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

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  • Arif Emre Özgür
  • Ahmet Kabul
  • Önder Kizilkan

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.

Suggested Citation

  • Arif Emre Özgür & Ahmet Kabul & Önder Kizilkan, 2014. "Exergy analysis of refrigeration systems using an alternative refrigerant (hfo-1234yf) to R-134a," International Journal of Low-Carbon Technologies, Oxford University Press, vol. 9(1), pages 56-62.
    • Handle: RePEc:oup:ijlctc:v:9:y:2014:i:1:p:56-62.
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    File URL: http://hdl.handle.net/10.1093/ijlct/cts054
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    Cited by:

    1. Mota-Babiloni, Adrián & Belman-Flores, J.M. & Makhnatch, Pavel & Navarro-Esbrí, Joaquín & Barroso-Maldonado, J.M., 2018. "Experimental exergy analysis of R513A to replace R134a in a small capacity refrigeration system," Energy, Elsevier, vol. 162(C), pages 99-110.

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