometry (Continued...)Lecture 17 - Resistance Thermometry (Continued...) and pyrometryLecture 18 - pyrometry (Continued...)Lecture 19 - pyrometry (Continued...)Lecture 20 - Pressure Measurement (Continued...)Lecture 21 - Pressure Measurement (Continued...)Lecture 22 - Pressure Measurement (Continued...)Lecture 23 - Pressure Measurement (Continued...)Lecture 24 - Transient Response of Pressure TransducersLecture 25 - Transient Response of Pressure TransducersLecture 26 - Measurement of High VacuumLecture 27 - Measurement of Fluid VelocityLecture 28 - Hot Wire Anemometry and Laser Doppler VelocimetryLecture 29 - Laser Doppler Velocimetry and Ultrasonic Methods



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Lecture 30 - Measurement of Heat FluxLecture 31 - Measurement of Heat Flux (Continued...)Lecture 32 - Transient Method of Heat Flux MeasurementLecture 33 - Measurement of Volume and Mass Flow Rate of FluidLecture 34 - Flow Measuring DevicesLecture 35 - Measurement of Stagnation and Bulk Mean TemperatureLecture 36 - Measurement of Thermo-Physical PropertiesLecture 37 - Measurement of Thermal ConductivityLecture 38 - Measurement of Heat Capacity and Heating ValueLecture 39 - Measurement of ViscosityLecture 40 - Measurement of Viscosity (Continued...)Lecture 41 - Integrating Sphere and Measurement of EmissivityLecture 42 - Measurements of Gas CompositionLecture 43 - Measurements of Gas Composition (Continued...)Lecture 44 - Measurements of Gas Composition and SmokeLecture 45 - Measurement of ForceLecture 46 - Force MeasurementLecture 47 - Vibration and Acceleration MeasurementLecture 48 - Laser Doppler Accelerometer,Speed,TorqueLecture 49 - General Issues in Mechanical MeasurementLecture 50 - Case Studies



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NPTEL Video Course - Mechanical Engineering - Principles of Mechanical Measurements

Subject Co-ordinator - Prof. R. Raman



Lecture 1 - Principles Of Mechanical MeasurementsLecture 2 - Principles Of Mechanical MeasurementsLecture 3 - Principles Of Mechanical MeasurementsLecture 4 - Principles Of Mechanical MeasurementsLecture 5 - Principles Of Mechanical MeasurementsLecture 6 - Principles Of Mechanical MeasurementsLecture 7 - Principles Of Mechanical MeasurementsLecture 8 - Principles Of Mechanical MeasurementsLecture 9 - Principles Of Mechanical MeasurementsLecture 10 - Principles of Mechanical MeasurementsLecture 11 - Principles Of Mechanical MeasurementsLecture 12 - Principles Of Mechanical MeasurementsLecture 13 - Principles Of Mechanical MeasurementsLecture 14 - Principles Of Mechanical MeasurementsLecture 15 - Principles Of Mechanical MeasurementsLecture 16 - Principles Of Mechanical MeasurementsLecture 17 - Principles Of Mechanical MeasurementsLecture 18 - Principles Of Mechanical MeasurementsLecture 19 - Principles Of Mechanical MeasurementsLecture 20 - Principles Of Mechanical MeasurementsLecture 21 - Principles Of Mechanical MeasurementsLecture 22 - Principles Of Mechanical MeasurementsLecture 23 - Principles Of Mechanical MeasurementsLecture 24 - Principles Of Mechanical MeasurementsLecture 25 - Principles Of Mechanical MeasurementsLecture 26 - Principles Of Mechanical Measurements



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NPTEL Video Course - Mechanical Engineering - Spray Theory and Applications

Subject Co-ordinator - Prof. Mahesh Panchagnula, Dr. Paul E. Sojka

Co-ordinating Institute - IIT - Madras | Purdue University


Lecture 1 - Introduction to sprays and their applicationsLecture 2 - Spatial versus Temporal SamplingLecture 3 - Spatial Vs Temporal Sampling example problemLecture 4 - Steady vs unsteady sprayLecture 5 - Statistical measures on sprayLecture 6 - Discussion on pdf and momentsLecture 7 - Size velocity correlationLecture 8 - Discussion on Interfacial tensionLecture 9 - Introduction to Atomizers and their design - 1Lecture 10 - Introduction to Atomizers and their design - 2Lecture 11 - Simple measurement techniquesLecture 12 - Selection of atomizersLecture 13 - Spray measurement characteristicsLecture 14 - Spray measurements techniquesLecture 15 - Non-intrusive spray measurements techniquesLecture 16 - Non-intrusive spray measurements techniquesLecture 17 - Linear stability analysis â�� IntroductionLecture 18 - Linear stability analysis- Kelvin-Helmhotz instability - 1Lecture 19 - Linear stability analysis- Kelvin-Helmhotz instability - 2Lecture 20 - Linear stability analysis- Kelvin-Helmhotz instability - 3Lecture 21 - Linear stability analysis procedureLecture 22 - Linear stability analysis - Cylindrial jet instability - 1Lecture 23 - Linear stability analysis - Cylindrial jet instability - 2Lecture 24 - Linear stability analysis - Planar Liquid Sheet instability - 1Lecture 25 - Linear stability analysis - Planar Liquid Sheet instability - 2Lecture 26 - Design of pressure swirl atomizer - 1Lecture 27 - Design of pressure swirl atomizer - 2Lecture 28 - Design of pressure swirl atomizer - 3Lecture 29 - Design of pressure swirl atomizer - 4



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Lecture 30 - Secondary atomization-Dimensionless parametersLecture 31 - Secondary atomization-Modes of breakup - 1Lecture 32 - Secondary atomization-Modes of breakup - 2Lecture 33 - Multiphase modellingLecture 34 - Multiphase modellingLecture 35 - Multiphase flow modelling basicsLecture 36 - Multiphase modelling â�� Selection of model - 1Lecture 37 - Multiphase modelling â�� Selection of model - 2Lecture 38 - Multiphase modelling - Governing equationsLecture 39 - Droplet evaporationLecture 40 - Droplet combustionLecture 41 - Spray combustion



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NPTEL Video Course - Mechanical Engineering - Conduction And Radiation

Subject Co-ordinator - Prof. C. Balaji



Lecture 1 - Importance of Thermal RadiationLecture 2 - Blackbody definitionLecture 3 - Solid angle, spectral radiation intensityLecture 4 - Radiation pressure and radiation energy densityLecture 5 - Relationship between â��Iâ�• and â��Tâ�• and Candidate blackbody distribution functionsLecture 6 - Candidate blackbody distribution functions (Continued...)Lecture 7 - Planck's blackbody radiation distribution functionLecture 8 - Planck's distribution and Wien's displacement lawLecture 9 - Universal blackbody functionLecture 10 - EmissivityLecture 11 - Emissivity (Continued...)Lecture 12 - Emissivity (Continued...)Lecture 13 - Kirchoff law, AbsorptivityLecture 14 - Kirchoff law, Absorptivity (Continued...)Lecture 15 - Problems on emissivity, absorptivityLecture 16 - ReflectivityLecture 17 - TransmissivityLecture 18 - Problems on reflectivity and transmissivityLecture 19 - Radiation heat transfer between surfacesLecture 20 - View factorLecture 21 - View factor (Continued...)Lecture 22 - View factor (Continued...)Lecture 23 - Enclosure analysisLecture 24 - Enclosure analysis (Continued...)Lecture 25 - Enclosure analysis - Gray surfaceLecture 26 - Enclosure analysis - Non gray surfacesLecture 27 - Radiation in participating mediaLecture 28 - Solution to the RTELecture 29 - Concept of mean beam length



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Lecture 30 - Enclosure analysis in the presence of absorbing / emitting gasLecture 31 - Emissivities and absorptivities of Gas mixturesLecture 32 - Conduction - IntroductionLecture 33 - Conduction - Energy equationLecture 34 - Conduction - 1D, steady stateLecture 35 - Conduction - 1D, heat generationLecture 36 - Fin heat transfer - ILecture 37 - Fin heat transfer - IILecture 38 - Conduction - Cylindrical and Spherical geometriesLecture 39 - Transient conductionLecture 40 - Transient conduction (Continued...)Lecture 41 - Two dimensional steady state conductionLecture 42 - Analytical solution for Laplace equationLecture 43 - Numerical methods in conductionLecture 44 - Numerical methods in conduction (Continued...)Lecture 45 - Conduction with change of phaseLecture 46 - Conduction with change of phase (Continued...)



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NPTEL Video Course - Mechanical Engineering - Gas Dynamics and Propulsion

Subject Co-ordinator - Prof. V. Babu



Lecture 1 - IntroductionLecture 2 - Introduction / Fundamental IdeasLecture 3 - Fundamental IdeasLecture 4 - Fundamental IdeasLecture 5 - Fundamental Ideas / Normal Shock WavesLecture 6 - Normal Shock WavesLecture 7 - Normal Shock Waves / Rayleigh FlowLecture 8 - Rayleigh FlowLecture 9 - Rayleigh FlowLecture 10 - Rayleigh Flow / Fanno FlowLecture 11 - Fanno FlowLecture 12 - Fanno FlowLecture 13 - Fanno Flow / Quasi One Dimensional FlowsLecture 14 - Quasi One Dimensional FlowsLecture 15 - Quasi One Dimensional FlowsLecture 16 - Quasi One Dimensional FlowsLecture 17 - Quasi One Dimensional FlowsLecture 18 - Quasi One Dimensional FlowsLecture 19 - Quasi One Dimensional FlowsLecture 20 - Oblique Shock WavesLecture 21 - Oblique Shock WavesLecture 22 - Oblique Shock WavesLecture 23 - Oblique Shock Waves / Prandtl Meyer WavesLecture 24 - Prandtl Meyer WavesLecture 25 - Prandtl Meyer WavesLecture 26 - Propulsion - an IntroductionLecture 27 - Components of the Gas Turbine EngineLecture 28 - Components of the Gas Turbine EngineLecture 29 - Components of the Gas Turbine Engine



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Lecture 30 - Components of the Gas Turbine EngineLecture 31 - Components of the Gas Turbine Engine / Thermodynamic Analysis of the EngineLecture 32 - Thermodynamic Analysis of the EngineLecture 33 - Thermodynamic Analysis of the EngineLecture 34 - Calculations for Thrust and Fuel ConsumptionLecture 35 - Calculations for Thrust and Fuel ConsumptionLecture 36 - Calculations for Thrust and Fuel Consumption / Emerging TrendsLecture 37 - Emerging Trends / RamjetsLecture 38 - RamjetsLecture 39 - Ramjets / ScramjetsLecture 40 - Scramjets



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NPTEL Video Course - Mechanical Engineering - Microfluidics

Subject Co-ordinator - Dr. Ashis Kumar Sen



Lecture 1 - Introduction and ScalingLecture 2 - ScalingLecture 3 - Micro-scale fluid mechanicsLecture 4 - Micro-scale fluid mechanics (Continued...)Lecture 5 - Micro-scale fluid mechanics (Continued...)Lecture 6 - Micro-scale fluid mechanics (Continued...)Lecture 7 - Micro-scale fluid mechanics (Continued...)Lecture 8 - Micro-scale fluid mechanics (Continued...)Lecture 9 - Micro-scale fluid mechanics (Continued...)Lecture 10 - Micro-scale fluid mechanics (Continued...)Lecture 11 - Capillary FlowsLecture 12 - Capillary Flows (Continued...)Lecture 13 - Capillary Flows and ElectrokineticsLecture 14 - ElectrokineticsLecture 15 - Electrokinetics (Continued...)Lecture 16 - Electrokinetics (Continued...)Lecture 17 - Electrokinetics (Continued...)Lecture 18 - Electrokinetics (Continued...)Lecture 19 - Electrokinetics (Continued...)Lecture 20 - Electrokinetics and MagnetophoresisLecture 21 - Microfabrication TechniquesLecture 22 - Microfabrication Techniques (Continued...)Lecture 23 - Microfabrication Techniques (Continued...)Lecture 24 - Microfabrication Techniques (Continued...)Lecture 25 - Microfabrication Techniques (Continued...)Lecture 26 - Microfabrication Techniques (Continued...)Lecture 27 - Microfabrication Techniques (Continued...)Lecture 28 - Microfabrication Techniques (Continued...)Lecture 29 - Micropump



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Lecture 30 - Micropump (Continued...)Lecture 31 - MicrovalveLecture 32 - Microvalve (Continued...)Lecture 33 - Microvalve (Continued...)Lecture 34 - Micro Flow Sensor and Micro mixersLecture 35 - Micro mixersLecture 36 - Micro mixers (Continued...)Lecture 37 - Micro dropletsLecture 38 - Micro reactors (Continued...)Lecture 39 - Micro needles and Microparticle separationLecture 40 - Few applications of microfluidicsLecture 41 - Lab Demo



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NPTEL Video Course - Mechanical Engineering - Convective Heat Transfer

Subject Co-ordinator - Dr. Arvind Pattamatta, Prof. Ajit K. Kolar



Lecture 1 - Introduction to convective heat transfer - Part 1Lecture 2 - Introduction to convective heat transfer - Part 2Lecture 3 - Continuity EquationLecture 4 - Momentum and Energy EquationsLecture 5 - Energy EquationLecture 6 - Reynolds Transport TheoremLecture 7 - Entrophy Generation and streamfunction-vorticity formulationLecture 8 - Couette flow - Part 1Lecture 9 - Couette flow - Part 2Lecture 10 - Couette flow - Part 3Lecture 11 - Boundary layer approximationLecture 12 - Laminar External flow past flat plate (Blasius Similarity Solution)Lecture 13 - Numerical solution to the Blasius equation and similarity solution to heat transferLecture 14 - Pohlhausen similarity solution and flows including pressure gradient (Falkner-Skan)Lecture 15 - Falkner skan solutions for heat transferLecture 16 - Similarity solution for flow and heat transfer with transpiration at wallsLecture 17 - Thermal boundary layer in high speed flowsLecture 18 - Approximate(Integral) methods for laminar external flow and heat transferLecture 19 - Integral method for laminar external thermal boundary layer over isothermal surfaceLecture 20 - Integral method for flows with pressure gradient (von Karman-Pohlhausen method)Lecture 21 - Integral method with pressure gradientLecture 22 - Heat transfer across a circular cylinderLecture 23 - Duhamel's method for varying surface temperatureLecture 24 - Laminar External heat transfer with non uniform surface temperatureLecture 25 - Laminar internal forced convection - fundamentalsLecture 26 - Hydrodynamically and thermally fully developed internal laminar flowsLecture 27 - Fully developed laminar internal flow and heat transferLecture 28 - Shooting method for fully developed heat transfer and thermal entry length problemLecture 29 - Thermal entry length problem with plug velocity profile



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Lecture 30 - Extended Graetz problem for parabolic velocity profileLecture 31 - Extended Graetz problemLecture 32 - Extended Graetz problem with wall flux boundary conditionLecture 33 - Approximate method for laminar internal flowsLecture 34 - Integral method for thermal entry length problemLecture 35 - Introduction to Natural Convection Heat TransferLecture 36 - Similarity Solution in Natural Convection for Vertical isothermal Plate - Part 1Lecture 37 - Similarity Solution in Natural Convection for Vertical isothermal Plate - Part 2Lecture 38 - Similarity Solution in Natural Convection for Vertical isoflux PlateLecture 39 - Approximate Method in Natural Convection Heat TransferLecture 40 - Natural Convection in Other ConfigurationsLecture 41 - Turbulent Convective Heat TransferLecture 42 - Turbulent Convective Heat TransferLecture 43 - Analogies in Turbulent Convective Heat Transfer - Part 1Lecture 44 - Analogies in Turbulent Convective Heat Transfer - Part 2



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NPTEL Video Course - Mechanical Engineering - Introduction to Explosions and Explosion Safety

Subject Co-ordinator - Prof. K. Ramamurthi



Lecture 1 - Loud Bang and DisruptionLecture 2 - Blast Wave in an ExplosionLecture 3 - Typical Examples of Explosions and ClassificationLecture 4 - Shock Hugoniot and Rayleigh LineLecture 5 - Properties behind a Constant Velocity ShockLecture 6 - Blast wavesLecture 7 - Blast wavesLecture 8 - Blast WavesLecture 9 - Blast WavesLecture 10 - Blast WavesLecture 11 - Blast WavesLecture 12 - Blast WavesLecture 13 - Energy Release in a Chemical ReactionLecture 14 - Energy ReleaseLecture 15 - Energy ReleaseLecture 16 - Rate of Energy ReleaseLecture 17 - Thermal Theory of ExplosionLecture 18 - Thermal TheoryLecture 19 - Role of Chain Carriers in an ExplosionLecture 20 - Combustion - ILecture 21 - Combustion - IILecture 22 - Case Histories of Explosions involving Volatile LiquidsLecture 23 - DetonationLecture 24 - Structure of DetonationsLecture 25 - Realizable States in a DetonationLecture 26 - One Dimensional Model of DetonationLecture 27 - Case Histories of Explosions involving Detonation or Quasi-DetonationLecture 28 - Explosions in Confined and Unconfined GeometriesLecture 29 - Dust Explosions - I



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Lecture 30 - Dust Explosions - IILecture 31 - Physical ExplosionsLecture 32 - Rupture of Cryogenic Storage Vessels and Pressure VesselsLecture 33 - Condensed Phased Explosives Based on HydrocarbonsLecture 34 - Condensed Phase Explosives and their PropertiesLecture 35 - TNT Equivalence and Yield of an ExplosionLecture 36 - Atmospheric DispersionLecture 37 - Modeling Atmospheric DispersionLecture 38 - Explosions Involving Atmospheric DispersionLecture 39 - Quantification of Damages in an ExplosionLecture 40 - Risk Analysis for an Explosion



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NPTEL Video Course - Mechanical Engineering - Metrology

Subject Co-ordinator - Dr. K. Sadashivappa



Lecture 1 - Introduction to MetrologyLecture 2 - Metrology terminologiesLecture 3 - Measurement errorsLecture 4 - Linear measuring instruments Â� 1 (Angle plate, steel rule, spring calipers)Lecture 5 - Linear measuring instruments Â� 2 (Combination set, Vernier calipers)Lecture 6 - Linear measuring instruments Â� 3 (Height gauge, Micrometers Â� 1)Lecture 7 - Linear measuring instruments Â� 4 (Micrometers Â� 2, Bore gauge)Lecture 8 - Linear measuring instruments Â� 5 (Dial indicators, thickness gauges, depth gauges)Lecture 9 - Manufacturing tolerances and fitsLecture 10 - Terminologies of limits fits and tolerancesLecture 11 - Numerical problems on fit and tolerancesLecture 12 - Selection of fits, Geometrical tolerancesLecture 13 - Positional tolerancesLecture 14 - Limit gauging - 1Lecture 15 - Limit gauging - 2Lecture 16 - Design of limit gaugesLecture 17 - Measurement of straightness, flatness and squarenessLecture 18 - Perpendicularity measurementLecture 19 - Basics of surface roughnessLecture 20 - Surface finish parametersLecture 21 - Stylus type surface finish measuring instrumentsLecture 22 - Non-contact type surface finish measuring instrumentsLecture 23 - Screw thread production and terminologyLecture 24 - Measurement of screw thread elementsLecture 25 - Introduction to gearsLecture 26 - Measurement of gear elementsLecture 27 - Angle measurement - 1Lecture 28 - Angle measurement - 2Lecture 29 - Radius measurement, Contact angle measurement



