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Experimental Optimization of Cascade Vapor Compression Refrigeration System

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Experimental Optimization of Cascade Vapor Compression Refrigeration System
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    초록·키워드

    Experimental investigation of cascade vapor compression cycle performance has been carried out to study the optimal operational condition of two-stage cascade vapor compression cycle. For this purpose, R22 and R23 are utilized in high stage and low stage cycle respectively. The main variables investigated on this paper are pressure ratio of compressor, evaporation temperature, and compressor power, including electrical power consumption by two compressor, refrigerant capacity and performance coefficient of the system (COP). The test was conducted by varying water inlet temperature of cascade condenser from 10~34℃ and evaporation temperature at expansion valve outlet from 1~2.4 bar. The main results shows that, when evaporating temperature was increased, (COP) of system will also increases, meanwhile, when water inlet is 25℃, COP of the system shows the optimum performance

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      UCI(KEPA) : I410-ECN-0101-2009-550-016800079