Study guides, Class notes & Summaries

• Factors in the design of a distribution system • Components of an air distribution system • Air handling units • Frictional pressure losses in air ducts • Dynamic pressure losses in ducts • Design of the air conditioning ducts

Cooling load calculation • Sources of space heat gain • Cooling load calculation

• Psychrometric processes in air conditioning systems • Room sensible heat factor • Simple air conditioning system with 100% re-circulated air • Air conditioning system with 100% outdoor summer air conditioning • Air conditioning system that uses both indoor and outdoor air for ventilation

• Psychrometric processes and their representation on the psychrometric chart • Analysis of the simple and combined air conditioning processes on the psychrometric chart • Definition of Sensible Heat Factor, By-pass Factor and apparatus dew-point temperature of cooling coils

• The ideal gas relation • Moist and dry air • Gas total pressure and partial pressures • Moist air properties and their equations • The psychrometric chart • Moist air properties on the psychrometric chart

• Refrigerants and their properties • Ideal and actual refrigeration cycles through vapor compression • Coefficient of performance of a refrigeration machine • Absorption refrigeration systems and vapor compression systems

Learning outcomes: • Classification of refrigeration systems according to their refrigeration cycle and their equipment arrangement • Commercial and industrial refrigeration applications • Classification of air-conditioning systems according to their function, application and equipment arrangement • The energy management and conservation of a refrigerating and air-conditioning system • Refrigerants and their properties • Ideal and actual refrigeration cycles through vapor compressio...