Experimental Study on a Novel Evaporative Cooling System Using Ejector and Membrane Dehumidification Module
A novel evaporative cooling system, which uses an ejector for refrigeration, integrated with a membrane dehumidification module has been studied. In the system investigated, where ultrasonic nebulizers are utilized to pulverize water into droplets for evaporation. The cooling effect influenced by the intensity of ultrasonic automization has been experimentally studied. The prototype of the membrane module is made and several experiments are conducted to evaluate its effect on the system. It is found that, in a permanent inlet air condition, the temperature drop would increase as intensity of ultrasonic grows. Cooling effect of the ejector is better in dry ambient condition compared to moist one. When in the humid environment, the membrane module would increase the system refrigeration capacity by 80%.