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KAPIL CHOPRA,V. SAHNI,R. S. MISHRA 대한설비공학회 2014 International Journal Of Air-Conditioning and Refr Vol.22 No.1
In this paper, comparative thermodynamic analysis of system-1 (multiple evaporators and compressorswith individual expansion valves) and system-2 (multiple evaporators and compressorswith multiple expansion valves) has been presented which is based on energy and exergy principles. The comparison of systems-1 and -2 using ecofriendly R410A, R290, R1234YF, R502,R404A, R152A and R134A refrigerants was done in terms of COP (energetic effciency), exergeticeffciency and system defect. Numerical model has been developed for systems-1 and -2 for ¯ndingout irreversibility and it was observed that system-2 is better system in comparison with system-1for selected refrigerants. It was also found that R152a shows better performances than otherconsidered refrigerants for both systems.