Abstract
This paper describes the outcome of an experimental study on indirect evaporative cooler (IEC) working on the Maisotsenko cycle (M-cycle). This study has been carried out on a mixed-flow configuration of heat and mass exchanger (HMX). The cooling performances such as dew point effectiveness (DPE), wet bulb effectiveness (WBE), and the coefficient of performance (COP) of the system have been evaluated at different inlet air temperatures (20 to 35°C), mass flow rates (0.3 to 0.75 kg/s), relative humidity (35 to 80%) and the extraction ratio (0.1 to 0.6). The results of the present experimental study show that the WBE increased by 14:42% when the inlet air has 15◦C excess temperature at 35%RH. A higher DPE and the WBE have been observed at lower mass flow rates. The better cooling and higher coefficient of performance are obtained at an extraction ratio of 0.3. Further, a comparison of the obtained results with the literature has been presented. It shows that the mixed flow system employed in the present study is reasonably efficient than the configurations reported in the literature.
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