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Lecture 30 - Basics of interferometryLecture 31 - InterferometersLecture 32 - Introduction to comparators, Mechanical comparatorsLecture 33 - Electrical and electronic comparators, Optical comparatorsLecture 34 - Pneumatic comparatorsLecture 35 - Geometrical tests on latheLecture 36 - Geometrical tests on pillar type drilling machineLecture 37 - Universal measuring machine (UMM) and Coordinate measuring machine (CMM)Lecture 38 - CMM probes and CMM softwareLecture 39 - Feature measurement using CMM, Laser visionLecture 40 - In-process gauging and controlLecture 41 - Stage position metrologyLecture 42 - Micro and Nano stages, Nano technology instrumentationLecture 43 - Optical system designLecture 44 - Complex opto- mechanical assemblies, Metrology testing and certification services



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NPTEL Video Course - Mechanical Engineering - NOC:Engineering Mechanics Statics and Dynamics

Subject Co-ordinator - Prof. Mahesh Panchagnula



Lecture 1 - Introduction to the courseLecture 2 - Newton's lawsLecture 3 - EquilibriumLecture 4 - Example 1 - StaticsLecture 5 - Example 2 - Rigid Body SystemsLecture 6 - Example 3 - Rigid Body SystemsLecture 7 - Structural Systems with rigid bodiesLecture 8 - Types of 1-D Structural ElementsLecture 9 - Axial membersLecture 10 - Analysis of the truss systemLecture 11 - Stability of Structural systemsLecture 12 - Beams - Example 1Lecture 13 - Beams - BMD and SFDLecture 14 - Beams - Loading, Shear and Bending Moment RelationsLecture 15 - Static FrictionLecture 16 - Friction - Solving ProblemsLecture 17 - Particle Kinematics - 1Lecture 18 - Particle Kinematics - 2 (Example)Lecture 19 - Particle Kinematics - Curvilinear CoordinatesLecture 20 - Rigid Body KinematicsLecture 21 - Rotational Motion (Example 1)Lecture 22 - Rotational Motion (Example 2)Lecture 23 - Dynamics (Introduction)Lecture 24 - Dynamics - Example 1Lecture 25 - Dynamics - Example 2Lecture 26 - Dynamics - Example 3Lecture 27 - Dynamics - Example 4Lecture 28 - Center of Percussion - ExampleLecture 29 - Impulse / Momentum - Example 1



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Lecture 30 - Impulse / Momentum - Example 2Lecture 31 - Impulse / Momentum - Example 3Lecture 32 - Impulse / Momentum - Example 4Lecture 33 - Work Energy Methods - Example 1Lecture 34 - Work Energy Methods - Example 2Lecture 35 - Work Energy Methods - Example 3



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NPTEL Video Course - Mechanical Engineering - NOC:Foundation of Computational Fluid Dynamics

Subject Co-ordinator - Dr.S.Vengadesan



Week 1 - Module-1Week 1 - Module-2Week 1 - Module-3Week 1 - Module-4Week 1 - Module-5Week 2 - Module-1Week 2 - Module-2Week 2 - Module-3Week 2 - Module-4Week 2 - Module-5Week 3 - Module-1Week 3 - Module-2Week 3 - Module-3Week 3 - Module-4Week 3 - Module-5Week 4 - Module-1Week 4 - Module-2Week 4 - Module-3Week 4 - Module-4Week 4 - Module-5Week 5 - Module-1Week 5 - Module-2Week 5 - Module-3Week 5 - Module-4Week 5 - Module-5Week 5 - Module-6Week 6 - Module-1Week 6 - Module-2 - Part 1Week 6 - Module-2 - Part 2



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Week 6 - Module-3Week 6 - Module-4Week 6 - Module-5Week 7 - Module-1Week 7 - Module-2Week 7 - Module-3Week 7 - Module-4Week 7 - Module-5Week 8 - Module-1Week 8 - Module-2Week 8 - Module-3Week 8 - Module-4Week 8 - Module-5Week 8 - Module-6Conclusion



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NPTEL Video Course - Mechanical Engineering - NOC:Introduction to Boundary Layers

Subject Co-ordinator - Dr. Rinku Mukherjee



Lecture 1 - Review of fundamentals of fluid mechanics - ILecture 2 - Review of fundamentals of fluid mechanics - IILecture 3 - Concept of a Boundary Layer (BL) - ILecture 4 - Concept of a Boundary Layer (BL) - IILecture 5 - Concepts of BL thickness (?)Lecture 6 - Concepts of BL displacement thickness (?*) and BL momentum thickness (?)Lecture 7 - Control Volume approach to derive expressions for ?* over a flat plateLecture 8 - Control Volume approach to derive expressions for ? over a flat plateLecture 9 - Concept of wall frictionLecture 10 - Concept of friction dragLecture 11 - Skin Friction Coefficient - ILecture 12 - Skin Friction Coefficient - IILecture 13 - Derivation of Prandtls Laminar BL Equations - ILecture 14 - Derivation of Prandtls Laminar BL Equations - IILecture 15 - Derivation of Prandtls Laminar BL Equations - IIILecture 16 - Derivation of Prandtls Laminar BL Equations - IVLecture 17 - Similarity Solutions to the BL Equations Applied to a Flat Plate - ILecture 18 - Similarity Solutions to the BL Equations Applied to a Flat Plate - IILecture 19 - Similarity Solutions to the BL Equations Applied to a Flat Plate - IIILecture 20 - Runge-Kutta Method to Numerically Solve the BL Equations Applied to a Flat PlateLecture 21 - Description of the Numerical Code to Solve the BL Equations Applied to a Flat PlateLecture 22 - Similarity Solutions to the BL Equations (other than flat plate) - ILecture 23 - Similarity Solutions to the BL Equations (other than flat plate) - IILecture 24 - Similarity Solutions to the BL Equations (other than flat plate) - IIILecture 25 - Similarity Solutions to the BL Equations (other than flat plate) - IVLecture 26 - Description of the Numerical Code to Solve the BL Equations (other than flat plate)Lecture 27 - The Energy Equation - ILecture 28 - The Energy Equation - IILecture 29 - Similarity Solutions to Thermal BL - I



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Lecture 30 - Similarity Solutions to Thermal BL - IILecture 31 - Similarity Solutions to Thermal BL - IIILecture 32 - BL Separation with Pressure-Gradient - ILecture 33 - BL Separation with Pressure Gradient - IILecture 34 - Effect of Prandtl Number in Thermal BL - ILecture 35 - Effect of Prandtl Number in Thermal BL - IILecture 36 - Effect of Prandtl Number in Thermal BL - IIILecture 37 - Effect of Dissipation in Thermal BL - ILecture 38 - Effect of Dissipation in Thermal BL - IILecture 39 - Effect of Dissipation in Thermal BL - IIILecture 40 - Similarity Solutions to Thermal BL - An Overview



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NPTEL Video Course - Mechanical Engineering - NOC:Fundamentals of Gas Dynamics

Subject Co-ordinator - Prof.A. Sameen



Lecture 1 - IntroductionLecture 2 - Basics of ThermodynamicsLecture 3 - Tutorial 1Lecture 4 - Control Volume ApproachLecture 5 - Conservation EquationsLecture 6 - Tutorial 2Lecture 7 - Energy EquationLecture 8 - Concept of stagnationLecture 9 - Discussion on stagnationLecture 10 - Velocity of soundLecture 11 - Discussion on velocity of sound and mach numberLecture 12 - Wave propagationLecture 13 - Mach waveLecture 14 - Mach number relationsLecture 15 - Variable Area Adiabatic flowLecture 16 - Variable Area Adiabatic flow (Continued...)Lecture 17 - * reference quantities and their relationsLecture 18 - Importance of stagnation temperature in relation to vLecture 19 - Discussion on variable area adiabaic flow and * reference quantitiesLecture 20 - Gas tablesLecture 21 - Converging nozzleLecture 22 - Condition of choked flow and associated propertiesLecture 23 - Area ratio and pressure ratio in converging nozzlesLecture 24 - Discussion on converging nozzlesLecture 25 - Converging - Diverging (C-D) nozzlesLecture 26 - More on C-D nozzlesLecture 27 - Discussion on C-D nozzles - 1Lecture 28 - Discussion on C-D nozzles - 2Lecture 29 - Examples and applications of flow through C-D nozzles



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Lecture 30 - Introduction to normal shocksLecture 31 - Normal shock relations - 1Lecture 32 - Normal shock relations - 2Lecture 33 - Rankine-Hugoniot equationLecture 34 - Discussion on Normal Shocks - 1Lecture 35 - Discussion on Normal Shocks - 2Lecture 36 - Normal shocks in C-D nozzlesLecture 37 - Normal shocks in C-D nozzles (Continued...)Lecture 38 - Moving Normal ShocksLecture 39 - Discussion on moving normal shocksLecture 40 - Oblique shocksLecture 41 - Oblique shock relationsLecture 42 - Discussion on oblique shocksLecture 43 - Reflection of oblique shocksLecture 44 - Discussion on reflection of oblique shocksLecture 45 - Prandtl-Meyer flowLecture 46 - Prandtl-Meyer flow (Continued...)Lecture 47 - Discussion on Prandtl-Meyer expansionLecture 48 - Shock Polar diagram and Prandtl-Meyer relation for Oblique shocks



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NPTEL Video Course - Mechanical Engineering - NOC:Experimental Stress Analysis:An Overview




Lecture 1 - Introduction to Stress Analysis Â� Analytical and Numerical ApproachesLecture 2 - Introduction to Stress Analysis - Experimental ApproachesLecture 3 - Optical Methods Work as Optical ComputersLecture 4 - Basic information provided by various experimental methodsLecture 5 - Visual Appreciation of Field Information - Part 1Lecture 6 - Visual Appreciation of Field Information - Part 2Lecture 7 - Visual Appreciation of Field Information - Part 3Lecture 8 - Visual Appreciation of Field Information - Part 4Lecture 9 - Visual Appreciation of Field Information - Part 5Lecture 10 - Completeness of a Numerical SolutionLecture 11 - Principle of Strain GaugesLecture 12 - Overview of Strain Gauge MeasurementsLecture 13 - Elegance of PhotoelasticityLecture 14 - Introduction to PhotoelasticityLecture 15 - Different PolariscopesLecture 16 - Principles of MoirÃ©Lecture 17 - Introduction to MoirÃ©Lecture 18 - Introduction to Brittle CoatingsLecture 19 - Introduction to HolographyLecture 20 - Introduction to Hologram InterferometryLecture 21 - Introduction to Double exposure hologram interferometryLecture 22 - Introduction to Speckle MethodsLecture 23 - Introduction to Speckle Interferometry TechniquesLecture 24 - Introduction to TSA and DICLecture 25 - Introduction to CausticsLecture 26 - Introduction to Coherent Gradient SensorLecture 27 - Naming of Experimental MethodsLecture 28 - Fringe Patterns - Richness of Qualitative InformationLecture 29 - Key technologies that have influenced Experimental Mechanics



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Lecture 30 - Multiscale analysis and trends in experimental mechanicsLecture 31 - Selection of an experimental technique - Part 1Lecture 32 - Selection of an experimental technique - Part 2



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NPTEL Video Course - Mechanical Engineering - NOC:Fluid Dynamics and Turbomachines

Subject Co-ordinator - Prof. Dhiman Chatterjee, Prof. Shamit Bakshi



Lecture 1 - Introduction to Fluid FlowLecture 2 - Flow field, Stresses on fluid element, Newtonian fluidLecture 3 - Non Newtonian fluid, Classification of flow, Analysis of flowLecture 4 - TutorialLecture 5 - Lecture 1 - Integral analysis, Control volume, Generalised conservation equationLecture 6 - Lecture 2 - Mass and linear momentum conservation in CVLecture 7 - Lecture 3 - Angular momentum conservation, Non-inertial frame of referenceLecture 8 - Lecture 4 - TutorialLecture 9 - Lecture 1 - Differential AnalysisLecture 10 - Lecture 2 - Navier-Stokes equation for 2D incompressible flowLecture 11 - Lecture 3 - Vorticity, Stream function, Bernoulli's equationLecture 12 - Lecture 4 - TutorialLecture 13 - Lecture 1 - External flows, Laminar and Turbulent Boundary LayerLecture 14 - Lecture 2 - Differential analysis of boundary layer, Blassius equationLecture 15 - Lecture 3 - Boundary Layer flow with pressure gradient, Flow separationLecture 16 - Lecture 4 - Internal flow, Pipe frictionLecture 17 - Lecture 1 - Basic ThermodynamicsLecture 18 - Lecture 2 - TurbomachinesLecture 19 - Lecture 3 - Dimensional AnalysisLecture 20 - Lecture 4 - TutorialLecture 21 - Lecture 1 - Representation of Turbomachines and Definition of velocityLecture 22 - Lecture 2 - Euler's energy equationLecture 23 - Lecture 3 - Real fluid flow and efficiency of turbomachineLecture 24 - Lecture 4 - TutorialLecture 25 - Lecture 1 - PumpsLecture 26 - Lecture 2 - Pumping SystemsLecture 27 - Lecture 3 - Hydraulic TurbinesLecture 28 - Lecture 4 - Hydraulic TurbinesLecture 29 - Lecture 5 - Cavitation in Hydroturbomachines



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Lecture 30 - Lecture 6 - TutorialLecture 31 - Lecture 1 - Introduction to compressible flowLecture 32 - Lecture 2 - Steam and Gas TurbineLecture 33 - Lecture 3 - Steam and Gas TurbineLecture 34 - Lecture 4 - Tutorial



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NPTEL Video Course - Mechanical Engineering - NOC:Micro and Nano Scale Energy Transport

Subject Co-ordinator - Dr. Arvind Pattamatta



Lecture 1 - Overview to Micro/Nanoscale energy transport - Part 1Lecture 2 - Overview to Micro/Nanoscale energy transport - Part 2Lecture 3 - Some applications of Micro/Nanoscale energy transportLecture 4 - Continuum heat transfer and its limitationLecture 5 - Energy carriers at Micro/Nanoscale and their attributesLecture 6 - Microscopic contributes to Internal energy of a systemsLecture 7 - Fundamentals of Quantum mechanics - Part 1Lecture 8 - Fundamentals of Quantum mechanics - Part 2Lecture 9 - Fundamentals of Quantum mechanics - Part 3Lecture 10 - Fundamentals of Quantum mechanics - Part 4Lecture 11 - Fundamentals of Quantum mechanics - Part 5Lecture 12 - Fundamentals of solid state physics - Part 1Lecture 13 - Fundamentals of solid state physics - Part 2Lecture 14 - Fundamentals of solid state physics - Part 3Lecture 15 - Fundamentals of solid state physics - Part 4Lecture 16 - Fundamentals of statistical thermodynamics - Part 1Lecture 17 - Fundamentals of statistical thermodynamics - Part 2Lecture 18 - Fundamentals of statistical thermodynamics - Part 3Lecture 19 - Fundamentals of statistical thermodynamics - Part 4Lecture 20 - Kinetic theory of energy carriers - Part 1Lecture 21 - Kinetic theory of energy carriers - Part 2Lecture 22 - Non-equilibrium energy transport at NanoscalesLecture 23 - Boltzmann Transport Equation under the relaxation time approximationLecture 24 - Derivation of Continuum laws from Boltzmann Transport Equation - Part 1Lecture 25 - Derivation of Continuum laws from Boltzmann Transport Equation - Part 2Lecture 26 - Derivation of Continuum laws from Boltzmann Transport Equation - Part 3Lecture 27 - Nanoscale Energy transport in a Thin Film - Part 1Lecture 28 - Nanoscale Energy transport in a Thin Film - Part 2Lecture 29 - Nanoscale Energy transport in a Thin Film - Part 3



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Lecture 30 - Gas flow and Heat transport in Microchannels - Part 1Lecture 31 - Gas flow and Heat transport in Microchannels - Part 2Lecture 32 - Single phase liquid flow and Heat transport in Microchannels - Part 1Lecture 33 - Single phase liquid flow and Heat transport in Microchannels - Part 2Lecture 34 - Fundamentals of Electro kinetics in Microchannels Part1Lecture 35 - Fundamentals of Electro kinetics in Microchannels Part2Lecture 36 - Fundamentals of Electro kinetics in Microchannels Part3Lecture 37 - Two phase Heat transfer in Microchannels - Part 1Lecture 38 - Two phase Heat transfer in Microchannels - Part 2Lecture 39 - Nano fluid Heat transfer - Part 1Lecture 40 - Nano fluid Heat transfer - Part 2Lecture 41 - Measurement techniques in Micro and Nanoscale Heat transfer - Part 1Lecture 42 - Measurement techniques in Micro and Nanoscale Heat transfer - Part 2



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NPTEL Video Course - Mechanical Engineering - NOC:Electron Diffraction and Imaging

Subject Co-ordinator - Prof. Sundararaman M



Lecture 1 - 1D-2D-3D latticeLecture 2 - Stereographic projection - 1Lecture 3 - Stereographic Projection - 2Lecture 4 - Symmetry in 1-D crystalsLecture 5 - Symmetry in 2-D crystalsLecture 6 - Symmetry in 3-D crystalsLecture 7 - Understanding IUCr tablesLecture 8 - Symmetry in 3-D CrystalsLecture 9 - Reciprocal latticeLecture 10 - Directions Planes and zone axesLecture 11 - Interplanar distances and anglesLecture 12 - Diffraction - 1Lecture 13 - Diffraction - 2Lecture 14 - Diffraction - Structure and Shape FactorLecture 15 - Transformation of IndicesLecture 16 - Microscope - 1Lecture 17 - Microscope - 2Lecture 18 - Kikuchi DiffractionLecture 19 - Double Diffraction and CBEDLecture 20 - CBED and Precession Electron DiffractionLecture 21 - Indexing Diffraction PatternLecture 22 - Correlation of Diffraction Spots to MicrostructureLecture 23 - 3-Index to 4-Index SystemLecture 24 - Kinematical and Dynamical Theory of Diffraction and ImagingLecture 25 - Contrast from Planar DefectsLecture 26 - Contrast from Strain FieldsLecture 27 - Atomic Scattering FactorLecture 28 - CoherenceLecture 29 - Lens Aberrations



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Lecture 30 - Phase Contrast Microscopy - 1Lecture 31 - Phase Contrast Microscopy - 2Lecture 32 - Phase Contrast Microscopy - 3Lecture 33 - STEMLecture 34 - ELES and EDSLecture 35 - Recent trendsLecture 36 - Energy dispersive SpectroscopyLecture 37 - Revision - 1Lecture 38 - Revision - 2Lecture 39 - Revision of Recent trends in MicroscopyLecture 40 - Crystallography Revision



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NPTEL Video Course - Mechanical Engineering - NOC:Acoustic and Noise Control

