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Performance of a vapour compression heat pump system using a non-azeotropic refrigerant mixture.

[In Japanese. / En japonais.]

Author(s) : GOTO M., KANBE K., SAKAI T., INOUE N.

Type of article: Article

Summary

An experimental study of the performance of a vapour compression heat pump system using an R22 and R114 mixture of 20, 40, 60 and 100% by mass of R22 as a working fluid was carried out. Heat transfer characteristics of the condenser and the evaporator were also investigated. The condenser and the evaporator were counter flow heat exchangers with a smooth copper tube. The results indicate that the COP for the mixtures are about 45% higher than that of pure R22 in the range of R114 mass fraction from 0.6 to 0.8, and the effect of the composition of mixtures on COP is well in agreement with that obtained from the thermodynamic cycle analysis. Overall heat transfer coefficient of mixtures decreases with increasing R114 mass fraction of the mixture, and the empirical correlation for the effect of the composition of the mixture on condensation heat transfer is obtained.

Details

  • Original title: [In Japanese. / En japonais.]
  • Record ID : 1994-1775
  • Languages: Japanese
  • Source: Trans. JAR - vol. 10 - n. 2
  • Publication date: 1993
  • Document available for consultation in the library of the IIR headquarters only.

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