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Exergy analysis of R1234yf and R1234ze as R134a replacements in a two evaporator vapour compression refrigeration system.

Author(s) : YATAGANBABA A., KILICARSLAN A., KURTBAS I.

Type of article: Article, IJR article

Summary

Exergy analysis is a useful way for determining the real thermodynamic losses and optimising environmental and economic performance in the systems such as vapour compression refrigeration systems. The present study deals with the exergy analysis on a two evaporator vapour compression refrigeration system using R1234yf, R1234ze and R134a as refrigerants. In the calculation of losses occurring in different system components, besides the exergy efficiency of the refrigeration cycle, a computer code was developed by using Engineering Equation Solver (EES-V9.172-3D) software package program. The effects of the evaporator and condenser temperatures on the exergy destruction and exergy efficiency of the system were investigated. R1234yf and R1234ze, which are good alternatives to R134a concerning their environmentally friendly properties and this is the most significant finding emerging from this study.

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Pages: 26-37

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Details

  • Original title: Exergy analysis of R1234yf and R1234ze as R134a replacements in a two evaporator vapour compression refrigeration system.
  • Record ID : 30016317
  • Languages: English
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 60
  • Publication date: 2015/12

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