Subject Co-ordinator - Prof. Abijith Sarkar



Lecture 1 - Module 1 - Introduction - 1Lecture 2 - Module 1 - Introduction - 2Lecture 3 - Module 2 - Governing Equation - 1Lecture 4 - Module 2 - Governing Equation - 2Lecture 5 - Module 3 - Plane Wave - 1Lecture 6 - Module 3 - Plane Wave - 2Lecture 7 - Module 4 - Reflection Of Plane Waves - 1Lecture 8 - Module 4 - Reflection Of Plane Waves - 2Lecture 9 - Module 5 - Frequence Analysis - 1Lecture 10 - Module 5 - Frequence Analysis - 2Lecture 11 - Module 6 - Harmonic Plane WavesLecture 12 - Module 7 - Travelling And Standing WavesLecture 13 - Module 8 - Acoustic Mode Shapes, ReflectionLecture 14 - Module 9 - Plane WavesLecture 15 - Module 10 - Flexural Waves, evanescent WavesLecture 16 - Module 11 - Near Field Acoustic WavesLecture 17 - Module 12 - cuton Waves in ductLecture 18 - Module 13 - Power CalculationLecture 19 - Module 14 - Decibel ScaleLecture 20 - Module 15 - Db ArithmeticLecture 21 - Module 16 - Sound Power LevelLecture 22 - Module 17 - Human factors in Acoustic EngineeringLecture 23 - Module 18 - MicrophoneLecture 24 - Module 19 - Acoustic MeasurementsLecture 25 - Module 20 - Muffler AnalysisLecture 26 - Module 21 - Transfer Matrix MethodLecture 27 - Module 22 - Electro Mechanical Analogies - Part 1Lecture 28 - Module 23 - Electro Mechanical Analogies Simple ExampleLecture 29 - Module 24 - Electro Mechanical Analogies Example



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Lecture 30 - Module 25 - Helmholtz ResonatorLecture 31 - Module 26 - Source ImpedanceLecture 32 - Module 27 - Insertion LossLecture 33 - Module 28 - Analysis Of Industrial MufflersLecture 34 - Module 29 - Spherical WavesLecture 35 - Module 30 - Monopole and DipoleLecture 36 - Module 31 - Inhomogeneous Wave EquationLecture 37 - Module 32 - Green's FunctionLecture 38 - Module 33 - Kirchoff Helmholtz Integral EquationLecture 39 - Tutorial 1Lecture 40 - Tutorial 2Lecture 41 - Tutorial 3Lecture 42 - Tutorial 4



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NPTEL Video Course - Mechanical Engineering - NOC:Steel Quality - Role of Secondary Refining and Continuous Casting

Subject Co-ordinator - Prof. Santanu Kr. Ray



Lecture 1 - Concept of Steel QualityLecture 2 - Control of Residuals and Impact on QualityLecture 3 - Non-Metallic InclusionsLecture 4 - Evaluation of Residuals and InclusionsLecture 5 - Cleanliness Requirements for Different applicationsLecture 6 - Limitation of Primary Steelmaking and Importance of secondary RefiningLecture 7 - DeoxidationLecture 8 - Prevention of Slag carryoverLecture 9 - DesulphurisationLecture 10 - DegassingLecture 11 - Secondary Refining ProcessesLecture 12 - Injection of CalciumLecture 13 - Different Routes and Temperature ControlLecture 14 - DecarburisationLecture 15 - Cleanliness Measures in Ladle and TundishLecture 16 - Cleanliness Measures in MouldLecture 17 - Nature and Distribution of Entrapments in CastingLecture 18 - Genesis of EntrapmentLecture 19 - Effect of Vertical vis-a-vis Curved MouldLecture 20 - Quality of Cast ProductLecture 21 - Role of Concast Process, Caster Design and Steel GradeLecture 22 - Primary Cooling in Caster MouldLecture 23 - Heat Transfer in MouldLecture 24 - Role of Mould OscillationLecture 25 - Cast Structure and Dendrite SizeLecture 26 - Role of Chemistry - Part ILecture 27 - Role of Chemistry - Part IILecture 28 - Role of Segregation - Part ILecture 29 - Role of Segregation - Part II



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Lecture 30 - Deleterious Effect of PhosphorusLecture 31 - Strength of Solidifying StrandLecture 32 - Brittle Zone Near SolidusLecture 33 - Strength and Toughness of Solid ShellLecture 34 - Role of Chemistry on Solidification BehaviourLecture 35 - Sticking vis-a-vis Depression BehaviourLecture 36 - Role of Chemistry on Bulging or Depression Tendency - Part ILecture 37 - Role of Chemistry on Bulging or Depression Tendency - Part IILecture 38 - Effect of Cast Grain SizeLecture 39 - Brittle Temperature RegionsLecture 40 - Typical Cracks and Defects - Part ILecture 41 - Typical Cracks and Defects - Part IILecture 42 - Remedial Measures to Control Defects - Part ILecture 43 - Remedial Measures to Control Defects - Part IILecture 44 - Remedial Measures to Control Defects - Part IIILecture 45 - Grade - Specific Casting Parameters - Part ILecture 46 - Grade - Specific Casting Parameters - Part IILecture 47 - Identification of Genesis of Quality Problems Through Metallographic Investigation - Part ILecture 48 - Identification of Genesis of Quality Problems Through Metallographic Investigation - Part IILecture 49 - Identification of Genesis of Quality Problems Through Metallographic Investigation - Part III



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NPTEL Video Course - Mechanical Engineering - NOC:X-ray Crystallography and Diffraction

Subject Co-ordinator - Prof. Ranjit Kumar Ray

Co-ordinating Institute - IIEST - Shibpur


Lecture 1 - Geometry of CrystalsLecture 2 - Geometry of Crystals (Continued...)Lecture 3 - Tutorial-1Lecture 4 - Reciprocal LatticeLecture 5 - Stereographic ProjectionLecture 6 - Tutorial-2Lecture 7 - Point Groups and Space GroupsLecture 8 - Point Groups and Space Groups (Continued...)Lecture 9 - Tutorial-3Lecture 10 - Point Groups and Space Groups (Continued...)Lecture 11 - Basics of X-RaysLecture 12 - Production and Detection of X-RaysLecture 13 - Production and Detection of X-Rays (Continued...)Lecture 14 - Principles of X-Ray DiffractionLecture 15 - X-Ray Diffraction MethodsLecture 16 - Debye Sherrer CameraLecture 17 - Diffractometer MeasurementsLecture 18 - Tutorial-4Lecture 19 - Intensity of Diffracted BeamsLecture 20 - Intensity of Diffracted Beams (Continued...)Lecture 21 - Determination of Crystal StructuresLecture 22 - Precise Lattice Parameter DeterminationLecture 23 - XRD - Lab DemonstrationLecture 24 - Discussion - Based on Forum Queries - 1Lecture 25 - Phase Diagram DeterminationLecture 26 - Ordered Disordered TransformationLecture 27 - Ordered Disordered Transformation (Continued...)Lecture 28 - Qualitative Phase AnalysisLecture 29 - Quantitative Phase Analysis - 1



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Lecture 30 - Precise Lattice Parameter Determination - 1Lecture 31 - Chemical Analysis by X-Ray FlourescenceLecture 32 - Chemical Analysis by X-Ray AbsorptionLecture 33 - Effect of Crystallite Size on Diffracted X-Ray IntensityLecture 34 - Texture Determination by XRDLecture 35 - Particle Size Determination by XRDLecture 36 - Effect of Crystallite Size on Diffracted X-Ray IntensityLecture 37 - Determination of Single Crystal Orientation by X-RaysLecture 38 - Stress Analysis by X-RaysLecture 39 - Factors Contributing to Peak BroadeningLecture 40 - Residual Stress Measurement by X-Rays



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NPTEL Video Course - Mechanical Engineering - NOC:Transport Phenomena in Materials

Subject Co-ordinator - Dr. G. Phanikumar



Lecture 1 - Subscript Notation - Part 1Lecture 2 - Subscript Notation - Part 2Lecture 3 - Coordinate RotationLecture 4 - Introduction to TensorsLecture 5 - Symmetry of PropertiesLecture 6 - Material DerivativeLecture 7 - Planar FlowsLecture 8 - Reynolds Transport TheoremLecture 9 - Derivation of Navier-Stokes equationLecture 10 - Navier Stokes equations - Part 2Lecture 11 - Flow problem statementsLecture 12 - Simple cases in fluid flowLecture 13 - Simple cases in fluid flowLecture 14 - Pipe flow and porous mediumLecture 15 - Simple cases in fluid flowLecture 16 - Friction factors and correlationsLecture 17 - Energy TransportLecture 18 - Conduction cases - steady stateLecture 19 - Conduction cases - transient stateLecture 20 - Convective heat transfer



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NPTEL Video Course - Mechanical Engineering - NOC:Experimental Stress Analysis - An Overview




Lecture 1 - Overview of Experimental Stress AnalysisLecture 2 - Optical Methods Work as Optical ComputersLecture 3 - Stress, Strain and Displacement FieldsLecture 4 - Completeness of a numerical solutionLecture 5 - Fringe Patterns - Richness of Qualitative InformationLecture 6 - Multi-Scale Analysis in Experimental MechanicsLecture 7 - Selection of an Experimental TechniqueLecture 8 - Introduction to Transmission PhotoelasticityLecture 9 - Ordinary and Extraordinary RaysLecture 10 - Light Ellipse, Passage of Light Through a Crystal PlateLecture 11 - Retardation Plates, Stress-optic LawLecture 12 - Plane PolariscopeLecture 13 - Jones CalculusLecture 14 - Circular PolariscopeLecture 15 - Determination of Photoelastic Parameters at an Arbitrary PointLecture 16 - Tardyâ��s Method of CompensationLecture 17 - Calibration of Photoelastic MaterialsLecture 18 - Fringe Thinning MethodologiesLecture 19 - Fringe Ordering in PhotoelasticityLecture 20 - Miscellaneous Topics in Transmission PhotoelasticityLecture 21 - Three Dimensional PhotoelasticityLecture 22 - Overview of Digital PhotoelasticityLecture 23 - Introduction to Photoelastic CoatingsLecture 24 - Correction Factors for Photoelastic CoatingsLecture 25 - Coating Materials, Selection of Coating Thickness, Industrial Application of Photoelastic CoatingsLecture 26 - Calibration of Photoelastic Coatings, Introduction to Brittle CoatingsLecture 27 - Analysis of Brittle CoatingsLecture 28 - Introduction to Strain GaugesLecture 29 - Strain Sensitivity of a Strain Gauge, Bridge Sensitivity, Rosettes



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Lecture 30 - Strain Gauge Alloys, Carriers and AdhesivesLecture 31 - Performance of Strain Gauge SystemLecture 32 - Temperature Compensation, Two-wire and Three-wire CircuitsLecture 33 - Strain Gauge SelectionLecture 34 - Bonding of a Strain GaugeLecture 35 - Soldering, Accounting for Transverse Sensitivity EffectsLecture 36 - Correction Factors for Special ApplicationsLecture 37 - Special Gauges



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NPTEL Video Course - Mechanical Engineering - NOC:Mechanics of Human Movement

Subject Co-ordinator - Prof. Sujatha Srinivasan



Lecture 1 - Basic TerminologiesLecture 2 - Skeletal SystemLecture 3 - Axial and Appendicular SkeletonLecture 4 - Bones in the Human BodyLecture 5 - Types of JointsLecture 6 - Movements about JointsLecture 7 - Levers in the Human BodyLecture 8 - Skeletal MusclesLecture 9 - Skeletal MusclesLecture 10 - Skeletal MusclesLecture 11 - Mechanics and Modeling of MusclesLecture 12 - Muscle Action - Part ILecture 13 - Muscle Action - Part IILecture 14 - Principles of StaticsLecture 15 - Static Analysis of Elbow - Part ILecture 16 - Static Analysis of Elbow - Part IILecture 17 - Static Analysis of Shoulder - Part ILecture 18 - Static Analysis of Shoulder - Part IILecture 19 - Static Analysis of Spine - Part ILecture 20 - Static Analysis of Spine - Part IILecture 21 - Static Analysis of Spine - Part IIILecture 22 - Static Analysis of Hip - Part ILecture 23 - Static Analysis of Hip - Part IILecture 24 - Static Analysis of the KneeLecture 25 - Static Analysis of the Knee and AnkleLecture 26 - KineticsLecture 27 - KineticsLecture 28 - KineticsLecture 29 - Kinetics



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Lecture 30 - KineticsLecture 31 - KineticsLecture 32 - KineticsLecture 33 - Kinetics of Arm Swinging during WalkingLecture 34 - Inverse Dynamics AnalysisLecture 35 - Biomechanics of Balance - Part ILecture 36 - Biomechanics of Balance - Part IILecture 37 - Biomechanics of Balance - Part IIILecture 38 - Human GaitLecture 39 - Human Gait TerminologiesLecture 40 - Characteristics of Normal Gait - Part ILecture 41 - Characteristics of Normal Gait - Part IILecture 42 - Characteristics of Normal Gait - Part IIILecture 43 - Pathological Gait Part - ILecture 44 - Pathological Gait Part - IILecture 45 - Pathological Gait Part - IIILecture 46 - Introduction to Assistive Devices for MobilityLecture 47 - Design ConsiderationsLecture 48 - Design ConsiderationsLecture 49 - Design ConsiderationsLecture 50 - Journey of Standing Wheelchair Development



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NPTEL Video Course - Mechanical Engineering - NOC:Design for Quality, Manufacturing and Assembly

Subject Co-ordinator - Prof. Palaniappaan Ramu



Lecture 1 - Introduction to DfXLecture 2 - Introduction to QualityLecture 3 - Introduction to RobustnessLecture 4 - Introduction to Six Sigma ConceptLecture 5 - Recap and clarifications of basic conceptsLecture 6 - Review of Six Sigma and Quality Loss Function (QLF)Lecture 7 - Types of QLF and SN RatioLecture 8 - Linking Quality and RobustnessLecture 9 - Design for Six Sigma - Stages, Design of ExperimentsLecture 10 - Introduction To Design Of ExperimentsLecture 11 - Need for DoE and basic DoE methodsLecture 12 - Factorial DesignLecture 13 - Orthogonal Array- L4 and L8 exampleLecture 14 - Setting up an Orthogonal ArrayLecture 15 - Confounding OA and Resolution TableLecture 16 - Confounding Logic and Randomization of ExperimentsLecture 17 - Paper Helicopter Case Study - Part ILecture 18 - Paper Helicopter Case Study - Part IILecture 19 - Introduction To Injection Molding Process, Materials, Terminologies Related To Plastic Parts and Design GuidelinesLecture 20 - Estimation of Mold Cost for Injection Molding (Dixon and Poli's Method)Lecture 21 - Estimation of Mold Cost for Injection Molding (Dixon and Poli's Method) (Continued...)Lecture 22 - Mold Cost Estimation - TutorialLecture 23 - Design for Additive ManufacturingLecture 24 - DemoLecture 25 - Introduction to Sustainable Development and Sustainability Indicators - Part 1Lecture 26 - Introduction to Sustainable Development and Sustainability Indicators - Part 2Lecture 27 - Introduction to design processLecture 28 - Accounting for manufacturability and assembly in design - An overviewLecture 29 - DfMA in product design



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Lecture 30 - General design guidelines for manual assemblyLecture 31 - Systematic DFA methodologyLecture 32 - Alpha symmetry, Beta symmetryLecture 33 - Quantification of part size and thicknessLecture 34 - Systematic DFA Case study - controller assemblyLecture 35 - DFA examples and discussionLecture 36 - Xerox Producibility Index (XPI)Lecture 37 - High Speed and Robotic AssemblyLecture 38 - Sheet Metal WorkingLecture 39 - Overview of DoE WorkflowLecture 40 - DFA SoftwareLecture 41 - DFM Software and Case Studies



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NPTEL Video Course - Mechanical Engineering - NOC:Surrogates and Approximations in Engineering Design

Subject Co-ordinator - Prof. Palaniappaan Ramu



Lecture 1 - Overview and Motivation of CourseLecture 2 - Basic Optimization Problem FormulationLecture 3 - Problem Formulation ExampleLecture 4 - Calculus related to OptimizationLecture 5 - The big picture - OverviewLecture 6 - Introduction to DOE - 1Lecture 7 - Introduction to DOE - 2Lecture 8 - Types of DOE - 1Lecture 9 - Types of DOE - 2 and some examplesLecture 10 - Introduction to surrogate modelingLecture 11 - Types of surrogate - Polynomial modelsLecture 12 - Radial basis function - 1Lecture 13 - Radial basis function - 2Lecture 14 - Kriging - 1Lecture 15 - Kriging - 2Lecture 16 - Metamodels for Safe and Efficient Automotive StructuresLecture 17 - Exploration and Exploitation in SurrogatesLecture 18 - Errors Based ExplorationLecture 19 - Ensemble of Surrogates



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NPTEL Video Course - Mechanical Engineering - NOC:Steel Quality: Role of Secondary Refining and Continuous Casting

Subject Co-ordinator - Prof. Santanu Kr. Ray



Lecture 1 - Concept of Steel QualityLecture 2 - Typical Examples of Surface DefectsLecture 3 - Origin of Common Quality ProblemsLecture 4 - Present Scenario on Quality DemandsLecture 5 - Control of Residuals and Impact on QualityLecture 6 - Non-Metallic InclusionsLecture 7 - Evaluation of Residuals and InclusionsLecture 8 - Cleanliness Requirements for Different applicationsLecture 9 - Limitation of Primary Steelmaking and Importance of secondary RefiningLecture 10 - DeoxidationLecture 11 - Prevention of Slag carryoverLecture 12 - DesulphurisationLecture 13 - DegassingLecture 14 - Secondary Refining ProcessesLecture 15 - Injection of CalciumLecture 16 - DecarburisationLecture 17 - Cleanliness Measures in Ladle and TundishLecture 18 - Cleanliness Measures in MouldLecture 19 - Different Routes and Temperature ControlLecture 20 - Nature and Distribution of Entrapments in CastingLecture 21 - Sources of Exogenous EntrapmentsLecture 22 - Effect of Vertical vis-a-vis Curved MouldLecture 23 - Quality of Cast ProductLecture 24 - Role of Concast Process, Caster Design and Steel GradeLecture 25 - Primary Cooling in Caster MouldLecture 26 - Heat Transfer in MouldLecture 27 - Cast Structure and Dendrite SizeLecture 28 - Role of Mould OscillationLecture 29 - Role of Chemistry - Part I



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Lecture 30 - Role of Chemistry - Part IILecture 31 - Role of Segregation - Part ILecture 32 - Role of Segregation - Part IILecture 33 - Deleterious Effect of PhosphorusLecture 34 - Strength of Solidifying StrandLecture 35 - Brittle Zone Near SolidusLecture 36 - Strength and Toughness of Solid ShellLecture 37 - Role of Chemistry on Solidification BehaviourLecture 38 - Sticking vis-a-vis Depression BehaviourLecture 39 - Role of Chemistry on Bulging or Depression Tendency - Part ILecture 40 - Role of Chemistry on Bulging or Depression Tendency - Part IILecture 41 - Effect of Cast Grain SizeLecture 42 - Brittle Temperature RegionsLecture 43 - Role of Secondary Cooling - Part 1Lecture 44 - Role of Secondary Cooling - Part 2Lecture 45 - Typical Cracks and Defects - Part ILecture 46 - Typical Cracks and Defects - Part IILecture 47 - Remedial Measures to Control Defects - Part ILecture 48 - Remedial Measures to Control Defects - Part IILecture 49 - Remedial Measures to Control Defects - Part IIILecture 50 - Grade - Specific Casting Parameters - Part ILecture 51 - Grade - Specific Casting Parameters - Part IILecture 52 - Identification of Genesis of Quality Problems Through Metallographic Investigation - Part ILecture 53 - Identification of Genesis of Quality Problems Through Metallographic Investigation - Part IILecture 54 - Identification of Genesis of Quality Problems Through Metallographic Investigation - Part IIILecture 55 - Some Examples of Quality Problems



