The Enhancement of Performance Coefficient by Spraying Water on the Condenser of the Compression Cooling Cycle

Abstract

During hot and dry summer months in hot regions or deserts, compression refrigeration cycles that utilize modern, environmentally friendly refrigerants operate at high gas pressures, particularly when the ambient temperature exceeds 40°C. These systems will consume more energy in the summer, leading to a lower coefficient of performance (COP) compared to cooling systems that do not utilize this type of refrigerant gas. In this study, both theoretical and experimental analyses were undertaken to explore an effective solution for enhancing the performance of the cooling system. This involved reducing the air temperature before it enters the compression cooling cycle condenser by passing it through a water spray. The process of water evaporation absorbs the latent heat of evaporation from the air, consequently lowering its temperature. The air temperature drops by about 10 degrees Celsius below the ambient temperature before it enters the compression cooling condenser. This improvement increases the compression cooling capacity of the cycle by up to 19% and boosts the coefficient of performance (COP) by 18%. The proposed method of spraying water on the air inlet of the compression cooling cycle condenser improves its performance and increases its cooling capacity.