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Influence of heat-exchanger size and augmentation on performance potential of mixtures in air-to-air heat pumps.

Author(s) : RICE C. K.

Summary

A modified Carnot analysis with finite heat exchanger (HX) sizes, counterflow HX configurations, and ideal glide matching was conducted for an air-to-air heat pump application. The purpose of the analysis was to determine potential HX size and refrigerant-side augmentation benefits for ideal mixtures, relative to pure refrigerant alternatives. Maximum possible COP gains for refrigerant mixtures were evaluated for four steady-state conditions. Performance improvement opportunities were found primarily in the cooling mode.

Details

  • Original title: Influence of heat-exchanger size and augmentation on performance potential of mixtures in air-to-air heat pumps.
  • Record ID : 1995-0499
  • Languages: English
  • Source: ASHRAE Transactions.
  • Publication date: 1993
  • Document available for consultation in the library of the IIR headquarters only.

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