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NPTEL Video Course - Mechanical Engineering - Theory of Mechanism

Subject Co-ordinator - Prof. Sujatha Srinivasan



Lecture 1 - Review of Kinematics Fundamentals-ILecture 2 - Links, Pairs, Kinematic Chains; Planar Mobility CriterionLecture 3 - Mobility of Mechanisms, Grubler's Criterion and ApplicationsLecture 4 - Inversions, Grashof Criterion, Kinematic equivalenceLecture 5 - Linkage Synthesis Classification, 2-position Motion GenerationLecture 6 - Driver dyad, Quick-return synthesis - ILecture 7 - Quick-return synthesis - II, 3-position Motion GenerationLecture 8 - Specified fixed pivots, Path generationLecture 9 - Function generationLecture 10 - Function generation using relative polesLecture 11 - Structural Error, and Chebyshev SpacingLecture 12 - Chebyshev SpacingLecture 13 - Analytical Linkage Synthesis-ILecture 14 - Analytical Linkage Synthesis-IILecture 15 - Four-bar Position Analysis, Dyad or Standard Form SynthesisLecture 16 - Dyad Form SynthesisLecture 17 - Dyad Form SynthesisLecture 18 - Dyad Form SynthesisLecture 19 - Dyad Form SynthesisLecture 20 - Coupler Curves - ILecture 21 - Coupler Curves - II, Fixed and Moving CentrodesLecture 22 - Coupler Curves - III, Symmetrical Coupler CurvesLecture 23 - Roberts-Chebyshev TheoremLecture 24 - CognatesLecture 25 - Velocity AnalysisLecture 26 - Velocity AnalysisLecture 27 - Velocity AnalysisLecture 28 - Auxiliary Point MethodLecture 29 - Velocity and Acceleration Analysis



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Lecture 30 - Acceleration AnalysisLecture 31 - Acceleration AnalysisLecture 32 - Force Analysis of Mechanisms, Mechanical AdvantageLecture 33 - Force Analysis of Mechanisms - IILecture 34 - Balancing of Mechanisms using CounterweightsLecture 35 - Balancing of Mechanisms using SpringsLecture 36 - Spatial MechanismsLecture 37 - Introduction to the Kinematics of Spatial Mechanisms



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NPTEL Video Course - Mechanical Engineering - NOC:Engineering Mechanics




Lecture 1 - Introduction to Engineering Mechanics - ILecture 2 - Introduction to Engineering Mechanics - IILecture 3 - Force Systems - ILecture 4 - Force Systems - IILecture 5 - Equilibrium of Rigid bodies - ILecture 6 - Equilibrium of Rigid bodies - IILecture 7 - Trusses - ILecture 8 - Trusses - IILecture 9 - Trusses - IIILecture 10 - Beams - ILecture 11 - Beams - IILecture 12 - Beams - IIILecture 13 - Beams - IVLecture 14 - Virtual Work - ILecture 15 - Virtual Work - IILecture 16 - Energy RelationsLecture 17 - Review Before Quiz - ILecture 18 - Friction - ILecture 19 - Friction - IILecture 20 - Friction - IIILecture 21 - Particle DynamicsLecture 22 - Circular MotionLecture 23 - Absolute MotionLecture 24 - Relative Motion - ILecture 25 - Relative Motion - IILecture 26 - Relative Motion - III and Instantaneous CenterLecture 27 - Rotating frame of reference I - VelocityLecture 28 - Rotating frame of reference II - AccelerationLecture 29 - Rotating frame of reference III - Choice of rotating frame of reference



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Lecture 30 - RFR- IV Crank and slotted barLecture 31 - RFR-V Understanding Coriolis AccelerationLecture 32 - Kinetics - ILecture 33 - Kinetics - IILecture 34 - Kinetics - IIILecture 35 - 3D Kinematics - ILecture 36 - 3D Kinematics - IILecture 37 - 3D Kinematics - III



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NPTEL Video Course - Mechanical Engineering - Advanced Manufacturing Processes

Subject Co-ordinator - Dr. A.K. Sharma

Co-ordinating Institute - IIT - Roorkee


Lecture 1 - Manufacturing and Manufacturing SystemsLecture 2 - Manufacturing Trends and ChallengesLecture 3 - Manufacturing Aspects, Selection and ClassificationLecture 4 - Description and Taxonomy of the Mfg. ProcessesLecture 5 - Metal Casting basics, Gating and Risering designLecture 6 - Evaporative Pattern Casting Process (EPC)Lecture 7 - Continuous, Permanent mold, Centrifugal and Pressure Die CastingLecture 8 - Hybrid EPC Processes and Vacuum EPC ProcessLecture 9 - Set-up of VEPC and Investment Casting ProcessesLecture 10 - Ceramic Shell Investment Casting ProcessLecture 11 - Shell Molding ProcessLecture 12 - Abrasive Flow MachiningLecture 13 - Mechanism of Material Removal in AFM and Variant processes in AFMLecture 14 - Abrasive Jet Machining (AJM)Lecture 15 - Water Jet and Abrasive Water Jet MachiningLecture 16 - Ultrasonic Machining Process (USM)Lecture 17 - Mechanism, Processes Variants and applications of USMLecture 18 - Micro USM and advances in USMLecture 19 - Electric Discharge Machining (EDM) ProcessLecture 20 - Die-Sinker EDM and Wire Cut Electric Discharge Machining (WEDM)Lecture 21 - Variant Processes in EDMLecture 22 - Electro Chemical Discharge Machining (ECDM)Lecture 23 - Laser Beam Machining (LBM)Lecture 24 - Equipment and Process Parameters in LBMLecture 25 - Electrochemical Machining (ECM)Lecture 26 - ECM Kinematics and Tool DesignLecture 27 - The Subsystems in ECM, advantages and applicationsLecture 28 - Variant Processes in ECMLecture 29 - Electron Beam, Plasma Beam and Ion Beam Machining



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Lecture 30 - Submerged Arc Welding (SAW)Lecture 31 - Resistance Welding ProcessLecture 32 - Solid State Welding processesLecture 33 - Friction Welding processLecture 34 - Electron Beam and Plasma Welding ProcessesLecture 35 - Laser Beam welding and Diffusion welding processesLecture 36 - High Energy Rate Forming ProcessesLecture 37 - Rapid Prototyping Technology (RPT)Lecture 38 - Rapid Manufacturing, applications and advancementsLecture 39 - Microwave Processing of MaterialsLecture 40 - Applications and new trends in Microwave Material Processing



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NPTEL Video Course - Mechanical Engineering - Computational Fluid Dynamics (Dr. K.M. Singh)

Subject Co-ordinator - Dr. K.M. Singh



Lecture 1 - General IntroductionLecture 2 - CFDLecture 3 - Conservation Laws and Mathematical PreliminariesLecture 4 - Mass ConservationLecture 5 - Momentum EquationLecture 6 - Momentum EquationLecture 7 - Navier-Stokes Equation and its Simplified FormsLecture 8 - Energy and Scalar Transport EquationsLecture 9 - Scalar Transport, Mathematical Classification and Boundary ConditionsLecture 10 - Finite Difference MethodLecture 11 - Finite Difference Approximation of First Order DerivativesLecture 12 - Finite Difference Approximation of Second Order Derivatives - 1Lecture 13 - Finite Difference Approximation of Second Order Derivatives - 2Lecture 14 - Approximation of Mixed Derivatives and Multi-Dimensional F.D. FormulaeLecture 15 - Implementation of Boundary Conditions and Finite Difference Algebraic SystemLecture 16 - Applications of FDM to Scalar Transport Problems - 1Lecture 17 - Applications of FDM to Scalar Transport Problems - 2Lecture 18 - Application of FDM to Advection-Diffusion and Computer Implementation AspectsLecture 19 - Computer Implementation of FDM for Steady State Heat Diffusion Problems - 1Lecture 20 - Computer Implementation of FDM for Steady State Heat Diffusion Problems - 2Lecture 21 - Computer Implementation of FDM for Steady State Heat Diffusion Problems - 3Lecture 22 - Solution of Discrete Algebraic SystemsLecture 23 - Direct and Basic Iterative Methods for Linear SystemsLecture 24 - Accelerated Iterative Methods for Linear SystemsLecture 25 - Two Level and Multi-Level Methods for First Order IVPs - 1Lecture 26 - Two Level and Multi-Level Methods for First Order IVPs - 2Lecture 27 - Application to Unsteady Transport ProblemsLecture 28 - Introduction to Finite Volume MethodLecture 29 - Finite Volume Interpolation Schemes



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Lecture 30 - Application of FVM to Scalar TransportLecture 31 - Introduction to Finite Element MethodLecture 32 - Finite Element Shape Functions and Numerical Integration - 1Lecture 33 - Finite Element Shape Functions and Numerical Integration - 2Lecture 34 - Application of FEM to Scalar TransportLecture 35 - Special Features of Navier-Stokes EquationsLecture 36 - Time Integration Techniques for Navier-Stokes EquationsLecture 37 - Implicit Pressure Correction MethodsLecture 38 - SIMPLEC, SIMPLER and Fractional Step MethodsLecture 39 - Turbulent FlowsLecture 40 - Reynolds Averaging and RANS Simulation ModelsLecture 41 - RANS Turbulence Models and Large Eddy SimulationLecture 42 - Introduction to Grid GenerationLecture 43 - Aspects of Practical CFD Analysis



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NPTEL Video Course - Mechanical Engineering - Metal Casting

Subject Co-ordinator - Dr. D. B. Karunakar



Lecture 1 - IntroductionLecture 2 - Overview of different casting processes - 1Lecture 3 - Overview of different casting processes - 2Lecture 4 - Overview of different casting processes - 3Lecture 5 - Terminology and Tools of Sand MouldingLecture 6 - Moulding Sands and Design - 1Lecture 7 - Moulding Sands and Design - 2Lecture 8 - Moulding Sands PropertiesLecture 9 - Moulding Sand Properties TestingLecture 10 - Cores and Core SandsLecture 11 - Patterns and AllowancesLecture 12 - Steps Involved in Making a Sand CastingLecture 13 - Design of Risering System - 1Lecture 14 - Design of Risering System - 2Lecture 15 - Design of Risering System - 3Lecture 16 - Design of Risering System - 4Lecture 17 - Design of Risering System - 5Lecture 18 - Design of Gating System - 1Lecture 19 - Design of Gating System - 2Lecture 20 - Sand Casting Defects - 1Lecture 21 - Sand Casting Defects - 2Lecture 22 - Melting Furnaces and PracticeLecture 23 - Treatment of Molten MetalLecture 24 - Fluidity of Molten MetalLecture 25 - SolidificationLecture 26 - Cast Irons and SteelsLecture 27 - Aluminum and Magnesium Cast AlloysLecture 28 - Copper, Zinc and Titanium Cast AlloysLecture 29 - Die Casting Process - I



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Lecture 30 - Die Casting Process - IILecture 31 - Investment Casting Process - ILecture 32 - Investment Casting Process - IILecture 33 - Continuous Casting ProcessLecture 34 - Centrifugal Casting ProcessLecture 35 - Evaporative Pattern Casting and Plaster MouldingLecture 36 - Vacuum Sealed Moulding and Squeeze CastingLecture 37 - Shakeout, Fettling and FinishingLecture 38 - Inspection, Testing and Quality ControlLecture 39 - Design Consideration and EconomicsLecture 40 - Environment, Health and Safety Aspects



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NPTEL Video Course - Mechanical Engineering - Processing of non metals

Subject Co-ordinator - Dr. Inderdeep Singh



Lecture 1 - Engineering Materials and Processing TechniquesLecture 2 - Properties of Non-MetalsLecture 3 - Glass Structure and PropertiesLecture 4 - Glass Processing - ILecture 5 - Glass Processing - IILecture 6 - Ceramics - ILecture 7 - Ceramics - IILecture 8 - Ceramic Powder PreparationLecture 9 - Ceramic Powder Preparation â�� ILecture 10 - Processing of Ceramic Parts ? PressingLecture 11 - Processing of Ceramic Parts â�� IILecture 12 - CeramicsLecture 13 - Thermoplastics and ThermosetsLecture 14 - Processing of PlasticsLecture 15 - Extrusion of PlasticsLecture 16 - Transfer Molding and Compression MoldingLecture 17 - Injection MoldingLecture 18 - ThermoformingLecture 19 - Rotational Molding and Blow MoldingLecture 20 - Composite MaterialsLecture 21 - Composite MaterialsLecture 22 - Processing of Polymer Matrix CompositesLecture 23 - Hand Lay-up and Spray Lay-upLecture 24 - PultrusionLecture 25 - Compression MoldingLecture 26 - Filament WindingLecture 27 - Injection Molding-1Lecture 28 - Pre-pregging and Sheet Molding CompoundsLecture 29 - Resin Transfer Molding and Autoclave Molding



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Lecture 30 - Ceramic Matrix CompositesLecture 31 - Ceramic Matrix CompositesLecture 32 - Powder ProcessingLecture 33 - Chemical Vapour InfiltrationLecture 34 - Ceramic Matrix CompositesLecture 35 - Ceramic Matrix CompositesLecture 36 - Drilling of Polymer Matrix CompositesLecture 37 - Hole Making Techniques for Polymer Matrix CompositesLecture 38 - Joining of Polymer Matrix CompositesLecture 39 - Microwave Joining of Polymer Matrix CompositesLecture 40 - Research Tools for Secondary Processing



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NPTEL Video Course - Mechanical Engineering - Vibration control

Subject Co-ordinator - Dr. S. P. Harsha



Lecture 1 - Basics of Vibrations for Simple Mechanical SystemsLecture 2 - Introduction to Damping in Free and Force VibrationsLecture 3 - Free and Forced Vibrations of Two Degree of SystemsLecture 4 - Multi Degree of Freedom SystemsLecture 5 - Reduction at source - 1Lecture 6 - Reduction at source - 2Lecture 7 - Reduction at source - 3Lecture 8 - Feedback Control System - 1Lecture 9 - Shunt DampingLecture 10 - Vibration Isolation - 1Lecture 11 - Vibration Isolation - 2Lecture 12 - Vibration Isolation - 3Lecture 13 - Source ClassificationLecture 14 - Self Excitation VibrationLecture 15 - Flow Induction VibrationLecture 16 - Field Balancing of Rigid / Flexible RotorsLecture 17 - DampingLecture 18 - DampingLecture 19 - Numerical ProblemsLecture 20 - Design Sensitivity - ILecture 21 - Design SpecificationLecture 22 - Design for Enhanced Material DampingLecture 23 - Basics of Passive Vibration ControlLecture 24 - Design of AbsorberLecture 25 - Shock AbsorberLecture 26 - Isolators with Stiffness and DampingLecture 27 - Basics of Active Vibration ControlLecture 28 - Piezoelectric Material - ILecture 29 - Piezoelectric Material - II



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Lecture 30 - Piezoelectric AccelerometersLecture 31 - Electro-rheological (ER) FluidsLecture 32 - Magneto-rheological (MR) FluidsLecture 33 - Magneto and Electrostrictive MaterialsLecture 34 - Shape Memory AlloyLecture 35 - Electro-MagneticsLecture 36 - Numerical ProblemsLecture 37 - Basics of Vibration Measurement SystemLecture 38 - Data AcquisitionLecture 39 - Fourier TransformationLecture 40 - Filters



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NPTEL Video Course - Mechanical Engineering - Welding Engineering

Subject Co-ordinator - Dr. D.K. Dwivedi



Lecture 1 - Introduction to Welding EngineeringLecture 2 - Classification of Welding Processes - ILecture 3 - Classification of Welding Processes - IILecture 4 - Sources of Heat and Protection of Weld poolLecture 5 - Protection of Weld PoolLecture 6 - IntroductionLecture 7 - Fundamentals of Arc InitiationLecture 8 - Arc Maintenance & Arc CharacteristicsLecture 9 - Arc ForcesLecture 10 - Arc EfficiencyLecture 11 - Melting Rate in Different Welding ProcessesLecture 12 - Types of power sources and their characteristics - ILecture 13 - Types of power sources and their characteristics - IILecture 14 - SMAW - ILecture 15 - SMAW - IILecture 16 - GTAW - ILecture 17 - GTAW - IILecture 18 - PAW & SAWLecture 19 - SAWLecture 20 - GMAWLecture 21 - Brazing, Soldering & Braze WeldingLecture 22 - Braze welding and Electroslag weldingLecture 23 - Weld Thermal CycleLecture 24 - Effect of WTC and Cooling rate in weldingLecture 25 - Cooling rateLecture 26 - Peak temperature & Solidification rateLecture 27 - Residual stress - ILecture 28 - Residual stress - IILecture 29 - Introduction



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Lecture 30 - Type of joints and weldsLecture 31 - Edge preparationLecture 32 - Design for static and fatigue loadingLecture 33 - Fatigue fracture of weld joints - ILecture 34 - Fatigue fracture of weld joints - IILecture 35 - Introduction-Lecture 36 - DT & NDTLecture 37 - Understanding WeldabilityLecture 38 - Reactions in weldmentLecture 39 - Weldability of Al alloysLecture 40 - Failure analysis and prevention



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NPTEL Video Course - Mechanical Engineering - Industrial Engineering

Subject Co-ordinator - Prof. P.K. Jain, Dr. Pradeep Kumar, Dr. Inderdeep Singh, Dr. D.K. Dwivedi



Lecture 1 - Production Planning and ControlLecture 2 - Product Design and DevelopmentLecture 3 - Statistical Process Control - Part ILecture 4 - Statistical Process Control - Part IILecture 5 - Statistical Process Control - Part IIILecture 6 - ProductivityLecture 7 - Factors Affecting the ProductivityLecture 8 - Improving the Productivity Introduction to Work StudyLecture 9 - Work Study Human Component and Method StudyLecture 10 - Recording Techniques for Method Study - Part ILecture 11 - Recording Techniques for Method Study - Part IILecture 12 - Recording Techniques Critical ExaminationLecture 13 - Principles of Motion EconomyLecture 14 - Work Measurement Time Study - Part ILecture 15 - Work Measurement Time Study - Part IILecture 16 - Performance Rating AllowancesLecture 17 - Work MeasurementLecture 18 - PMT System Standard Data MethodLecture 19 - ErgonomicsLecture 20 - Metabolism and Organization at WorkLecture 21 - Working Conditions Lights VibrationsLecture 22 - Materials Management - Part ILecture 23 - Materials Management - Part IILecture 24 - Materials Requirement PlanningLecture 25 - Sales Forecasting - Part ILecture 26 - Sales Forecasting - Part IILecture 27 - Capacity Planning - Part ILecture 28 - Capacity Planning - Part IILecture 29 - Network Analysis - Part I



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Lecture 30 - Network Analysis - Part IILecture 31 - Facility Design Part - Part ILecture 32 - Facility Design Part - Part IILecture 33 - Facility Design Part - Part IIILecture 34 - Facility Design Part - Part IVLecture 35 - Product Design DevelopmentLecture 36 - Materials HandlingLecture 37 - Quality ConceptsLecture 38 - Value EngineeringLecture 39 - ReliabilityLecture 40 - Industrial Safety



