A REVIEW ON PERFORMANCE OF EVAPORATIVE COOLONG SYSTEM

Mechanical Engineering

The standard of living is continuously improving in all climatic areas of the world causing higher energy demands especially in building sector. An alternate type of cooling, which does not use hydro-chlorofluorocarbons (HCFs), chlorofluorocarbons (CFCs) and consumes much less energy is highly desirable. The evaporative cooling may be considered as one of such eco-friendly methods of achieving confortable conditions in building sector. An evaporative cooling system is a system that cools air through the evaporation of water. It is different from typical air conditioning systems, which use vapor-compression or absorption refrigeration cycles. Evaporative cooling uses the fact that water will absorb a relatively large amount of heat in order to evaporate. The temperature of dry air can be dropped significantly through the phase transition of liquid water to water vapor. In extremely dry climates, evaporative cooling of air has the added benefit of conditioning the air with more moisture for the comfort of building occupants.

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