Enhance The Performance Of Condenser By Using Evaporative Cooling Method For Split Type Air Conditioner

Ramakrishnan, Karthigeyan (2015) Enhance The Performance Of Condenser By Using Evaporative Cooling Method For Split Type Air Conditioner. Project Report. UTeM, Melaka, Malaysia. (Submitted)

Text (24 Pages) Enhance The Performance Of Condenser By Using Evaporative Cooling Method For Split Type Air Conditioner.pdf - Submitted Version Download (339kB)

Abstract

Split-type air conditioner is one of the commonly used appliances in residence, building, offices and hotels. This type of air conditioners divided into two parts which is condensing unit and fan coil unit. Condensing unit normally situated at the outside of the building whereas fan coil unit fixed in the conditioned space and both units connected through copper pipes. An air-cooled condenser is normally used in this type of air conditioner and the coefficient of performance of system using air-cooled condenser is depends on the temperature of ambient air. In hot environment, the coefficient of performance of the air conditioning system decreasing thus results increasing in electrical power consumptions. Minimizing of energy consumption is a major concern especially in the hot weather conditions. An evaporative cooling method can enhance the coefficient of performance of the system in hot ambient. The conventional condensing unit of split-type air conditioner retrofitted with evaporative cooling pad at the up stream of the condenser. A water pump is used to inject the water over the cooling pad to reduce the ambient air temperature when passes over the cooling pad and then passes over the condenser coil. Application of evaporative cooling system couple with air-cooled condenser can increase the coefficient of performance of the air conditioning system and the rate of COP improvement is increased as the ambient air temperature decreased. The result shows that by using evaporative cooling method, the COP of the air conditioner improved up to 20.4% and electrical current consumption reduced up to 10.2% at 34˚C ambient temperature. This evaporative cooling system considered as low cost, environmental friendly and energy efficient method to enhance the performance of air-cooled condenser of split-type air conditioner.

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