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NPTEL Video Course - Mechanical Engineering - Manufacturing Processes I

Subject Co-ordinator - Dr. D.B. Karunakar, Dr. Inderdeep Singh. Dr. D.K. Dwivedi



Lecture 1 - Powder Metallurgy - Part ILecture 2 - Powder Metallurgy - Part IILecture 3 - Powder Metallurgy - Part IIILecture 4 - Metal Forming - FundamentalsLecture 5 - ForgingLecture 6 - Swaging and Wire DrawingLecture 7 - Sheet Metal Operations - Part ILecture 8 - Sheet Metal Operations - Part IILecture 9 - Sheet Metal Operations - Part IIILecture 10 - Sheet Metal Working - PressesLecture 11 - Sheet Metal Working - EquipmentLecture 12 - High Energy Rate Forming ProcessesLecture 13 - Machining FundamentalsLecture 14 - Machining - Part ILecture 15 - Machining - Part IILecture 16 - Machining - Part IIILecture 17 - Metal casting - Part ILecture 18 - Metal casting - Part IILecture 19 - Metal Casting - Part IIILecture 20 - Metal Casting - Part IVLecture 21 - Metal Casting - Part VLecture 22 - Metal Casting - Part VILecture 23 - Metal Casting - Part VIILecture 24 - Metal Casting - Part VIIILecture 25 - Metal Casting - Part IXLecture 26 - Metal Casting - Part XLecture 27 - IntroductionLecture 28 - Welding Process ClassificationLecture 29 - Brazing Soldering Braze Welding



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Lecture 30 - Arc Welding Power Source - Part ILecture 31 - Arc Welding Power Source - Part IILecture 32 - Shielded Metal Arc Welding - Part ILecture 33 - Shielded Metal Arc Welding - Part IILecture 34 - Submerged Arc WeldingLecture 35 - Gas Metal Arc Welding - Part ILecture 36 - Gas Metal Arc Welding - Part IILecture 37 - Tungsten Inert Gas Welding - Part ILecture 38 - Tungsten Inert Gas Welding - Part IILecture 39 - Resistance Welding ProcessLecture 40 - Reaction in Weld Region Welding Defects



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NPTEL Video Course - Mechanical Engineering - Strength of Materials

Subject Co-ordinator - Dr. S.P. Harsha



Lecture 1 - Solid MechanicsLecture 2 - Strength of MaterialsLecture 3 - Strength of MaterialsLecture 4 - Solid MechanicsLecture 5 - Strength of MaterialsLecture 6 - Strength of MaterialsLecture 7 - Strength of MaterialsLecture 8 - Strength of MaterialsLecture 9 - Strength of MaterialsLecture 10 - Strength of MaterialsLecture 11 - Strength of MaterialsLecture 12 - Strength of MaterialsLecture 13 - Strength of MaterialsLecture 14 - Strength of MaterialsLecture 15 - Strength of MaterialsLecture 16 - Strength of MaterialsLecture 17 - Strength of MaterialsLecture 18 - Strength of MaterialsLecture 19 - Strength of MaterialsLecture 20 - Strength of MaterialsLecture 21 - Strength of MaterialsLecture 22 - Strength of MaterialsLecture 23 - Strength of MaterialsLecture 24 - Strength of MaterialsLecture 25 - Strength of MaterialsLecture 26 - Strength of MaterialsLecture 27 - Strength of MaterialsLecture 28 - Strength of MaterialsLecture 29 - Strength of Materials



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Lecture 30 - Strength of MaterialsLecture 31 - Strength of MaterialsLecture 32 - Strength of MaterialsLecture 33 - Strength of MaterialsLecture 34 - Strength of MaterialsLecture 35 - Strength of MaterialsLecture 36 - Strength of MaterialsLecture 37 - Strength of MaterialsLecture 38 - Strength of MaterialsLecture 39 - Strength of MaterialsLecture 40 - Strength of Materials



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NPTEL Video Course - Mechanical Engineering - NOC:Two Phase Flow and Heat Transfer

Subject Co-ordinator - Dr. Arup Kumar Das



Lecture 1 - IntroductionLecture 2 - Flow RegimesLecture 3 - Homogeneous ModelLecture 4 - Drift Flux ModelLecture 5 - (Missing Lecture)Lecture 6 - Dispersed FlowLecture 7 - Slug FlowLecture 8 - Annular FlowLecture 9 - Droplet Annular and Stratified FlowLecture 10 - Measurement of Void FractionLecture 11 - Signal AnalysisLecture 12 - Two Fluid and Population Balance ModelLecture 13 - Interface TrackingLecture 14 - Lattice Boltzmann MethodLecture 15 - Smoothed Particle HydrodynamicsLecture 16 - Molecular Perspective of Two Phase FlowLecture 17 - Boiling Heat TransferLecture 18 - CondensationLecture 19 - Solid-Liquid FlowLecture 20 - Gas-Solid Flow



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NPTEL Video Course - Mechanical Engineering - NOC:Refrigeration and Air-Conditioning

Subject Co-ordinator - Prof. Ravi Kumar



Lecture 1 - Recapitulation of ThermodynamicsLecture 2 - Introduction to RefrigerationLecture 3 - Air Refrigeration CycleLecture 4 - Aircraft Refrigeration Cycles - 1Lecture 5 - Aircraft Refrigeration Cycles - 2Lecture 6 - Aircraft Refrigeration Cycles - 3Lecture 7 - Vapour Compression Cycle - 1Lecture 8 - Vapour Compression Cycle - 2Lecture 9 - P-h ChartsLecture 10 - Actual Vapour Compression Cycle - 1Lecture 11 - Actual Vapour Compression Cycle - 2Lecture 12 - Compound Compression with Intercooling - 1Lecture 13 - Compound Compression with Intercooling - 2Lecture 14 - Multiple Evaporator and Cascade SystemLecture 15 - Problem Solving - 1Lecture 16 - Refrigerants - 1Lecture 17 - Refrigerants - 2Lecture 18 - Vpour Absorption Systems - 1Lecture 19 - Vpour Absorption Systems - 2Lecture 20 - Vpour Absorption Systems - 3Lecture 21 - Introduction to Air-conditioningLecture 22 - Properties of Moist AirLecture 23 - Psychrometric ChartLecture 24 - Psychrometric Processes - 1Lecture 25 - Psychrometric Processes - 2Lecture 26 - Psychrometric Processes - 3Lecture 27 - InfiltrationLecture 28 - Design ConditionsLecture 29 - Cooling Load - 1



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Lecture 30 - Cooling Load - 2Lecture 31 - Cooling Load - 3Lecture 32 - Air Distribution System - 1Lecture 33 - Air Distribution System - 2Lecture 34 - Problem Solving - 2Lecture 35 - Air-Conditioning SystemsLecture 36 - Human PhysiologyLecture 37 - Thermal ComfortLecture 38 - Indoor Environmental Health - 1Lecture 39 - Indoor Environmental Health - 2Lecture 40 - Problem Solving - 3



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NPTEL Video Course - Mechanical Engineering - NOC:Engineering Economic Analysis

Subject Co-ordinator - Dr. Pradeep K. Jha



Lecture 1 - Introduction to Engineering Economy, Physical and Economic Environment, Phases in Engg. processLecture 2 - Some economic concepts, Value and utility, Interest and Interest rate, Time value of moneyLecture 3 - Interest formulasLecture 4 - Interest formulas for discrete compounding and discrete paymentsLecture 5 - Interest formulas for discrete compounding and discrete paymentsLecture 6 - Problem solving on discrete compounding, discrete paymentLecture 7 - Interest formulas for Uniform gradient seriesLecture 8 - Interest formulas for geometric gradient seriesLecture 9 - Compounding frequency of InterestLecture 10 - Problem solving on frequency compounding of interest and gradient series factorsLecture 11 - Economic equivalenceLecture 12 - Equivalence calculations involving cash flowsLecture 13 - Methods of comparison of alternativesLecture 14 - comparison of alternativesLecture 15 - Problem solving on equivalence and comparison of alternativesLecture 16 - Replacement analysisLecture 17 - Proper treatment of sunk cost in replacementLecture 18 - Replacement because of improved efficiency, inadequacy, demand etc.Lecture 19 - Problem solving on replacement analysisLecture 20 - Economic life of the assetLecture 21 - DepreciationLecture 22 - Basic depreciation methodsLecture 23 - DepreciationLecture 24 - Modified accelerated cost recovery system (MACRS) method of depreciation, DepletionLecture 25 - DepreciationLecture 26 - Problem solving based on Depreciation and DepletionLecture 27 - Elements of costLecture 28 - Breakeven analysis, Effect of fixed and variable cost on BEP.Lecture 29 - Economic order quantity



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Lecture 30 - Problem solving based on Breakeven analysis and EOQLecture 31 - Cost estimationLecture 32 - cost estimating relationshipsLecture 33 - Introduction to decision under risk Criteria for decision under riskLecture 34 - Expected value decision making under riskLecture 35 - Expected variance decision making under riskLecture 36 - Problem solving based on decision under riskLecture 37 - Income taxesLecture 38 - Effect of method of depreciation on income taxesLecture 39 - After tax economic analysisLecture 40 - Problem solving based on Income tax analysis



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NPTEL Video Course - Mechanical Engineering - NOC:Convective Heat Transfer

Subject Co-ordinator - Dr. Arup Kumar Das



Lecture 1 - IntroductionLecture 2 - Balance of Total EnergyLecture 3 - Different Forms of Thermal Energy EquationLecture 4 - Thermal Boundary LayerLecture 5 - Forced ConvectionLecture 6 - Forced ConvectionLecture 7 - Forced Convection over a Flat PlateLecture 8 - Natural ConvectionLecture 9 - Natural ConvectionLecture 10 - TutorialLecture 11 - Forced Convection in DuctsLecture 12 - Thermally Developed Slug Flow in a DuctLecture 13 - Thermally and Hydrodynamically Developed FlowLecture 14 - Thermally and Hydrodynamically Developed FlowLecture 15 - Thermal Entrance RegionLecture 16 - Thermal Entrance RegionLecture 17 - Rayleigh Benard ConvectionLecture 18 - Heat Transfer with Phase ChangeLecture 19 - Mass TransferLecture 20 - Tutorial



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NPTEL Video Course - Mechanical Engineering - NOC:Introduction to Mechanical Vibration

Subject Co-ordinator - Prof. Anil Kumar



Lecture 1 - Lesson 1 - IntroductionLecture 2 - Lesson 2 - Addition of two harmonic motions and beat phenomenonLecture 3 - Lesson 3 - Fourier series and harmonic analysisLecture 4 - Lesson 4 - Vibration analysis procedureLecture 5 - Lesson 5 - Numerical problemsLecture 6 - Lesson 1 - Undamped free vibrationLecture 7 - Lesson 2 - Energy methodLecture 8 - Lesson 3 - Damped free vibrationLecture 9 - Lesson 4 - Viscous damped systems and logarithmic decrementLecture 10 - Lesson 5 - Coulomb dampingLecture 11 - Lesson 1 - Harmonic excitationsLecture 12 - Lesson 2 - Magnification factor and frequency response curveLecture 13 - Lesson 3 - Rotating unbalanceLecture 14 - Lesson 4 - Excitation of the supportLecture 15 - Lesson 5 - Energy input and dissipation by viscous dampingLecture 16 - Lesson 1 - Coulomb damping and equivalent viscous dampingLecture 17 - Lesson 2 - Structural damping and equivalent viscous dampingLecture 18 - Lesson 3 - Vibration isolation and force transmissibilityLecture 19 - Lesson 4 - Motion transmissibilityLecture 20 - Lesson 5 - Numerical problemsLecture 21 - Lesson 1 - Transducers and vibration pickupLecture 22 - Lesson 2 - VibrometerLecture 23 - Lesson 3 - AccelerometerLecture 24 - Lesson 4 - Velocity pickup or VelometerLecture 25 - Lesson 5 - Phase distortion and frequency measurementLecture 26 - Lesson 1 - Undamped free vibrationLecture 27 - Lesson 2 - Principal modes of vibrationLecture 28 - Lesson 3 - Combined rectilinear and angular modesLecture 29 - Lesson 4 - Damped free vibration



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Lecture 30 - Lesson 5 - Undamped forced vibration with harmonic excitationLecture 31 - Lesson 1 - Undamped dynamic vibration absorberLecture 32 - Lesson 2 - Tuned absorberLecture 33 - Lesson 3 - Numerical problemsLecture 34 - Lesson 4 - Damped dynamic vibration absorberLecture 35 - Lesson 5 - Optimally tuned vibration absorberLecture 36 - Lesson 1 - Undamped free vibrationLecture 37 - Lesson 2 - Eigen values and eigen vectorsLecture 38 - Lesson 3 - Flexibility influence coefficientsLecture 39 - Lesson 4 - Stiffness influence coefficientsLecture 40 - Lesson 5 - Static and dynamic coupling



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NPTEL Video Course - Mechanical Engineering - NOC:Joining Technologies of Commercial Importance

Subject Co-ordinator - Prof. Dheerendra Kumar Dwivedi



Lecture 1 - IntroductionLecture 2 - Fundamental mechanisms of JoiningLecture 3 - Classification of Joining ProcessesLecture 4 - Heat Generation in WeldingLecture 5 - Protection of Weld MetalLecture 6 - Principle of Fusion Welding ProcessesLecture 7 - Fundamentals of WeldingLecture 8 - Physics of Welding ArcLecture 9 - Shielded Metal Arc WeldingLecture 10 - Gas Tungsten Arc WeldingLecture 11 - Newer variants of Gas tungsten arc weldingLecture 12 - Gas metal arc weldingLecture 13 - Submerged arc weldingLecture 14 - Electro-slag and Electro-gas weldingLecture 15 - Laser beam weldingLecture 16 - BrazingLecture 17 - Soldering and braze weldingLecture 18 - Fundamentals of resistance weldingLecture 19 - Resistance welding processesLecture 20 - Flash butt weldingLecture 21 - Adhesive joiningLecture 22 - Weld bondingLecture 23 - Solid state joining technologiesLecture 24 - Ultrasonic weldingLecture 25 - Diffusion weldingLecture 26 - Explosive weldingLecture 27 - Magnetic pulse weldingLecture 28 - Weld thermal cycleLecture 29 - Heat affected zone and weld thermal cycle



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Lecture 30 - Heat affected zone and weld thermal cycleLecture 31 - Solidification of weld metalLecture 32 - Fundamentals of weldability of metalsLecture 33 - Weldability of carbon and alloys steelsLecture 34 - Weldabiliity of stainless steelsLecture 35 - Metallurgical transformations in weld and heat affected zone of steelsLecture 36 - Weldability of aluminium alloysLecture 37 - Solidification cracking and their controlLecture 38 - Residual Stresses in Weld JointsLecture 39 - Cracking of Welded Joints ILecture 40 - Cracking of Welded Joints II



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NPTEL Video Course - Mechanical Engineering - NOC:Modelling and Simulation of Dynamic Systems

Subject Co-ordinator - Prof. Pushparaj Mani Pathak



Lecture 1 - Introduction to ModellingLecture 2 - Examples of modelsLecture 3 - Modeling of Dynamic SystemsLecture 4 - Introduction to SimulationLecture 5 - MATLAB as a Simulation toolLecture 6 - Bond graphs modellingLecture 7 - Bond graph model and causalityLecture 8 - Generation of System EquationsLecture 9 - Methods of Drawing bond graph models - Mechanical SystemsLecture 10 - Methods of Drawing bond graph models - Electrical SystemsLecture 11 - Basic System Models - Mechanical SystemsLecture 12 - Basic System Models - Electrical SystemsLecture 13 - Basic System Models - Hydraulic SystemsLecture 14 - Basic System Models - Pneumatic SystemsLecture 15 - Basic System Models - Thermal SystemsLecture 16 - System ModelsLecture 17 - System Model of Combined Rotary and Translatory SystemsLecture 18 - System Model of Electro Mechanical SystemsLecture 19 - System Model of Hydro Mechanical SystemsLecture 20 - System Models of RobotsLecture 21 - Dynamic response of the 1st order systemLecture 22 - Dynamic response of 2nd order systemLecture 23 - Performance measures for 2nd order systemLecture 24 - System Transfer functionsLecture 25 - Transfer Function of 1st and 2nd Order SystemLecture 26 - Block Diagram AlgebraLecture 27 - Signal Flow GraphsLecture 28 - State Variable FormulationLecture 29 - Frequency Response



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Lecture 30 - Bode PlotLecture 31 - Simulation using SIMULINKLecture 32 - Simulation of simple and compound pendulumsLecture 33 - Simulation of planar mechanismsLecture 34 - Simulation of wheeled mobile robotsLecture 35 - Validation and Verification of Simulation ModelsLecture 36 - Parameter estimation methodsLecture 37 - Parameter estimation examplesLecture 38 - System identificationsLecture 39 - Introduction to OptimizationLecture 40 - Optimization with modeling of engineering problems



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NPTEL Video Course - Mechanical Engineering - NOC:Principles of Casting Technology




Lecture 1 - Introduction to Casting TechnologyLecture 2 - Mechanism of solidificationLecture 3 - Solidification of Pure Metals and AlloysLecture 4 - Freeze Wave Mechanism and Solidification TimeLecture 5 - Problem Solving on SolidificationLecture 6 - Technology of pattern makingLecture 7 - Allowances in pattern makingLecture 8 - Moulding sands and its ingredientsLecture 9 - Testing of molding sandsLecture 10 - Sand preparation for castingLecture 11 - Technology of mould makingLecture 12 - Technology of core makingLecture 13 - Special sand moulding processLecture 14 - Organic bindersLecture 15 - Special moulding processLecture 16 - Introduction of gating designLecture 17 - Types of gateLecture 18 - Pouring time calculationLecture 19 - Aspiration effects in gating systemLecture 20 - Problem solving on gating designLecture 21 - Solidification analysisLecture 22 - Risering methodsLecture 23 - Shape factorLecture 24 - Feeding and Chills effectLecture 25 - Problem related to riser designLecture 26 - Special casting process - 1Lecture 27 - Special casting process - 2Lecture 28 - Special casting process - 3Lecture 29 - Technology of melting



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Lecture 30 - Melting practicesLecture 31 - Melting and Casting of cast metalLecture 32 - Melting practice for gray ironLecture 33 - Melting practice for Malleable iron and S.G ironLecture 34 - Casting of steel and alloy steelLecture 35 - Casting practices for non-ferrous metals and alloysLecture 36 - Fettling of castingsLecture 37 - Heat treatment of castingsLecture 38 - Heat treatment practices for cast iron and non-ferrous metals and alloysLecture 39 - Casting defectsLecture 40 - Diagnostics of casting defects



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NPTEL Video Course - Mechanical Engineering - NOC:Steam and Gas Power Systems




