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Performance of heat pump systems operated with natural working fluids.

[In Japanese. / En japonais.]

Author(s) : HIHARA E.

Type of article: Article

Summary

In the study, cycle performances of propane, ammonia and carbon dioxide as a working fluid are calculated, and are compared with those of HCFC-22. A theoretical fundamental heat pump cycle and a fundamental cycle with secondary refrigerant are selected for comparison; a liquid-injection cycle for ammonia and an internal heat exchange cycle for carbon dioxide are also calculated. The effects of heat transfer characteristics and pressure drop in heat exchangers on heat pump performance are evaluated.

Details

  • Original title: [In Japanese. / En japonais.]
  • Record ID : 2001-1729
  • Languages: Japanese
  • Source: Transactions of the Japan Society of Refrigerating and Air Conditioning Engineers - vol. 17 - n. 1
  • Publication date: 2000
  • Document available for consultation in the library of the IIR headquarters only.

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