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The impact of mixed non-azeotropic working fluids on refrigeration system performance.

Author(s) : SWINNEY J., JONES W. E., WILSON J. A.

Type of article: Article, IJR article

Summary

The use of non-azeotropic mixed refrigerants is becoming of greater interest due to the phase-out of CFCs, and the lack of suitable environment-friendly pure alternatives. Refrigeration systems may use either pool- or flow-boiling evaporators. Whilst the use of mixtures in flow-boiling systems has been the subject of a significant amount of research, little attention has been paid to pool-boiling systems. The article considers this issue, and identifies a reduction in efficiency that occurs as a result of using mixtures in place of pure fluids. The cause of this problem is examined, and a number of alternative system configurations are evaluated. It is concluded that, in pool-boiling cycle, a mixed refrigerant will always result in a poorer efficiency than is obtainable with a pure fluid.

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Format PDF

Pages: 607-616

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Details

  • Original title: The impact of mixed non-azeotropic working fluids on refrigeration system performance.
  • Record ID : 1999-0718
  • Languages: English
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 21 - n. 8
  • Publication date: 1998/12

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