Refrigeration (6 hours)
1.1 Introduction to refrigeration and common usage it today.
1.2 Reversed-Carnot cycle and actual vapor-compression systems
1.3 Refrigeration load
1.4 Introduction to
1.4.1 Multi pressure systems
1.4.2 Gas Liquefaction Process
1.4.3 Absorption refrigeration system
1.5 Introduction to refrigeration system components, types and functional description of components
1.5.1 Compressors
1.5.2 Condensers
1.5.3 Expansion devices
1.5.4 Evaporator
1.5.5 Heat Exchangers
1.6 Common properties and groupings of commercial refrigerants


Psychrometry of Air-conditioning Processes (8 hours)
2.1 Introduction to Air Conditioning Comfort and work productivity
2.2 Differences between human comfort and process control air conditioning.
2.3 Properties of Moist Air.
2.4 Determination of Psychrometric Properties.
2.5 Usage of Psychrometric Chart to determine common properties of air.
2.6 Solving Psychrometric processes in relation to air-conditioning.
2.7 Solving Psychrometry of air related to cooling tower operation.


Air-Conditioning System and Equipment (4 hours)
3.1 Factors influencing choice of equipment
3.1.1 Load changes
3.1.2 Zoning requirement
3.1.3 Space availability
3.1.4 costs
3.2 General Classification of Air Conditioning Systems
3.2.1 Unitary vs central system
3.2.2 Cooling medium : air vs water
3.2.3 Single zone vs multiple zones
3.2.4 Features of packaged system and centralized system
3.3 Types of Air Conditioning System
3.3.1 Direct Expansion
3.3.1.1 Air Cooled
3.3.1.2 Water Cooled
3.3.1.3 Indoor unit types: wall mounted, ceiling mounted, cassette type, Fan Coil Unit, Floor standing
3.3.2 Chilled Water System
3.3.2.1 Air Cooled Chiller
3.3.2.2 Water Cooled Chiller
3.4 Chiller system details: compressor, condenser, expander, evaporator(chiller)
3.5 Brief introduction to Building Automation System (BAS)


Cooling Load Estimation (4 hours)
4.1 Principles and modes of heat transfer
4.2 Sensible and latent heat units in British Thermal Units(BTU)
4.3 The need for accurate cooling load estimate
4.4 Cooling load components
4.4.1 External Sources
4.4.2 Internal Sources
4.4.3 Factors influencing building cooling load: orientation, size of space, type of usage and acivities, construction materials, glass windows positions etc
4.5 Simple building heat load calculations based on common standards.


Air Distribution System (4 hours)
5.1 Acceptable conditioned air distribution
5.1.1 Air flow features
5.1.2 Temperature distribution in mixing zone and comfort zone
5.2 Types of ducting system and Components in ducting system
5.3 Room air diffusers and grilles.
5.4 Determination of required air quantity(CFM) based on Room Cooling Load
5.5 Conditions for good air distributions
5.6 Losses in duct system
5.7 Simple air ducting calculations based on equal friction methods.

Q1 : Who are recommended to enroll this course?
A1 : All engineering students, especially for Mechanical Engineering students.