Heat and Mass Transfer - University of BabylonChapter Two: Steady-State Conduction-One Dimension...

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Heat and Mass Transfer Instructor: Dr. Wisam J. Khudhayer Textbook Heat Transfer, Tenth Edition McGraw Hill By J. P. Holman

Transcript of Heat and Mass Transfer - University of BabylonChapter Two: Steady-State Conduction-One Dimension...

Page 1: Heat and Mass Transfer - University of BabylonChapter Two: Steady-State Conduction-One Dimension Heat Source Systems Plane Wall with Heat Sources Boundary Conditions: General Solution

Heat and Mass Transfer

Instructor: Dr. Wisam J. Khudhayer

Textbook

Heat Transfer, Tenth Edition

McGraw Hill

By

J. P. Holman

Page 2: Heat and Mass Transfer - University of BabylonChapter Two: Steady-State Conduction-One Dimension Heat Source Systems Plane Wall with Heat Sources Boundary Conditions: General Solution

Chapter Two: Steady-State Conduction-One Dimension

Plane Wall

Steady-State

Integration between 1 and 2 yields:Temperature distribution (constant k):

Temperature distribution (variable k):

12

1

TT

TT

L

x x

Thermal Resistance

Page 3: Heat and Mass Transfer - University of BabylonChapter Two: Steady-State Conduction-One Dimension Heat Source Systems Plane Wall with Heat Sources Boundary Conditions: General Solution

Chapter Two: Steady-State Conduction-One Dimension

Page 4: Heat and Mass Transfer - University of BabylonChapter Two: Steady-State Conduction-One Dimension Heat Source Systems Plane Wall with Heat Sources Boundary Conditions: General Solution

Chapter Two: Steady-State Conduction-One Dimension

Page 5: Heat and Mass Transfer - University of BabylonChapter Two: Steady-State Conduction-One Dimension Heat Source Systems Plane Wall with Heat Sources Boundary Conditions: General Solution

Chapter Two: Steady-State Conduction-One Dimension

Radial Systems

Cylinders

Page 6: Heat and Mass Transfer - University of BabylonChapter Two: Steady-State Conduction-One Dimension Heat Source Systems Plane Wall with Heat Sources Boundary Conditions: General Solution

Chapter Two: Steady-State Conduction-One Dimension

Radial Systems

Spheres

Page 7: Heat and Mass Transfer - University of BabylonChapter Two: Steady-State Conduction-One Dimension Heat Source Systems Plane Wall with Heat Sources Boundary Conditions: General Solution

Chapter Two: Steady-State Conduction-One Dimension

Page 8: Heat and Mass Transfer - University of BabylonChapter Two: Steady-State Conduction-One Dimension Heat Source Systems Plane Wall with Heat Sources Boundary Conditions: General Solution

Chapter Two: Steady-State Conduction-One Dimension

Page 9: Heat and Mass Transfer - University of BabylonChapter Two: Steady-State Conduction-One Dimension Heat Source Systems Plane Wall with Heat Sources Boundary Conditions: General Solution

Chapter Two: Steady-State Conduction-One Dimension

Convection Boundary Conditions

What about the thermal resistance for radiation boundary conditions???

Page 10: Heat and Mass Transfer - University of BabylonChapter Two: Steady-State Conduction-One Dimension Heat Source Systems Plane Wall with Heat Sources Boundary Conditions: General Solution

Chapter Two: Steady-State Conduction-One Dimension

The overall heat transfer coefficient (U)

Page 11: Heat and Mass Transfer - University of BabylonChapter Two: Steady-State Conduction-One Dimension Heat Source Systems Plane Wall with Heat Sources Boundary Conditions: General Solution

Chapter Two: Steady-State Conduction-One Dimension

The overall heat transfer coefficient (U)

Page 12: Heat and Mass Transfer - University of BabylonChapter Two: Steady-State Conduction-One Dimension Heat Source Systems Plane Wall with Heat Sources Boundary Conditions: General Solution