Lecture 1 - Review of ThermodynamicsLecture 2 - Rankine CycleLecture 3 - Performance of Rankine CycleLecture 4 - Binary vapour cycle and co-generationLecture 5 - Problem Solving (Rankine Cycle)Lecture 6 - Steam GeneratorsLecture 7 - Fire Tube BoilersLecture 8 - Water Tube BoilersLecture 9 - Boiler Mountings and AccessoriesLecture 10 - High Pressure Boilers (Part-1)Lecture 11 - High Pressure Boilers (Part-2)Lecture 12 - DraughtLecture 13 - Performance of BoilerLecture 14 - Combustion of FuelLecture 15 - Combustion of Fuel (Problem Solving)Lecture 16 - Boiler TrialLecture 17 - Nozzles and Diffusers - Momentum and Continuity EquationsLecture 18 - Nozzles and Diffusers - Efficiency and Critical PressureLecture 19 - Nozzles and Diffusers - General Relationships and Supersaturated FlowLecture 20 - Problem Solving (Nozzles and diffusers)Lecture 21 - Steam TurbineLecture 22 - Compounding of Steam TurbineLecture 23 - Impulse Steam TurbineLecture 24 - Impulse Steam Turbine PerformanceLecture 25 - Problem solving (Impulse Steam Turbine)Lecture 26 - Impulse Reaction Steam TurbineLecture 27 - Impulse Reaction Steam Turbine PerformanceLecture 28 - Energy Losses in Steam TurbineLecture 29 - Condensers



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Lecture 30 - Problem Solving (Steam Turbine)Lecture 31 - Gas turbine cycleLecture 32 - Gas Turbine cycle Performance EvaluationsLecture 33 - Gas Turbine cycle - ModificationsLecture 34 - Problem Solving (Gas Turbine Cycle)Lecture 35 - Centrifugal CompressorsLecture 36 - Centrifugal Compressors CharacteristicsLecture 37 - Axial Flow CompressorLecture 38 - Axial Flow Compressor CharacteristicsLecture 39 - Jet PropulsionLecture 40 - Problem Solving



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NPTEL Video Course - Mechanical Engineering - NOC:Product Design and Development

Subject Co-ordinator - Prof. Indradeep Singh



Lecture 1 - Introduction to product design and developmentLecture 2 - Product life-cycleLecture 3 - Product policy of an organization and selection of profitable productsLecture 4 - Product designLecture 5 - Product design steps and product analysisLecture 6 - Value engineering conceptsLecture 7 - Problem Identification and VEJPLecture 8 - Function analysisLecture 9 - Functional analysis system techniqueLecture 10 - Case study on value engineeringLecture 11 - Quality function deploymentLecture 12 - Computer aided designLecture 13 - Rubust designLecture 14 - Design for XLecture 15 - Ergonomics in product designLecture 16 - DFMA guidelinesLecture 17 - Product design for manual assemblyLecture 18 - Design guidelines for different processesLecture 19 - Rapid prototypingLecture 20 - Rapid prototyping processes



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NPTEL Video Course - Mechanical Engineering - NOC:Fundamentals of Manufacturing Processes

Subject Co-ordinator - Dr. D. K. Dwivedi



Lecture 1 - Understanding ManufacturingLecture 2 - Fundamental Approaches of ManufacturingLecture 3 - Manufacturing Process Specific Advantages and LimitationsLecture 4 - Material and Manufacturing ProcessesLecture 5 - Classification of Manufacturing ProcessesLecture 6 - Selection of Manufacturing ProcessesLecture 7 - Applications of Manufacturing ProcessesLecture 8 - Effect of Manufacturing Processes on Mechanical PropertiesLecture 9 - Break Even Analysis in Manufacturing ProcessesLecture 10 - CastingLecture 11 - Steps of Casting ProcessesLecture 12 - CastingLecture 13 - The Pattern Allowances - ILecture 14 - The Pattern Allowances - IILecture 15 - CastingLecture 16 - Sand Moulding - IILecture 17 - CastingLecture 18 - CastingLecture 19 - CastingLecture 20 - CastingLecture 21 - CastingLecture 22 - CastingLecture 23 - CastingLecture 24 - CastingLecture 25 - Metal Working ProcessesLecture 26 - Metal Working ProcessesLecture 27 - Metal Working ProcessesLecture 28 - Metal Working ProcessesLecture 29 - Metal Working Processes



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Lecture 30 - Metal Working ProcessesLecture 31 - Sheet Metal OperationsLecture 32 - Metal Working ProcessesLecture 33 - Metal Working ProcessesLecture 34 - Metal Working ProcessesLecture 35 - Material Removal ProcessesLecture 36 - Material Removal ProcessesLecture 37 - Material Removal ProcessesLecture 38 - Material Removal ProcessesLecture 39 - Material Removal ProcessesLecture 40 - Material Removal ProcessesLecture 41 - Material Removal ProcessesLecture 42 - Material removal processesLecture 43 - Material removal processesLecture 44 - Material removal ProcessesLecture 45 - Material removal ProcessesLecture 46 - Material removal processesLecture 47 - Joining of metalsLecture 48 - Joining of metalsLecture 49 - Joining of metalsLecture 50 - Brazing, soldering and weldabilityLecture 51 - Weldability and welding defectsLecture 52 - Heat treatmentLecture 53 - Heat treatmentLecture 54 - Heat treatmentLecture 55 - Heat treatmentLecture 56 - Heat treatmentLecture 57 - Improving surface propertiesLecture 58 - Improving surface propertiesLecture 59 - Improving surface propertiesLecture 60 - Improving surface properties



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NPTEL Video Course - Mechanical Engineering - NOC:Modelling and Simulation of Discrete Event System




Lecture 1 - Introduction to SimulationLecture 2 - Concept of System, Model and SimulationLecture 3 - Time advance mechanism, Components of a simulation modelLecture 4 - Program organization and logic, Steps in a simulation studyLecture 5 - Simulation examplesLecture 6 - Statistical Models in SimulationLecture 7 - Input probability distribution functions for discrete systemsLecture 8 - Continuous distribution functionsLecture 9 - Continuous distribution functions and empirical distribution functionsLecture 10 - Problem solving on statistical models in simulationLecture 11 - Characteristics of a queueing systemLecture 12 - Performance measures of queueing systemLecture 13 - Analysis of a single server queueing systemLecture 14 - Simulation of a single server queueing systemLecture 15 - Computer representation of simulation of single server queuing systemLecture 16 - Generation of Random NumbersLecture 17 - Issues and Challenges in Congruential GeneratorsLecture 18 - Testing of random numbersLecture 19 - Generation of Random VariatesLecture 20 - Problem Solving on Random Number and Random Variate GenerationLecture 21 - Input modelingLecture 22 - Input modelingLecture 23 - Input modelingLecture 24 - Input modelingLecture 25 - Problem Solving on input modelingLecture 26 - Output analysis of a single systemLecture 27 - Obtaining a specified precisionLecture 28 - Comparison of alternative system configurationsLecture 29 - Confidence Intervals for comparing more than two systems



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Lecture 30 - Problem Solving on output analysis of single and alternative systemsLecture 31 - Introduction to simulation of manufacturing and material handling systemLecture 32 - Issues in material handling systemLecture 33 - Modeling of system randomnessLecture 34 - Verification of simulation modelsLecture 35 - Model validity and credibilityLecture 36 - Problem solving and case studies on simulation of manufacturing systemLecture 37 - Introduction to Monte Carlo SimulationLecture 38 - Inventory Control Simulation using Monte Carlo TechniqueLecture 39 - In this lecture, Monte Carlo technique was used to solve inventory system problemsLecture 40 - Problem solving on Monte Carlo Simulation



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NPTEL Video Course - Mechanical Engineering - NOC:Processing of Polymers and Polymer Composites




Lecture 1 - Introduction to courseLecture 2 - Engineering materials and processing techniquesLecture 3 - Thermoplastics and thermosetsLecture 4 - Processing of polymersLecture 5 - Thermoforming processesLecture 6 - Extrusion - ILecture 7 - Extrusion - IILecture 8 - Compression moldingLecture 9 - Injection molding - ILecture 10 - injection molding - IILecture 11 - Transfer moldingLecture 12 - Rotational moldingLecture 13 - Blow moldingLecture 14 - Composite materialsLecture 15 - Classification of composite materialsLecture 16 - Processing of polymer compositesLecture 17 - Hand lay-upLecture 18 - Spray lay-upLecture 19 - Compression moldingLecture 20 - Injection moldingLecture 21 - Reaction injection moldingLecture 22 - Autoclave moldingLecture 23 - Resin transfer moldingLecture 24 - Filament windingLecture 25 - Pultrusion processLecture 26 - Sheet moldingLecture 27 - Pre-pregging and challenges in primary processing of compositesLecture 28 - Secondary processing of polymer compositesLecture 29 - Joining of polymer composites



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Lecture 30 - Adhesive joiningLecture 31 - Mechanical joiningLecture 32 - Microwave joiningLecture 33 - Induction and resistance weldingLecture 34 - Drilling of polymer matrix composites - ILecture 35 - Drilling of polymer matrix composites - IILecture 36 - Methods to prevent drilling induced damageLecture 37 - Non-conventional drillingLecture 38 - Process simulation of secondary processingLecture 39 - Intelligent drilling of polymer matrix compositesLecture 40 - Web based tools for polymer matrix composites



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NPTEL Video Course - Mechanical Engineering - NOC:Operations Management




Lecture 1 - Operations ManagementLecture 2 - Operations ManagementLecture 3 - Operations ManagementLecture 4 - Types of Production SystemsLecture 5 - Operations StrategyLecture 6 - Product Life-CycleLecture 7 - Value Engineering ConceptsLecture 8 - Design for X (DFX)Lecture 9 - Ergonomics in Product DesignLecture 10 - Rapid PrototypingLecture 11 - Sales ForecastingLecture 12 - Forecasting SystemLecture 13 - Qualitative Methods of ForecastingLecture 14 - Quantitative Methods - ILecture 15 - Quantitative Methods - IILecture 16 - Facility PlanningLecture 17 - Factors Affecting Plant LocationLecture 18 - Plant LocationLecture 19 - Location Evaluation Methods - ILecture 20 - Location Evaluation Methods - IILecture 21 - Facility Layout and Planning - ILecture 22 - Facility Layout and Planning - IILecture 23 - Factors Influencing Plant LayoutLecture 24 - Material Flow PatternsLecture 25 - Tools and Techniques used For Plant Layout PlanningLecture 26 - Production Planning and ControlLecture 27 - Process PlanningLecture 28 - Aggregate Production PlanningLecture 29 - Capacity Planning



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Lecture 30 - Capacity PlanningLecture 31 - Project SchedulingLecture 32 - Network DiagramsLecture 33 - Critical Path MethodLecture 34 - Critical Path MethodLecture 35 - Critical Path MethodLecture 36 - Program Evaluation and Review Technique (PERT)Lecture 37 - PERT Problems - ILecture 38 - PERT Problems - IILecture 39 - Time Cost Trade Off (Crashing)Lecture 40 - Project NetworkLecture 41 - Production ControlLecture 42 - SequencingLecture 43 - Sequencing Problems - ILecture 44 - Sequencing Problems - IILecture 45 - Master Production Scheduling (MPS)Lecture 46 - Concept of QualityLecture 47 - Total Quality Management (TQM)Lecture 48 - Total Productive MaintenanceLecture 49 - Statistical Quality Control (SQC)Lecture 50 - Six SigmaLecture 51 - Materials ManagementLecture 52 - Inventory ControlLecture 53 - Economic Order Quantity (EOQ) ModelsLecture 54 - Economic Order Quantity (EOQ)Lecture 55 - Production Quantity ModelLecture 56 - Just In time (JIT)Lecture 57 - Kanban SystemLecture 58 - Materials Requirement Planning (MRP) - ILecture 59 - Materials Requirement Planning (MRP) - IILecture 60 - Enterprise Resource Planning (ERP)



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NPTEL Video Course - Mechanical Engineering - NOC:Theory of Production Processes




Lecture 1 - Introduction to Theory and Practics of CastingLecture 2 - Theory of SolidificationLecture 3 - Solidification of pure metals and alloysLecture 4 - Factors affecting solidification processLecture 5 - Fluidity of liquid metalsLecture 6 - Technology of patternmakingLecture 7 - PatternmakingLecture 8 - Molding sand ingredients and sand testing methodsLecture 9 - Sand molding methodsLecture 10 - CoremakingLecture 11 - Gating system designLecture 12 - Gating system designLecture 13 - Introduction to riser designLecture 14 - Risering methodsLecture 15 - Problem solving on gating design and risering methodsLecture 16 - Theory of meltingLecture 17 - Melting and production of Iron castingsLecture 18 - Production of steel and non-ferrous castingsLecture 19 - Casting design considerationsLecture 20 - Casting defectsLecture 21 - Concept of stress and strain, Elastic and plastic behaviorLecture 22 - State of stress in two and three dimensions, Mohrâ��s circleLecture 23 - Description of strain at a pointLecture 24 - Mean and deviator stresses, Elastic stress strain relationshipsLecture 25 - Theory of plasticityLecture 26 - Yield criteria for ductile materialsLecture 27 - Flow rules, Plastic stress strain relationshipsLecture 28 - Classification of metal working processesLecture 29 - Mechanics of metal working



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Lecture 30 - Temperature in metalworkingLecture 31 - Rolling processLecture 32 - Analysis of rolling operationLecture 33 - Introduction to forging ProcessLecture 34 - Analysis of forging processLecture 35 - Problem solving on rolling and forging processesLecture 36 - Extrusion processLecture 37 - Drawing of rods, tubes and wiresLecture 38 - Analysis of drawing operationLecture 39 - Sheet metal operationsLecture 40 - Metal Forming DefectsLecture 41 - Classification of joining processesLecture 42 - Heat flow in weldingLecture 43 - Metallurgy of fusion weldsLecture 44 - Heat affected zone in weldingLecture 45 - Heat treatment processes in weldingLecture 46 - Principle of shield arc welding processesLecture 47 - Principle of gas shield arc welding processesLecture 48 - Principle of Resistance weldingLecture 49 - Principle of Solid State Welding ProcessesLecture 50 - Brazing, soldering and adhesive bondingLecture 51 - Residual stresses in weldingLecture 52 - Methods of controlling residual stresses in weldingLecture 53 - Welding DistortionLecture 54 - Control of welding distortionLecture 55 - Preheat and postweld heat treatment of weldmentsLecture 56 - Weldability of metalsLecture 57 - Weldability of steelsLecture 58 - Weldability of cast ironLecture 59 - Weldability of non-ferrous materialsLecture 60 - Welding defects



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NPTEL Video Course - Mechanical Engineering - NOC:Automatic Control

Subject Co-ordinator - Dr. Anil Kumar



Lecture 1 - Definition and TypesLecture 2 - Performance SpecificationsLecture 3 - Design ProcessLecture 4 - Block DiagramsLecture 5 - Laplace Transform and Transfer FunctionLecture 6 - Translational Mechanical SystemLecture 7 - Rotational Mechanical SystemLecture 8 - Electrical SystemLecture 9 - Linearization of Nonlinear SystemsLecture 10 - Numerical ProblemsLecture 11 - Poles and ZerosLecture 12 - First Order SystemLecture 13 - Second Order SystemLecture 14 - Underdamped Second Order System - ILecture 15 - Underdamped Second Order System - IILecture 16 - Definition of StabilityLecture 17 - Routh-Hurwitz CriterionLecture 18 - Routh-Hurwitz Criterion- Special CasesLecture 19 - Steady State ErrorsLecture 20 - Static Error ConstantsLecture 21 - Define Root LocusLecture 22 - Sketching of Root Locus - ILecture 23 - Sketching of Root Locus - IILecture 24 - Sketching of Root Locus - IIILecture 25 - Numerical Examples and Second Order ApproximationLecture 26 - PI Controller DesignLecture 27 - PD Controller DesignLecture 28 - PID Controller DesignLecture 29 - Lag Compensation



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Lecture 30 - Lead and Lag-Lead CompensationLecture 31 - State Space RepresentationLecture 32 - Converting a Transfer Function to State SpaceLecture 33 - Converting From State Space to Transfer FunctionLecture 34 - Controller DesignLecture 35 - Controller Design and ControllabilityLecture 36 - Transfer Function, Poles, Zeros, ResponseLecture 37 - Steady State Error, Root LocusLecture 38 - Design Via Root Locus, Compensation - ILecture 39 - Design Via Root Locus, Compensation - IILecture 40 - State Space Method



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NPTEL Video Course - Mechanical Engineering - NOC:Failure Analysis and Prevention




Lecture 1 - Introduction - Need and scope of failure analysis and preventionLecture 2 - Introduction - Engineering disasters and understanding failuresLecture 3 - Fundamental sources of failures - Deficient design - ILecture 4 - Fundamental sources of failures - Deficient design - IILecture 5 - Fundamental sources of failures - Deficient design - III and upgrading of a partLecture 6 - Fundamental sources of failures - Imperfections in base metalsLecture 7 - Fundamental sources of failures - Improper Manufacturing - ILecture 8 - Fundamental sources of failures - Improper Manufacturing - IILecture 9 - Fundamental sources of failures - Improper Manufacturing - IIILecture 10 - Fundamental sources of failures - Improper Manufacturing - IV and improper service conditionsLecture 11 - Fundamental sources of failures - Poor assembly, service and maintenanceLecture 12 - Industrial engineering tool for failure analysis - Pareto diagramLecture 13 - Industrial engineering tool for failure analysis - Fishbone diagram and FMEALecture 14 - Industrial engineering tool for failure analysis - FMEALecture 15 - Industrial engineering tool for failure analysis - Fault tree analysisLecture 16 - Industrial engineering tool for failure analysis - Reliability - ILecture 17 - Industrial engineering tool for failure analysis - Reliability - IILecture 18 - General procedure of failure analysis - StepsLecture 19 - General procedure of failure analysis - Background information collectionLecture 20 - General procedure of failure analysis - Preliminary examinationLecture 21 - General procedure of failure analysis - NDT for failure analysisLecture 22 - General procedure of failure analysis - Destructive testingLecture 23 - General procedure of failure analysis - DT, selection, preservation, cleaning and sectioning of samplesLecture 24 - General procedure of failure analysis - Macroscopy of fracture surfaces - ILecture 25 - General procedure of failure analysis - Macroscopy of fracture surfaces - IILecture 26 - General procedure of failure analysis - Macroscopy of fracture surfaces - IIILecture 27 - General procedure of failure analysis - Macroscopy of fracture surfaces - IVLecture 28 - General procedure of failure analysis - Microscopy of fracture surfacesLecture 29 - General procedure of failure analysis - Metallography of failed components



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Lecture 30 - General procedure of failure analysis - Determination of type of fracture - ILecture 31 - General procedure of failure analysis - Determination of type of fracture - IILecture 32 - General procedure of failure analysis - Determination of type of fracture - III and chemical analysisLecture 33 - General procedure of failure analysis - Application of fracture mechanics - ILecture 34 - General procedure of failure analysis - Application of fracture mechanics - IILecture 35 - General procedure of failure analysis - Simulated test service conditions and analysis of evidencesLecture 36 - General procedure of failure analysis - Question for analysisLecture 37 - General procedure of failure analysis - Reporting failure analysis and failure analysis of welded jointLecture 38 - General procedure of failure analysis - Failure analysis of weld jointLecture 39 - General procedure of failure analysis - Examples of failure analysisLecture 40 - General procedure of failure analysis - Embrittlement of steels



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NPTEL Video Course - Mechanical Engineering - NOC:Mechanical Measurement System




