Fundamentals - Air properties, psychometry, basic processes, and summer and
winter air conditioning.
Comfort - Concept of human comfort and thermal response, comfort factors and
environmental indices, IAQ.
Equipment analysis and selection - Filter, fan, Air washer, cooling tower and
cooling and dehumidifying coil.
Load estimation - Heat and mass Transfer in wall, insulation, vapour barrier, and
cooling and heating load calculations.
Air distribution - Air flow in duct, duct sizing and space air diffusion.
Ventilation - methods, applications in industries, exhaust systems and design.
Topics and contents
Number of Lectures
Introduction - Purpose, applications, definition and components of air conditioning - Need
and methods of ventilation - Course outline.
Psychrometry - Evolution of air properties and psychrometric chart - Basic processes such
as sensible heating/cooling, humidification/dehumidification and their combinations, steam
and adiabatic humidification, adiabatic mixing, etc. - Bypass factor and Sensible heat ratio.
Summer and Winter AC - Simple summer AC process, Room sensible heat factor, Coil
sensible heat factor, ADP - Precision AC - Winter AC.
Human Comfort - Heat transfer from body, convection, radiation, conduction, evaporation,
clothing resistance, activity level - Concept of human comfort - Thermal response - comfort
factors - Environmental indices - Indoor air quality.
AC Equipments - Filters, types, efficiency - Fans basic equations, parallel and series
configurations - Air washer, adiabatic, heated and cooled - Cooling tower, enthalpy
potential, types, tower efficiency, NTU and characteristics, sizing and off design performance
- Cooling and dehumidifying coil, dry and wet, sizing, performance.
Heat Transfer - Heat transfer in wall and roof, sol-air temperature, insulation, cooling load
temperature difference - Fenestration, types of glass, sun shade, shading coefficient,
maximum radiation, cooling load factor.