부산대학교 도서관

Evaporative coolers are an excellent alternative to air conditioning (A/C) systems for dry climates. Contrary to A/C removing moisture from the air, evaporative coolers lower temperatures by the latent heat of evaporation and increasing air moisture. Warm air energy is used in evaporative cooling to evaporate water, resulting in cooler temperatures. There are three types of evaporative coolers: direct, indirect, and hybrid systems. This paper focuses on direct evaporative cooling (DEC). The efficiency, cooling capacity, consumption of water, and volume capacity of DECs can be calculated by measuring inlet and outlet temperatures and relative humidities. To support the theory and measure these attributes, a simple in-house DEC cooler was built and tested. Ultimately, even though not as efficient as commercial coolers, this evaporative cooler decreased the temperature and increased the relative humidity of the ambient air. [ABSTRACT FROM AUTHOR]