Volume 25, Issue 1 (7-2006)
2006, 25(1): 135-147 |
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Ebrahim Hajidavalloo. Evaluation of Evaporative Cooling for Heat Transfer in the Condenser of Window-Air Conditioners. Journal of Advanced Materials in Engineering (Esteghlal) 2006; 25 (1) :135-147
URL: http://jame.iut.ac.ir/article-1-380-en.html
URL: http://jame.iut.ac.ir/article-1-380-en.html
Abstract: (6304 Views)
There is a demand for reduced power consumption in the vapor compression refrigeration cycle. Coefficient of performance of window-air conditioners considerably decreases and power consumption increases under very hot conditions. These problems have encouragecl studies aimed at improving the performance of window-air-conditioners by enhancing the heat transfer rate in the condenser. In this article, a new design for application of evaporative cooling in the condenser of
window-air conditioners is introduced and experimentally investigated. In this design, two pads equipped with a water injection system are located on both sides of the air-conditioner to cool down the air flow passing over the condenser. The experimental results showed that thermodynamic characteristics of the system considerably improved while power consumption decreased by about 15% and the coefficient of performance increased by about 55%.
Keywords: Window-air conditioner, Evaporative cooling, Coefficient of performance, Water injection, Energy reduction
