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Glide matching with binary and ternary zeotropic refrigerant mixtures. 1. An experimental study.

Author(s) : MULROY W. J., DOMANSKI P. A., DIDION D. A.

Type of article: Article, IJR article

Summary

The refrigeration cycle's COP can be improved when temperature profiles of the refrigerant mixture and the heat transfer fluid are matched. For the same temperature lift, the benefit of glide matching increases as the application glide increases. High-glide binary mixtures composed of components far apart in boiling points tend to have a non-linear relationship between temperature and enthalpy in the two-phase region. The introduction of an intermediate boiler as a third component can linearize this relationship and, theoretically increase the cycle COP when heat-source and heat-sink fluids are substantially linear (e.g. water, brines, dry air). Research was done on exemplifying this characteristic of ternary mixtures by experimental evaluation of the performance of an R23-R142b binary mixture and an R23-R22-R142b ternary mixture in a generic laboratory breadboard refrigeration system.

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Pages: 220-225

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Details

  • Original title: Glide matching with binary and ternary zeotropic refrigerant mixtures. 1. An experimental study.
  • Record ID : 1995-0743
  • Languages: English
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 17 - n. 4
  • Publication date: 1994/05

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