Teaching Plan – MEC653 – HVAC SystemsSeptember 2013

Nazri Mohamadnazarwahidi@yahoo.com03 5543 6263

Course OutcomeCO1 Confidently explain Heating, Ventilation and Air-Conditioning (HVAC) and

Refrigeration systems and their components. [PO1, LO1]{C2}CO2 Analyze HVAC and refrigeration systems and their components. [PO2, LO3, SS1]

{C4}CO3 Conceptually design a HVAC and refrigeration systems and perform all relevant

design analysis and component selections. [PO3, LO2]{C5}CO4 Present design projects in a professional manner. [PO9, LO4, SS2]{A2}CO5 Work in a group as a team member. [PO10, LO5, SS3]{A5}

Chapter Topics Assignment / Assessment

1(3 hrs)

Introduction and Review of Related Topics in Fluid Mechanics and Thermodynamics. Common Units and Dimensions Fundamental Concepts from Fluid Mechanics,

Thermodynamics and Heat Transfer.

Text page 20. Problems 18, 19 and 20.Tutorial 1

2(3 hrs)

Overview of Air-Conditioning Systems Overview of system alternatives and system design

and selections. HVAC Components and Distribution Systems. Air Handling Equipment, AHU and FCU. Pumps and Piping. Cooling Equipment. Air washers and cooling

towers.

Tutorial 2Assessment- Quiz 1 (Chap 1 and 2)

3(4 hrs)

Atmospheric Air Properties and Air-Conditioning Processes. Atmospheric air properties. Pyschrometric chart. Air-conditioning processes.

Assessment

4(3 hrs)

Indoor Environmental Quality Comfort Conditions – ASHRAE Standard 55.

Thermal comfort indices. ASHRAE comfort chart. Indoor Air Quality (IAQ) concerns – ASHRAE

Standard 62. Outdoor air ventilation requirement Common Contaminants and Control Techniques.

Assessment - Quiz 2 (Chap 3 and 4)

5(9 hrs)

Cooling Loads Calculations Overview of HVAC design conditions and loads. Heat transfer in building walls, panels and

fenestrations,

Assessment- Quiz 3 (Chap 5)- Assignment 1.

Solar radiation, solar geometry, solar heat gain. Ventilation and infiltrations. Details of load calculation by CLTD/CLF/SCL for

zones and building.

- Test 1 (Chap 3, 4 and 5)

- Mini Project 1.

6(6 hrs)

Energy Calculation and Building Simulation Overview of Radiant Time Series (RTS) method. BIN Method. Building simulation – EnergyPlus and HEED

softwares. ASHRAE Standard 90.1

Assessment- Quiz 4 (Chap 6)- Assignment 2.

7(4 hrs)

Fans and Duct Design Fan relations. Fan performance, system relations and selection. Fan installation. Variable Air Volume systems. Analysis of air flow in ducting system.

8(4 hrs)

Pump Selection and Piping System Design. Piping system fundamentals and characteristics. Centrifugal pump and performance curve. Pump selection, operating point and pumping

efficiencies. System design

Assessment- Quiz 5 (Chap 7 and 8)- Assignment 3 (Chp 7 and

8).

9(6 hrs)

Refrigeration System Performance of Refrigeration Systems. Vapor Compression Refrigeration System. Refrigerants Cascade refrigeration system. Refrigeration equipment components. Type of Compressors. Performance analysis. Absorption Refrigeration Water-Ammonia absorption system Lithium Bromide-Water system.

Assessment- Assignment 4.- Test 2 (Chap 7, 8 and 9).

- Mini Project 2.

Assessment

Course Work : 100 % 4 Assignments : 10 %5 Quizzes : 10 %2 Mini Design Projects : 30 %Test #1 : 25 %Test #2 : 25 %

Final Examination : 0%Total : 100%

GRADING SCHEME (M3)

MARK GRADE GRADE POINT STATUS

90 – 100 A+ 4.00 PASS

80 – 89 A 4.00 PASS

75 – 79 A- 3.67 PASS

70 – 74 B+ 3.33 PASS

65 – 69 B 3.00 PASS

60 – 64 B- 2.67 PASS

55 – 59 C+ 2.33 PASS

50 – 54 C 2.00 PASS

47 – 49 C- 1.67 FAIL

44 – 46 D+ 1.33 FAIL

40 – 43 D 1.00 FAIL

30 – 39 E 0.67 FAIL

0 – 29 F 0.00 FAIL

Recommended TextbookMcQuiston F. C., Parker J. D., Spitler, J. D., “Heating, Ventilating and Air Conditioning”, Latest Edition, John Wiley & Sons, Inc.

References 1. Harry J. Sauer, Ronald H. Howell, and William J. Coad, Principles of Heating,

Ventilating, and Air Conditioning, ASHRAE, Current Ed.2. ASHRAE 1997Fundamental Handbook3. ASHRAE Standard 554. ASHRAE Standard 90.15. ASHRAE Standard 62