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Teaching Plan – MEC653 – HVAC SystemsMac 2014
Nazri [email protected] 03 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.
Tutorial 1Quiz 1
2(3 hrs)
Overview of Air-Conditioning Systems Overview of system alternatives and system design and
selections. Window, split, package units. Central AC system. District Cooling System, VAV vs CAV. Thermal Energy Storage.
HVAC Components and Distribution Systems. Air Handling Equipment, AHU and FCU. Pumps and Piping. Cooling Equipment. Air washers and cooling towers.
Tutorial 2
Quiz 2 (Chap 1 and 2)
3(4 hrs)
Atmospheric Air Properties and Air-Conditioning Processes. Atmospheric air properties. Pyschrometric chart. Air-conditioning processes.
Tutorial 3
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.
Quiz 3 (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, Solar radiation, solar geometry, solar heat gain. Ventilation and infiltrations. Details of load calculation by CLTD/CLF/SCL for
zones and building.
Tutorial 4
Test 1 (Chap 3 and 5)Mini Project 1.
6(6 hrs)
Energy Calculation and Building Simulation Overview of Radiant Time Series (RTS) method. BIN Method. Assignment 1 - HEED.
Building simulation – EnergyPlus and HEED softwares.
ASHRAE Standard 90.1
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.
Assignment 2 – Ducting Design
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
Quiz 4 (Chap 7 and 8)
9(6 hrs)
Refrigeration System Vapor Compression vs Absorption System. Vapor Compression Refrigeration System. VCR components and Thermo Cycle Refrigerants. Type of chillers (Reciprocating, Scroll, Screw and
Centrifugal). Range. Performance of Refrigeration Systems. Absorption Refrigeration Water-Ammonia absorption system Lithium Bromide-Water system.
Test 2 (Chap 7, 8 and 9)Mini Project 2. Final Presentation
Assessment
Course Work : 100 % 2 Assignments : 10 %4 Quizzes : 10 %2 Mini Design Projects : 10 % and 20 %Test #1 : 25 %Test #2 : 25 %
Final Examination : 0%Total : 100%
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
