THE POWER PLANT - CONDITIONING AND BUILDING VENTILATION
1- PURPOSE OF CONDITIONING & BUILDING VENTILATION SYSTEM l This system is commonly known as Heating, Ventilation & Air-conditioning (HVAC) System l HVAC system provides comfort for the human being. l HVAC system maintains the required inside temperature for different buildings, equipment, covering the entire power plant and associated auxiliaries / facilities. 2- WORKING PRINCIPLE OF HVAC SYSTEM l It acts on the principle of reversed Carnot cycle. l Vapour is compressed isentropically in a compressor from a low pressure and low temperature to a higher pressure and high temperature and is passed through a condenser in which it is condensed at constant pressure. l The fluid is then expanded isenthalpically to its original pressure and is finally evaporated at constant pressure in an evaporator. 3- DESIGN CONDITION FOR AIR CONDITIONED AREAS 4- AIR CONDITIONING SYSTEM l The Central Air Conditioning system maint...
