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Exergoeconomic performance comparison of R1234yf as a drop-in replacement for R134a in a domestic refrigerator.

Author(s) : RANGEL-HERNANDEZ V. H., BELMAN-FLORES J. M., RODRIGEZ-VALDERRAMA D. A., et al.

Type of article: Article, IJR article

Summary

The replacement of refrigerants in domestic refrigerators is nowadays one of the approaches used to enhance the performance and environmental impact of these systems. Theoretical and experimental research, mainly focused on energy or exergy analysis, is currently found in the literature, but only a few studies are focused on exergoeconomic approaches. Therefore, in order to include the overall costs of a domestic refrigerator, an exergoeconomic cost analysis is applied to an experimental installation. Exergoeconomic parameters such as the unit exergy cost (cp) and the exergoeconomic factor (f) are used as a comparative indicator of performance. Based on the unit exergy cost, the results show that R134a performs better than R1234yf at different operating conditions. The exergoeconomic factor presents higher values for R134a than for R1234yf, which implies less exergy destruction in the system. The optimization allows reducing the cost of the produced cold by 9.8% when using R134a and by 6.5% when using R1234yf.

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Pages: 113-123

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Details

  • Original title: Exergoeconomic performance comparison of R1234yf as a drop-in replacement for R134a in a domestic refrigerator.
  • Record ID : 30025606
  • Languages: English
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 100
  • Publication date: 2019/04
  • DOI: http://dx.doi.org/10.1016/j.ijrefrig.2019.01.016

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