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Is there a relationship between the ideal Carnot cycle and the actual vapour compression cycle?

Author(s) : RIFFE D. R.

Summary

It is normally assumed that the reversed Carnot cycle represents the best refrigeration system of any conceivable engine or refrigeration system operating between an upper and a lower temperature limit. It will be shown that it may be theoretically possible that there could be refrigeration systems that are better than this ideal reversed Carnot cycle as this reversed Carnot cycle is normally defined. This conclusion is reached as a result of an examination of the Carnot cycle itself, and an examination of pressure-enthalpy diagrams of hypothetical but theoretically possible refrigerants supports this conclusion. Before attempting to draw similar conclusions in regard to engines with the ideal Carnot cycle, it should be borne in mind that in the case of refrigeration it is desirable for the work to be a minimum but in the case of engines it is desirable for the work to be a maximum.

Details

  • Original title: Is there a relationship between the ideal Carnot cycle and the actual vapour compression cycle?
  • Record ID : 1995-0707
  • Languages: English
  • Source: Proceedings of the 1994 International Refrigeration Conference at Purdue.
  • Publication date: 1994/07/19
  • Document available for consultation in the library of the IIR headquarters only.

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