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Blends with HFOs as alternative to R-600a. Theoretical and experimental evaluation for domestic appliances.

Number: 1031

Author(s) : CALLEJA-ANTA D., NEBOT-ANDRÉS L., FOSSI C., SÁNCHEZ D., CABELLO R., LLOPIS R.

Summary

Different worldwide regulations limiting the use of high GWP refrigerants have forced the refrigeration industry to reinvent itself in recent years and look for new low-GWP refrigerants that can meet today's energy requirements. In Europe, from 2015, EU Regulation No. 517/2014 limits the use of refrigerants that can be used in domestic refrigeration to those with a GWP below 150. Isobutane (R-600a) has become the most widely used refrigerant in Europe in domestic appliances, due to its low-GWP of 3 and its great energy performance. However, literature suggests that there may be refrigerant mixtures that can improve the energy performance of this refrigerant. This paper presents the results of a thermodynamic screening, on which the refrigerants R-290, R-600a, R- 600, R-1270, R-152a, R-32, R-1234yf, R-1234ze(E), R-1233zd, R-134a and CO2 were considered to form the mixtures. It also presents the experimental results in a domestic fridge and freezer of the most promising obtained mixtures.

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Pages: 8

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Details

  • Original title: Blends with HFOs as alternative to R-600a. Theoretical and experimental evaluation for domestic appliances.
  • Record ID : 30028798
  • Languages: French
  • Subject: Technology
  • Source: 2nd IIR Conference on HFO Refrigerants and Low GWP Blends
  • Publication date: 2021/06
  • DOI: http://dx.doi.org/10.18462/iir.HFO.2021.1031
  • Document available for consultation in the library of the IIR headquarters only.

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