Lecture 1 - Basic concepts of measurementLecture 2 - Functional elements of instrumentsLecture 3 - Classification of measuring instrumentsLecture 4 - Methods of correction for interfering and modifying inputsLecture 5 - Static characteristics of measuring instruments - 1Lecture 6 - Static characteristics of measuring instruments - 2Lecture 7 - Loading effect and Impedance matchingLecture 8 - Statistical analysisLecture 9 - Chi-square testLecture 10 - Least square methodLecture 11 - Uncertainty analysisLecture 12 - Problem solving - 1Lecture 13 - Generalized model of a measuring systemLecture 14 - Zero and first order systemLecture 15 - First order system - step responseLecture 16 - First order system - ramp responseLecture 17 - First order system - impulse responseLecture 18 - First order system - frequency responseLecture 19 - Second order system - step response - 1Lecture 20 - Second order system - step response - 2Lecture 21 - Second order system - ramp responseLecture 22 - Second order system - impulse and frequency responseLecture 23 - Higher order systemsLecture 24 - CompensationLecture 25 - Transducers - 1Lecture 26 - Transducers - 2Lecture 27 - Flow measurement - 1Lecture 28 - Flow measurement - 2Lecture 29 - Temperature measurement - 1



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Lecture 30 - Temperature measurement - 2Lecture 31 - Strain gaugesLecture 32 - Piezoelectric transducersLecture 33 - Pressure measurementLecture 34 - Force and torque measurementLecture 35 - Displacement and acceleration measurementLecture 36 - Sound measurementLecture 37 - Thermophysical properties measurementLecture 38 - Flow visualizationLecture 39 - Air pollution sampling and measurementLecture 40 - Problem solving - 2



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NPTEL Video Course - Mechanical Engineering - NOC:Fundamentals of Surface Engineering: Mechanisms, Processes and Characterizations




Lecture 1 - Introduction and need of surface engineeringLecture 2 - Surface/sub-surface regions and properties of importance for surface engineeringLecture 3 - Surface properties and their modificationLecture 4 - Classification of surface modification techniques - ILecture 5 - Classification of surface modification techniques - IILecture 6 - Comparison of surface modification techniques and scope of surface engineeringLecture 7 - Scope of surface engineering - ILecture 8 - Surface properties for wear and friction resistance - ILecture 9 - Surface properties for wear and friction resistance - IILecture 10 - Surface properties for wear and friction resistance - IIILecture 11 - Issues and application of surface modificationLecture 12 - Surface damageLecture 13 - Surface damageLecture 14 - Surface damageLecture 15 - Surface damageLecture 16 - Surface damageLecture 17 - Surface damageLecture 18 - Surface damageLecture 19 - Surface damageLecture 20 - Surface damageLecture 21 - Properties and mode of wearLecture 22 - Metal systemsLecture 23 - Thermal barrier coatingsLecture 24 - Functionally graded materials and other materialsLecture 25 - Surface modification techniquesLecture 26 - Surface modification techniquesLecture 27 - Surface modification techniquesLecture 28 - Surface modification techniquesLecture 29 - Surface modification techniques



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Lecture 30 - Surface modification techniquesLecture 31 - Surface modification techniquesLecture 32 - Surface modification techniquesLecture 33 - Surface modification techniquesLecture 34 - Surface modification techniquesLecture 35 - Surface modification techniquesLecture 36 - Surface modification techniquesLecture 37 - Surface modification techniquesLecture 38 - Surface modification techniquesLecture 39 - Surface modification techniquesLecture 40 - Surface modification techniquesLecture 41 - Surface modification techniquesLecture 42 - Surface modification techniquesLecture 43 - Surface modification techniquesLecture 44 - Surface modification techniquesLecture 45 - Surface modification techniquesLecture 46 - Surface modification techniquesLecture 47 - Surface modification techniquesLecture 48 - Surface modification techniquesLecture 49 - Surface modification techniquesLecture 50 - Surface modification techniquesLecture 51 - Surface modification techniquesLecture 52 - Surface modification techniquesLecture 53 - Surface modification techniquesLecture 54 - Surface modification techniquesLecture 55 - Characterization of modified surfacesLecture 56 - Characterization of modified surfacesLecture 57 - Characterization of modified surfacesLecture 58 - Characterization of modified surfacesLecture 59 - Characterization of modified surfacesLecture 60 - Characterization of modified surfaces



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NPTEL Video Course - Mechanical Engineering - NOC:Work System Design




Lecture 1 - Work System DesignLecture 2 - Introduction and Concept of ProductivityLecture 3 - Measurement of ProductivityLecture 4 - Productivity MeasuresLecture 5 - Productivity Measurement ModelsLecture 6 - Factors Influencing ProductivityLecture 7 - Causes of Low ProductivityLecture 8 - Productivity Improvement TechniqueLecture 9 - Numerical Problems on ProductivityLecture 10 - Case Study on ProductivityLecture 11 - Work StudyLecture 12 - Steps Involved in Work StudyLecture 13 - Concept of Work ContentLecture 14 - Techniques of Work StudyLecture 15 - Human Aspects of Work StudyLecture 16 - Method StudyLecture 17 - Method StudyLecture 18 - Method StudyLecture 19 - Operation Process ChartsLecture 20 - Operation Process ChartsLecture 21 - Flow Process ChartsLecture 22 - Flow Process ChartsLecture 23 - Two-Handed-Process ChartsLecture 24 - Multiple Activity ChartsLecture 25 - Flow DiagramsLecture 26 - String DiagramsLecture 27 - Principles of Motion EconomyLecture 28 - Micro-Motion StudyLecture 29 - Therbligs



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Lecture 30 - SIMO ChartsLecture 31 - Memo-Motion StudyLecture 32 - Cycle Graph and Chronocycle GraphLecture 33 - Critical Examination TechniquesLecture 34 - Development and Selection of New MethodLecture 35 - Installation and Maintenance of Improved MethodsLecture 36 - Work MeasurementLecture 37 - Techniques of Work MeasurementLecture 38 - Steps Involved in Time StudyLecture 39 - Steps and Equipment of Time StudyLecture 40 - Performance RatingLecture 41 - Performance RatingLecture 42 - Allowances in Time StudyLecture 43 - Computation of Standard Time - ILecture 44 - Computation of Standard Time - IILecture 45 - Work MeasurementLecture 46 - Work SamplingLecture 47 - Procedure of Work SamplingLecture 48 - Work SamplingLecture 49 - Introduction to Synthetic Data and PMTSLecture 50 - Introduction to MTM and MOSTLecture 51 - ErgonomicsLecture 52 - Industrial ErgonomicsLecture 53 - ErgonomicsLecture 54 - Man-Machine System - 1Lecture 55 - Man-Machine System - 2Lecture 56 - Case StudyLecture 57 - Case StudyLecture 58 - Case StudyLecture 59 - Case StudyLecture 60 - Case Study



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NPTEL Video Course - Mechanical Engineering - NOC:Principles of Metal Forming Technology




Lecture 1 - Introduction to Metal Forming TechnologyLecture 2 - Classification of Metal Working ProcessesLecture 3 - Behavior of MaterialsLecture 4 - Failure of MaterialsLecture 5 - Concept of stress and strainLecture 6 - Description of stressLecture 7 - State of stress in three dimensionLecture 8 - Description of strainLecture 9 - Hydrostatic and deviator components of stress and strainLecture 10 - Elastic stress strain relationshipsLecture 11 - Introduction to theory of plasticity and flow curveLecture 12 - True stress and true strainLecture 13 - Yield criteria for ductile materialsLecture 14 - Yield locus, Octahedral shear stress and strainLecture 15 - Plastic stress strain relationshipsLecture 16 - Measures of yielding and ductility in tensile testingLecture 17 - Instability in tensionLecture 18 - Strain rate effects on flow propertiesLecture 19 - Temperature effects on flow propertiesLecture 20 - Influence of various parameters on flow propertiesLecture 21 - Classification of metal working processesLecture 22 - Mechanics of metalworking and analysis methodsLecture 23 - Determination of flow stresses in metal workingLecture 24 - Hot working and cold workingLecture 25 - Metallurgical considerations in metal formingLecture 26 - Introduction and classification of forging processesLecture 27 - Equipments used in forgingLecture 28 - Forging in plane strainLecture 29 - Introduction and classification of rolling processes



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Lecture 30 - Analysis of rolling load calculationsLecture 31 - Defects in rolled and forged productsLecture 32 - Introduction and classification of extrusion processesLecture 33 - Analysis of extrusion processesLecture 34 - Extrusion of tubes and pipes, extrusion defectLecture 35 - Introduction to rod and wire drawingLecture 36 - Analysis of wire drawing and tube drawing processesLecture 37 - Sheet metal operations - ILecture 38 - Sheet metal operations - IILecture 39 - Powder metallurgy forming - ILecture 40 - Powder metallurgy forming - II



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NPTEL Video Course - Mechanical Engineering - NOC:Radiative Heat Transfer

Subject Co-ordinator - Prof. Ankit Bansal



Lecture 1 - IntroductionLecture 2 - Fundamentals of RadiationLecture 3 - Basic Laws of Thermal RadiationLecture 4 - Properties of Plane SurfacesLecture 5 - Radiative Properties of MaterialsLecture 6 - View FactorLecture 7 - Hottel Crossed String MethodLecture 8 - Inside Sphere and Monte Carlo MethodLecture 9 - Radiative Heat Exchange Between Black SurfacesLecture 10 - Radiative Heat Exchange Between Gray Diffuse SurfacesLecture 11 - Network AnalogyLecture 12 - Solution Methods for Governing Integral EquationsLecture 13 - Radiative Heat Exchange between Partially Specular Gray SurfacesLecture 14 - Non-Gray SurfacesLecture 15 - Radiative Heat Transfer in the Presence of Conduction/ConvectionLecture 16 - Radiative Transfer in Participating MediaLecture 17 - Equation of Radiative TransferLecture 18 - Solution of Radiative Transfer EquationLecture 19 - Radiative Heat Transfer in Cylindrical MediaLecture 20 - Approximate Methods-ILecture 21 - Approximate Methods-IILecture 22 - The Method of Spherical Harmonics (PN Approximation) - ILecture 23 - The Method of Spherical Harmonics (PN Approximation) - IILecture 24 - Discrete Ordinate Method (DOM)Lecture 25 - Zone MethodLecture 26 - Exchange AreasLecture 27 - Monte Carlo Method for Thermal Radiation - ILecture 28 - Monte Carlo Method for Thermal Radiation - IILecture 29 - Radiative Properties of Gases



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Lecture 30 - Atomic and Molecular SpectraLecture 31 - Line RadiationLecture 32 - Spectral ModellingLecture 33 - Wide Band ModelsLecture 34 - WSGG ModelLecture 35 - k-Distribution ModelLecture 36 - Radiative Properties of Particulate MediaLecture 37 - Combustion and FlameLecture 38 - Solar and Atmospheric RadiationLecture 39 - Concentrated Solar CollectorLecture 40 - Experimental Methods



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NPTEL Video Course - Mechanical Engineering - NOC:Weldability of Metals




Lecture 1 - Understanding WeldabilityLecture 2 - Understanding WeldabilityLecture 3 - Metal Properties and Weldability - ILecture 4 - Metal Properties and Weldability - IILecture 5 - Weldability of Work Hardenable MetalsLecture 6 - Weldability of Work Hardenable and Precipitation Strengthened MetalsLecture 7 - Weldability of Precipitation Strengthened MetalsLecture 8 - Weldability of Metals Strengthened by Grain Refinement, dispersion Hardening and Transformation HardeningLecture 9 - Weldability of Transformation Hardening MetalsLecture 10 - Weldability of MetalsLecture 11 - Weldability ConsiderationLecture 12 - Weldability of Carbon and Alloy Steel - ILecture 13 - Weldability of Carbon and Alloy Steel - IILecture 14 - Weldability of Carbon and Alloy Steel - IIILecture 15 - Weldability of Low Carbon Steel and Mild SteelLecture 16 - Weldability of Medium Carbon Steel and High Carbon SteelLecture 17 - Weldability of Carbon and Welding Processes - ILecture 18 - Weldability of Carbon and Welding Processes - IILecture 19 - Weldability of Carbon Steel and Welding Processes - IIILecture 20 - Weldability of Carbon Steel and Radiation Welding and Thermal CuttingLecture 21 - Weldability of High Strength Low Alloy SteelsLecture 22 - Weldability of Q&T Steels - ILecture 23 - Weldability of Q&T Steels - IILecture 24 - Weldability of Q&T Steels - IIILecture 25 - Weldability of Q&T Steels - IVLecture 26 - Weldability of HTLA Steel - ILecture 27 - Weldability of HTLA Steel - IILecture 28 - Weldability of Cr-Mo Steel - ILecture 29 - Weldability of Cr-Mo Steel - II



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Lecture 30 - Weldability of Cr-Mo Steel - IIILecture 31 - Weldability of Pre-Coated Steel - ILecture 32 - Weldability of Pre-Coated Steel - IILecture 33 - Weldability of Stainless Steel - ILecture 34 - Weldability of Stainless Steel - IILecture 35 - Weldability of Martensitic Stainless Steel - ILecture 36 - Weldability of Martensitic Stainless Steel - IILecture 37 - Weldability of Ferritic Stainless Steel - ILecture 38 - Weldability of Austenitic Stainless Steel - ILecture 39 - Weldability of Austenitic Stainless Steel - IILecture 40 - Weldability of PH Stainless Steel



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NPTEL Video Course - Mechanical Engineering - NOC:Manufacturing Guidelines for Product Design




Lecture 1 - Product DesignLecture 2 - Introduction of Manufacturing ProcessesLecture 3 - Manufacturing ProcessesLecture 4 - Manufacturing ProcessesLecture 5 - Process CapabilitiesLecture 6 - Engineering MaterialsLecture 7 - Properties of materialsLecture 8 - Selection of materials - ILecture 9 - Selection of materials - IILecture 10 - Applications of Engineering MaterialLecture 11 - Robust designLecture 12 - Design for XLecture 13 - Product Design for Manual AssemblyLecture 14 - DFMA GuidelinesLecture 15 - Ergonomics in Product DesignLecture 16 - Selection of processes - ILecture 17 - Selection of processes - IILecture 18 - Process Capabilities.Lecture 19 - Design Guidelines for Sand CastingLecture 20 - Design Guidelines for Die CastingLecture 21 - Product Design GuidelinesLecture 22 - Design Guidelines for Extrusion and Injection MoldingLecture 23 - Design Guidelines for Sheet Metal WorkingLecture 24 - Design Guidelines for MachiningLecture 25 - Design Guidelines for Powder Metal ProcessingLecture 26 - Assembly ProcessesLecture 27 - Adhesive JoiningLecture 28 - Design Guidelines for Mechanical FastenersLecture 29 - Design Guidelines for Welding



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Lecture 30 - Design guidelinesLecture 31 - Induction WeldingLecture 32 - Ultrasonic WeldingLecture 33 - Vibration and Spin WeldingLecture 34 - Microwave JoiningLecture 35 - Hole makingLecture 36 - Design for EnvironmentLecture 37 - Design for EnvironmentLecture 38 - Product ArchitectureLecture 39 - Rapid PrototypingLecture 40 - Product Design



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NPTEL Video Course - Mechanical Engineering - NOC:Inspection and Quality Control in Manufacturing

Subject Co-ordinator - Prof. Kaushik Pal



Lecture 1 - IntroductionLecture 2 - Need of InspectionLecture 3 - Destructive Inspection - ILecture 4 - Destructive Inspection - IILecture 5 - Testing of Composite MaterialsLecture 6 - Nondestructive Inspection - Visual InspectionLecture 7 - Dye Penetrant InspectionLecture 8 - Magnetic Particle InspectionLecture 9 - Eddy Current InspectionLecture 10 - Ultrasonic InspectionLecture 11 - Acoustic Emission InspectionLecture 12 - Radiography InspectionLecture 13 - Leak TestingLecture 14 - Thermographic Nondestructive TestingLecture 15 - Advanced Nondestructive Testing Techniques, NDT Standards, Safety in NDTLecture 16 - Engineering Metrology - Linear MeasurementLecture 17 - Angular Measurement and Measurement of Surface FinishLecture 18 - Screw Thread MetrologyLecture 19 - Gear MeasurementLecture 20 - Miscellaneous Measurements



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NPTEL Video Course - Mechanical Engineering - NOC:Financial Mathematics




Lecture 1 - Introduction to Financial MathematicsLecture 2 - Important Mathematical Functions and its CharacteristicsLecture 3 - Progressions and Series, Growth and Decay CurvesLecture 4 - Statistical MeasuresLecture 5 - Problem Solving on Mathematical Functions and Statistical MeasuresLecture 6 - Interest and Interest Rate, Time Value of MoneyLecture 7 - Simple Discount, Focal Date and Equation of ValueLecture 8 - Introduction to Bank DiscountLecture 9 - Introduction to Compound InterestLecture 10 - Problem Solving on Simple Interest and Bank DiscountLecture 11 - Introduction to Discrete Compounding and Discrete PaymentsLecture 12 - Equal Payment Series and Gradient Series FactorsLecture 13 - Geometric Gradient Series FactorsLecture 14 - Annuities Due and Annuities DeferredLecture 15 - Problem Solving on Compounding FactorsLecture 16 - Compounding Frequency of InterestLecture 17 - Interest Factors for Continuous CompoundingLecture 18 - Introduction to Economic EquivalenceLecture 19 - Principles of EquivalenceLecture 20 - Problem Solving on Compounding Frequency and Economic EquivalenceLecture 21 - Methods of Comparison of AlternativesLecture 22 - Payback PeriodLecture 23 - Capitalized Equivalent and Capital Recovery with ReturnLecture 24 - Project BalanceLecture 25 - Problem Solving on Alternatives Comparison and Project BalanceLecture 26 - Analysis of Credit and LoansLecture 27 - Assessing Interest and Structured Payments in LoansLecture 28 - Introduction to Cost of Credit and AmortizationLecture 29 - Analysis of Amortization Schedule



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Lecture 30 - Graduated Payment Mortgage, Sinking FundsLecture 31 - Introduction to Depreciation and DepletionLecture 32 - Types of DepreciationLecture 33 - Tax Depreciation MethodsLecture 34 - SOD and UOP Method of Depreciation, DepletionLecture 35 - Problem Solving on Depreciation and DepletionLecture 36 - Introduction to Break-Even AnalysisLecture 37 - Analysis of Break-Even Time and Dual Break-Even PointsLecture 38 - Economic Order QuantityLecture 39 - Introduction to LeverageLecture 40 - Financial Leverage and Total LeverageLecture 41 - Introduction to StocksLecture 42 - Stock ValuationLecture 43 - Two Stage Dividend Growth and Preferred StocksLecture 44 - Introduction to BondsLecture 45 - Bond Premium and Discount, Bond PurchaseLecture 46 - Introduction to Mutual fundsLecture 47 - Performance MeasuresLecture 48 - OptionsLecture 49 - Option ValuationLecture 50 - Introduction to Cost of Capital and Ratio AnalysisLecture 51 - Introduction to Risk MeasurementLecture 52 - Decision-Making Under RiskLecture 53 - Decision Under UncertaintyLecture 54 - Risk Premium, Portfolio Return and RiskLecture 55 - Portfolio DiversificationLecture 56 - Introduction to Insurance, Mortality TableLecture 57 - Pure Endowment and Life AnnuitiesLecture 58 - Introduction to Life InsuranceLecture 59 - Types of Life Insurance PoliciesLecture 60 - Reserve Funds, Property and Casualty Insurance



