Exergy analysis of refrigeration systems using an alternative refrigerant (hfo-1234yf) to R-134a

Arif Emre Özgür, Ahmet Kabul and Önder Kizilkan

International Journal of Low-Carbon Technologies, 2014, vol. 9, issue 1, 56-62

Abstract: In this study, analysis studies of the first and second law of thermodynamics are carried out for vapor compressed refrigeration systems using an alternative refrigerant HFO-1234yf to HFC-134a. No important differences between cycle efficiencies were observed for both refrigerants. However, the exergy destruction rate of the compressor obtained with HFO-1234yf is lower than that calculated for R-134a. According to the exergy and energy analysis results obtained with this study, it can be evaluated that HFO-1234yf is a good alternative to R-134a. If the safety requirements (flammability problem of the refrigerant) have been satisfied refrigeration systems charged with HFO-1234yf, this alternative refrigerant can be commonly used in the systems.

Date: 2014
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Persistent link: https://EconPapers.repec.org/RePEc:oup:ijlctc:v:9:y:2014:i:1:p:56-62.

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