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Performances des cycles utilisant le mélange HFC-161 + HFC-134a pour remplacer le HFC-134a dans les systèmes de conditionnement d'air automobiles.

Cycle performances of the mixture HFC-161 + HFC-134a as the substitution of HFC-134a in automotive air conditioning systems.

Auteurs : HAN X. H., LI P., XU Y. J., et al.

Type d'article : Article, Article de la RIF

Résumé

In this paper, the mixture of R161/R134a (0.6/0.4 in mass fraction), named ‘M5’, is proposed as a substitution of R134a used in automotive air conditioning systems. The theoretical and experimental cycle performances for M5 and R134a were conducted at the condensation temperature from 50°C-65°C, evaporation temperature from -5 °C–10°C. Theoretical results show that COP of M5 is very close to that of R134a, the specific refrigeration capacity and volumetric refrigeration capacity of M5 are much higher than those of R134a. Experimental results show that COP of M5 is a bit higher than that of R134a, the refrigeration capacity and compressor power of M5 are about 32% and 30% higher than those of R134a, respectively, the compressor discharge temperature and pressure ratio of M5 are about 15% higher and 10.9% lower than those of R134a, respectively. Considering the good performance and compatibility with the existing system, M5 is a potential alternative refrigerant for R134a.

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Format PDF

Pages : 913-920

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  • Prix public

    20 €

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    Gratuit

* meilleur tarif applicable selon le type d'adhésion (voir le détail des avantages des adhésions individuelles et collectives)

Détails

  • Titre original : Cycle performances of the mixture HFC-161 + HFC-134a as the substitution of HFC-134a in automotive air conditioning systems.
  • Identifiant de la fiche : 30007923
  • Langues : Anglais
  • Sujet : Alternatives aux HFC
  • Source : International Journal of Refrigeration - Revue Internationale du Froid - vol. 36 - n. 3
  • Date d'édition : 05/2013

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