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Évaluation expérimentale de mélanges de frigorigènes naturels comme substituts du R-600a dans un réfrigérateur et un congélateur domestiques.

Experimental evaluation of natural refrigerant blends as substitutes for R-600a in a domestic fridge and freezer.

Numéro : 1083

Auteurs : CALLEJA-ANTA D., SÁNCHEZ D., CABELLO R., NEBOT-ANDRÉS L., LLOPIS R.

Résumé

Under the domestic appliance category, the domestic refrigeration sub-sector is the major component, being in service more than two billion of refrigerators and freezers. Its global electricity consumption is estimated to be almost 4% and it is expected to grow in the following years. In the last decade, R-600a has been the refrigerant which the majority of these systems rely in (75% expected in 2020), as none of the other new refrigerants has matured enough to be energy-efficient and cost competitive alternative. Nevertheless, there are evidences that suggest that some refrigerants blends can enhance the energy efficiency of the R-600a. In this paper, the experimental results obtained in a domestic fridge and freezer working the blends R-600/R-290 and R-600/R-1270 as substitutes for R-600a are presented. The components and proportions of the tested mixtures are selected from a previous thermodynamic screening, where 55440 of refrigerants blends were evaluated and optimized in base of COP, VCC, glide and discharge temperature.

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Experimental evaluation of natural refrigerant blends as substitutes for R-600a in a domestic fridge and freezer

Pages : 6

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Détails

  • Titre original : Experimental evaluation of natural refrigerant blends as substitutes for R-600a in a domestic fridge and freezer.
  • Identifiant de la fiche : 30027985
  • Langues : Anglais
  • Sujet : Alternatives aux HFC
  • Source : 14th IIR-Gustav Lorentzen Conference on Natural Refrigerants (GL2020). Proceedings. Kyoto, Japon, December 7-9th 2020.
  • Date d'édition : 07/12/2020
  • DOI : http://dx.doi.org/10.18462/iir.gl.2020.1083

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