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NPTEL Video Course - Mechanical Engineering - NOC:Product Design Using Value Engineering




Lecture 1 - Introduction to Product Design and DevelopmentLecture 2 - Product Design Steps and Product AnalysisLecture 3 - Profit ConsiderationLecture 4 - Value Engineering (VE) History, Concept and DefinitionsLecture 5 - Value Engineering vs Cost CuttingLecture 6 - Creative ThinkingLecture 7 - Problem Identification and VEJPLecture 8 - Types of Product FunctionsLecture 9 - Funtional AnalysisLecture 10 - Functional Analysis System TechniqueLecture 11 - Function-Cost Relationship - ILecture 12 - Function-Cost Relationship - IILecture 13 - VE Applications in Product DesignLecture 14 - Value EngineeringLecture 15 - Value EngineeringLecture 16 - VE Tools and Techniques - ILecture 17 - VE Tools and Techniques - IILecture 18 - VE Success Stories - ILecture 19 - VE Success Stories - IILecture 20 - Behavioral Roadblocks



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NPTEL Video Course - Mechanical Engineering - NOC:Selection of Nanomaterials for Energy Harvesting and Storage Application

Subject Co-ordinator - Prof. Kaushik Pal



Lecture 1 - IntroductionLecture 2 - Solar Energy HarvestingLecture 3 - Perovskite Solar CellsLecture 4 - Solar Thermal EnergyLecture 5 - Heat Transfer FluidsLecture 6 - Hydrogen EnergyLecture 7 - Hydrogen Production from Thermochemical ProcessLecture 8 - Hydrogen Production from ElectrolysisLecture 9 - Photo-electrochemical Production of Hydrogen Using Solar EnergyLecture 10 - Hydrogen Production from Biological ProcessLecture 11 - NanogeneratorsLecture 12 - Triboelectric NanogeneratorsLecture 13 - Pyroelectric NanogeneratorsLecture 14 - Thermoelectric Nanogenerators and Electromagnetic generatorsLecture 15 - Other Energy ResourcesLecture 16 - Energy StorageLecture 17 - Electrochemical Energy Storage (Batteries)Lecture 18 - SupercapacitorsLecture 19 - Hydrogen StorageLecture 20 - Thermal Energy Storage



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NPTEL Video Course - Mechanical Engineering - Micro and Smart Systems

Subject Co-ordinator - Dr. K.J. Vinoy, Prof. S. Gopalakrishnan, Prof. K.N. Bhat, Prof. G.K. Anathasuresh

Co-ordinating Institute - IISc - Bangalore


Lecture 1 - Glimpses of MicrosystemsLecture 2 - Smart Materials and SystemsLecture 3 - MicrosensorsLecture 4 - MicroactuatorsLecture 5 - MicrosystemsLecture 6 - Smart systems Application and Structural Health MonitoringLecture 7 - Microfabrication TechnologiesLecture 8 - Thin-film Materials and their DepositionLecture 9 - Approaches for Pattern TransferLecture 10 - Surface Micromachining of MicrostructuresLecture 11 - Bulk Micromachining of MicrosystemsLecture 12 - Extended Approaches for Working MicrosystemsLecture 13 - Non-conventional Approaches for MicrosystemsLecture 14 - Packaging of MicrosystemsLecture 15 - Deformation Strains and StressesLecture 16 - Microdevice SuspensionsLecture 17 - Residual Stress and Stress GradientsLecture 18 - Torsion and TwistLecture 19 - Vibrations of Microsystems DevicesLecture 20 - Vibrations of Microsystems DevicesLecture 21 - Micromachined GyroscopesLecture 22 - Modelling of Coupled Electrostatic MicrosystemsLecture 23 - Coupled Electrothermal-elastic ModellingLecture 24 - Modelling of MicrosystemsLecture 25 - Finite Element Method and MicrosystemsLecture 26 - Theoretical Basis for the Finite Element MethodLecture 27 - Energy Theorems and Weak Form of the Governing EquationLecture 28 - Finite Element Equation Development and Shape FunctionsLecture 29 - Isoparametric FE Formulation and some Examples



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Lecture 30 - Finite Element for Structures with Piezoelectric MaterialsLecture 31 - Semiconductor Device PhysicsLecture 32 - BJT and MOSFET Characteristics and Op-AmpsLecture 33 - Op-Amp Circuits and Signal conditioning for Microsystems DevicesLecture 34 - Control and MicrosystemsLecture 35 - Vibration Control of a BeamLecture 36 - Signal Conditioning Circuits and Integration of Microsystems and MicroelectronicsLecture 37 - Pressure Sensor Design Concepts, Processing, and PackagingLecture 38 - Pressure Sensor Design Concepts, Processing, and PackagingLecture 39 - Pressure Sensor Design Concepts, Processing, and PackagingLecture 40 - Capacitive Micro-accelerometer



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NPTEL Video Course - Mechanical Engineering - NOC:Variational Methods in Mechanics

Subject Co-ordinator - Prof. G.K. Anathasuresh



Lecture 1 - Classification of optimization problems and the place of Calculus of Variations in it - Part ILecture 2 - Classification of optimization problems and the place of Calculus of Variations in it - Part IILecture 3 - Genesis of Calculus of Variations - Part ILecture 4 - Genesis of Calculus of Variations - Part IILecture 5 - Formulation of Calculus of Variations problems in geometry and mechanics and design - Part ILecture 6 - Formulation of Calculus of Variations problems in geometry and mechanics and design - Part IILecture 7 - Unconstrained minimization in one and many variables - Part ILecture 8 - Unconstrained minimization in one and many variables - Part IILecture 9 - Constrained minimization KKT conditions - Part ILecture 10 - Constrained minimization KKT conditions - Part IILecture 11 - Sufficient conditions for constrained minimization - Part ILecture 12 - Sufficient conditions for constrained minimization - Part IILecture 13 - Mathematical preliminaries function, functional, metrics and metric space, norm and vector spaces - Part ILecture 14 - Mathematical preliminaries function, functional, metrics and metric space, norm and vector spaces - Part IILecture 15 - Function spaces and Gateaux variationLecture 16 - First variation of a functional Freche?t differential and variational derivativeLecture 17 - Fundamental lemma of calculus of variations and Euler Lagrange equations - Part ILecture 18 - Fundamental lemma of calculus of variations and Euler Lagrange equations - Part IILecture 19 - Extension of Euler-Lagrange equations to multiple derivativesLecture 20 - Extension of Euler-Lagrange equations to multiple functions in a functionalLecture 21 - Global Constraints in calculus of variations - Part ILecture 22 - Global Constraints in calculus of variations - Part IILecture 23 - Local (finite subsidiary) constrains in calculus of variations - Part ILecture 24 - Local (finite subsidiary) constrains in calculus of variations - Part IILecture 25 - Size optimization of a bar for maximum stiffness for given volume - Part ILecture 26 - Size optimization of a bar for maximum stiffness for given volume - Part IILecture 27 - Size optimization of a bar for maximum stiffness for given volume - Part IIILecture 28 - Calculus of variations in functionals involving two and three independent variables - Part ILecture 29 - Calculus of variations in functionals involving two and three independent variables - Part II



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Lecture 30 - General variation of a functional, transversality conditions. Broken extremals, Wierstrass-Erdmann corner conditions - Part ILecture 31 - General variation of a functional, transversality conditions. Broken extremals, Wierstrass-Erdmann corner conditions - Part IILecture 32 - Variational (energy) methods in statics; principles of minimum potential energy and virtual workLecture 33 - General framework of optimal structural designs - Part ILecture 34 - General framework of optimal structural designs - Part IILecture 35 - Optimal structural design of bars and beams using the optimality criteria methodLecture 36 - Invariants of Euler-Lagrange equations and canonical formsLecture 37 - NoetherÂ�s theoremLecture 38 - Minimum characterization of Sturm-Liouville problemsLecture 39 - Rayleigh quotient for natural frequencies and mode shapes of elastic systemsLecture 40 - Stability analysis and buckling using calculus of variationsLecture 41 - Strongest (most stable) columnLecture 42 - Dynamic compliance optimizationLecture 43 - Electro-thermal-elastic structural optimizationLecture 44 - Formulating the extremization problem starting from the differential equation, self-adjointness of the differential operator, and methods to deal with conservative and dissipative system



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NPTEL Video Course - Mechanical Engineering - NOC:Compliant Mechanisms: Principles and Design

Subject Co-ordinator - Prof. G. K. Ananthasuresh



Lecture 1 - OverviewLecture 2 - Spirit of compliant designLecture 3 - A glimpse of applicationsLecture 4 - Mobility and degrees of freedom in compliant mechanismsLecture 5 - MaxwellÂ�s rule and GrÃ¼blerÂ�s formulaLecture 6 - Using compatibility and force equilibrium matrices to identify degrees of freedom and states of self-stress in trussesLecture 7 - Empirical formula for flexure jointsLecture 8 - Types of elastic pairs (flexures)Lecture 9 - Linear finite element analysis of compliant mechanisms with beam elementsLecture 10 - A compliant mechanism kitLecture 11 - Linear and nonlinear finite element analyses using continuum elementsLecture 12 - Subtleties in finite element analysis: geometric nonlinearity and contactLecture 13 - Deformation of a cantilever under a tip-load, using elliptic integralsLecture 14 - Elliptic integrals and their use in elastica analysisLecture 15 - Frisch-FayÂ�s approach to large deformation of beamLecture 16 - Burns-CrossleyÂ�s kinematic modelLecture 17 - Howell-MidhaÂ�s elastic modelLecture 18 - Putting together the pseudo rigid-body modelLecture 19 - Modeling a partially compliant mechanismLecture 20 - Kinematic coefficients of a four-bar linkage with and without springsLecture 21 - Solving equations of PRB modeling and comparing with finite element analysisLecture 22 - Loop-closure equations for PRB models of compliant mechanismsLecture 23 - Burmester theory for compliant mechanismsLecture 24 - PRB-based Synthesis ExamplesLecture 25 - Structural optimization approachLecture 26 - Early works on design for complianceLecture 27 - Design for deflection of trussesLecture 28 - Design for deflection of beams and framesLecture 29 - Design of elastic continua for desired deflection



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Lecture 30 - Continuum element-based topology optimization of compliant mechanismsLecture 31 - YinSyn; synthesis of nonlinear responses with compliant mechanismsLecture 32 - Five different formulations for compliant mechanism design and some benchmark problemsLecture 33 - Distributed complianceLecture 34 - How to achieve distributed complianceLecture 35 - Shape optimizationLecture 36 - Cam-flexure clamp-case-studyLecture 37 - SL model for compliant mechanismsLecture 38 - Feasibility maps for compliant mechanismsLecture 39 - Selection of compliant mechanisms for given user-specificationsLecture 40 - Two case-studies using feasibility maps techniqueLecture 41 - SML model for compliant mechanisms for dynamic responseLecture 42 - Re-design of compliant mechanisms; Matlab and Java codesLecture 43 - Non-dimensional analysis of beamsLecture 44 - Deformation index and slenderness ratio of compliant mechanismsLecture 45 - Kinetoelastostatic mapsLecture 46 - Designing with kinetoelastic mapsLecture 47 - Non-dimensinalization of stress, frequency, and other measuresLecture 48 - Designing compliant suspensions using kinetoelastic mapsLecture 49 - Instant centre method for designing compliant mechanismsLecture 50 - Stiffness and compliance ellipsoidsLecture 51 - Building block method of designing compliant mechanismsLecture 52 - Comparative analysis of different methods for designing compliant mechanismsLecture 53 - Aspects of Mechanical advantage of compliant mechanismsLecture 54 - Mechanical advantage of rigid-body and compliant mechanismsLecture 55 - Bistability in elastic systemsLecture 56 - Analysis of bistable archesLecture 57 - Compliant mechanisms with bistable archesLecture 58 - Static balancing and zero-free-length springsLecture 59 - Static balance of a compliant mechanism using a linkageLecture 60 - Static balancing method for compliant mechanismsLecture 61 - A catalogue of compliant mechanismsLecture 62 - Compliant suspension mechanism in microsystems (MEMS)Lecture 63 - Micromechanical signal processors using compliant mechanismsLecture 64 - A few special concepts of compliant mechanismsLecture 65 - Materials and prototyping of compliant mechanismsLecture 66 - Summary of the courseLecture 67 - Micromachined accelerometers with Displacement-amplifying Compliant Mechanisms (DaCMs)Lecture 68 - Miniature compliant mechanisms as cell-manipulation tools



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Lecture 69 - Micro-newton force sensorLecture 70 - Compliant tissue cutting mechanismLecture 71 - A compliant pipe-crawling robotsLecture 72 - A compliant easy-chair for the elderly



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NPTEL Video Course - Mechanical Engineering - NOC:Heat Transfer and Combustion in Multiphase Systems

Subject Co-ordinator - Prof. Saptarshi Basu



Lecture 1 - Introduction to MultiphaseLecture 2 - Thermodynamics of Multiphase systemsLecture 3 - Thermodynamics of Interface - ILecture 4 - Thermodynamics of Interface - IILecture 5 - Interfacial phenomena key concepts - ILecture 6 - Interfacial phenomena key concepts - IILecture 7 - Interfacial heat and mass transfer - I - Interfacial mass, momentum and energy balance, Surface tension, WettingL07Lecture 8 - Interfacial heat and mass transfer - II - Interfacial dynamics, Instabilities of the interfaceLecture 9 - Interfacial heat and mass transfer - III - Evaporation from thin filmsLecture 10 - Governing equations and interfacial conditionsLecture 11 - Governing equationsLecture 12 - Governing equationsLecture 13 - Governing equationsLecture 14 - Interface shapesLecture 15 - Transport processes at interface with key concepts - ILecture 16 - Transport processes at interface with key concepts - IILecture 17 - Interfacial transportLecture 18 - Interfacial transport including dynamic behaviorLecture 19 - Interface behaviorLecture 20 - Heat transfer and evaporation in dropletsLecture 21 - Droplet vaporization models - ILecture 22 - Droplet vaporization models - IILecture 23 - Droplet vaporization dynamics - ILecture 24 - Droplet vaporization dynamics - IILecture 25 - Droplet liquid phase transportLecture 26 - Comprehensive droplet vaporization model and correlations - ILecture 27 - Comprehensive droplet vaporization model and correlations - IILecture 28 - Comparison of droplet vaporization modelsLecture 29 - Species transport in droplet



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Lecture 30 - Heat transfer and transport processes in sessile dropletsLecture 31 - Introduction to atomizationLecture 32 - Atomization principles and governing parametersLecture 33 - Spray / droplet breakup models Â� I (TAB model)Lecture 34 - Spray / droplet breakup models Â� II (WAVE model)Lecture 35 - Droplet combustion - ILecture 36 - Droplet combustion - IILecture 37 - Regimes in spray combustionLecture 38 - Boiling - ILecture 39 - Boiling - II (Bubble dynamics)Lecture 40 - Boiling - II (Bubble dynamics and critical heat flux)



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NPTEL Video Course - Mechanical Engineering - NOC:Convective Heat Transfer (2018)

Subject Co-ordinator - Prof. Saptarshi Basu



Lecture 1 - Introduction to convective heat transferLecture 2 - Governing equations I - Momentum ConservationLecture 3 - Governing equations II - Energy ConservationLecture 4 - Introduction to external forced convectionLecture 5 - Scaling Analysis - MomentumLecture 6 - Scaling Analysis - Energy ILecture 7 - Scaling Analysis - Energy IILecture 8 - Similarity solution - MomentumLecture 9 - Similarity solution - EnergyLecture 10 - Integral solutions - MomentumLecture 11 - Integral solutions - EnergyLecture 12 - Suction and BlowingLecture 13 - Falkner-Skan solutionLecture 14 - Arbitrary Wall temperatureLecture 15 - Internal forced convection - Developing flowLecture 16 - Hydrodynamic fully developed flowLecture 17 - Mean temperature in fully developed flowLecture 18 - Uniform heat fluxLecture 19 - Uniform wall temperatureLecture 20 - Tube surrounded by isothermal flowLecture 21 - Heat transfer to fully developed flow - ILecture 22 - Heat transfer to fully developed flow - IILecture 23 - Laminar slug flowLecture 24 - Power law fluidsLecture 25 - Forced convection - Tutorial ILecture 26 - Forced convection - Tutorial IILecture 27 - Forced convection - Tutorial IIILecture 28 - Introduction to external natural convectionLecture 29 - Scaling analysis - I



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Lecture 30 - Scaling analysis - IILecture 31 - Integral solutionLecture 32 - Similarity solutionLecture 33 - Uniform wall heat fluxLecture 34 - Thermal stratificationLecture 35 - Mixed convectionLecture 36 - Internal natural convection - Scaling analysisLecture 37 - Heat transfer regimesLecture 38 - Regime IIILecture 39 - Regime IV - Shallow enclosure limit - ILecture 40 - Regime IV - Shallow enclosure limit - IILecture 41 - Partially divided enclosuresLecture 42 - Inclined enclosuresLecture 43 - Natural convection - Tutorial ILecture 44 - Natural convection - Tutorial IILecture 45 - Introduction to TurbulenceLecture 46 - Reynoldâ��s Averaged Navier Stokes equation - ILecture 47 - Reynoldâ��s Averaged Navier Stokes equation - IILecture 48 - Turbulent boundary layer - Viscous sub layerLecture 49 - Turbulent boundary layer - Fully turbulent sub layerLecture 50 - Heat transfer in turbulent boundary layerLecture 51 - Turbulent internal flow - ILecture 52 - Turbulent internal flow - IILecture 53 - Turbulent internal flow - IIILecture 54 - K - Îµ modelLecture 55 - Turbulence - TutorialLecture 56 - Experimental techniques - Thermochromic liquid crystalsLecture 57 - Experimental techniques - IR thermographyLecture 58 - Droplet evaporation - Sessile ILecture 59 - Droplet evaporation - Sessile IILecture 60 - Droplet evaporation - Contact free



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NPTEL Video Course - Mechanical Engineering - NOC:A Short Lecture series on Contour Integration in the Complex Plane

Subject Co-ordinator - Prof. Venkata Sonti



Lecture 1 - Introduction to complex variablesLecture 2 - Cauchy Riemann EquationsLecture 3 - Analytic FunctionsLecture 4 - Simple definitionsLecture 5 - Definition of sets, domains, theorem on antiderivativeLecture 6 - Cauchy Gorsat TheoremLecture 7 - Implications of Cauchy Gorsat Theorem, Cauchy Integral FormulaLecture 8 - Implications of CIF, converse of CG theoremLecture 9 - Examples in contour integrals, ratios of polynomialsLecture 10 - Contour integration of sinc functionLecture 11 - Method of path deformationLecture 12 - Method of path deformation (Continued...)Lecture 13 - Infinite and finite branch cutsLecture 14 - Finite Branch CutLecture 15 - Infinite branch cut exampleLecture 16 - Contour integrationLecture 17 - Finite square root branch cutLecture 18 - Example on finite branch cutLecture 19 - Pole on a branch cutLecture 20 - L shaped branch cutLecture 21 - L shaped branch cut continuedLecture 22 - Inverse Laplace TransformLecture 23 - Inverse Laplace Transform (Continued...)Lecture 24 - Additional material or corrections to lecturesLecture 25 - Summary of the total course



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NPTEL Video Lecture Topic List - Created by LinuXpert Systems, … · 2019-10-26 · NPTEL Video...

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