Chapter Two: Steady-State Conduction-One Dimension

Page 13: Heat and Mass Transfer - University of BabylonChapter Two: Steady-State Conduction-One Dimension Heat Source Systems Plane Wall with Heat Sources Boundary Conditions: General Solution

Chapter Two: Steady-State Conduction-One Dimension

Page 14: Heat and Mass Transfer - University of BabylonChapter Two: Steady-State Conduction-One Dimension Heat Source Systems Plane Wall with Heat Sources Boundary Conditions: General Solution

Chapter Two: Steady-State Conduction-One Dimension

Page 15: Heat and Mass Transfer - University of BabylonChapter Two: Steady-State Conduction-One Dimension Heat Source Systems Plane Wall with Heat Sources Boundary Conditions: General Solution

Chapter Two: Steady-State Conduction-One Dimension

Page 16: Heat and Mass Transfer - University of BabylonChapter Two: Steady-State Conduction-One Dimension Heat Source Systems Plane Wall with Heat Sources Boundary Conditions: General Solution

Chapter Two: Steady-State Conduction-One Dimension

Page 17: Heat and Mass Transfer - University of BabylonChapter Two: Steady-State Conduction-One Dimension Heat Source Systems Plane Wall with Heat Sources Boundary Conditions: General Solution

Chapter Two: Steady-State Conduction-One Dimension

Page 18: Heat and Mass Transfer - University of BabylonChapter Two: Steady-State Conduction-One Dimension Heat Source Systems Plane Wall with Heat Sources Boundary Conditions: General Solution

Chapter Two: Steady-State Conduction-One Dimension

Page 19: Heat and Mass Transfer - University of BabylonChapter Two: Steady-State Conduction-One Dimension Heat Source Systems Plane Wall with Heat Sources Boundary Conditions: General Solution

Chapter Two: Steady-State Conduction-One Dimension

Heat Source Systems

Plane Wall with Heat Sources

Boundary Conditions:

General Solution

Page 20: Heat and Mass Transfer - University of BabylonChapter Two: Steady-State Conduction-One Dimension Heat Source Systems Plane Wall with Heat Sources Boundary Conditions: General Solution

Chapter Two: Steady-State Conduction-One Dimension

Heat Source Systems

Plane Wall with Heat Sources

Page 21: Heat and Mass Transfer - University of BabylonChapter Two: Steady-State Conduction-One Dimension Heat Source Systems Plane Wall with Heat Sources Boundary Conditions: General Solution

Chapter Two: Steady-State Conduction-One Dimension

Heat Source Systems

Cylinder with Heat Sources

Boundary conditions:

General solution:

Page 22: Heat and Mass Transfer - University of BabylonChapter Two: Steady-State Conduction-One Dimension Heat Source Systems Plane Wall with Heat Sources Boundary Conditions: General Solution

Chapter Two: Steady-State Conduction-One Dimension

Heat Source Systems

Hollow Cylinder with Heat Sources

Page 23: Heat and Mass Transfer - University of BabylonChapter Two: Steady-State Conduction-One Dimension Heat Source Systems Plane Wall with Heat Sources Boundary Conditions: General Solution

Chapter Two: Steady-State Conduction-One Dimension


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1D STEADY STATE HEAT CONDUCTION (1) Boundary ConditionConvection Boundary Condition Heat conduction at the surface in a selected direction = Heat convection at the surface in

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Chapter 8: Steady Heat Conduction

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Num 3p1. Steady Heat Conduction

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STEADY HEAT CONDUCTION - K. N. Toosi University of …kntu.ac.ir/DorsaPax/userfiles/file/Mechanical/OstadFile/cen58933... · We start this chapter with one-dimensional steady heat

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ONE-DIMENSIONAL STEADY HEAT CONDUCTION IN A PLANE …10_32… · For one-dimensional steady heat conduction through the wall, we have T(x). Then Fourier’s law of heat conduction

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Computer Compatible Linear Heat Conduction … Compatible Linear Heat . Conduction Accessory. Instruction Manual. ... Rate equation to simple steady-state conduction in ... Heat Conduction

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ENCIT-2018-0763 STEADY STATE HEAT CONDUCTION …

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