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THE REVERSED STIRLING CYCLE: A COMPARISON OF THEORY AND TEST RESULTS.

Author(s) : LUNDQVIST P.

Summary

THE REVERSED STIRLING CYCLE IS A NEW ALTERNATIVE TO CONVENTIONAL CYCLES UTILIZING CFC-MEDIA. THIS PAPER SHOWS THAT A STIRLING HEAT PUMP OR REFRIGERATOR IS COMPETITIVE IF THE TEMPERATURE LIFT IS HIGHER THAN 70-80 DEG C. A PREVIOUS COMPUTER AIDED OPTIMIZATION HAS PREDICTED A HEATING COP OF APPROXIMATELY 2 FOR A HEAT SOURCE TEMPERATURE OF -15 DEG C AND A HEAT SINK OF 65 DEG C. THIS CORRESPONDS TO -25 AND 75 DEG C IN EVAPORATION AND CONDENSATION, RESPECTIVELY, OF A CONVENTIONAL CYCLE. THIS OPENS UP TO NEW APPLICATIONS FOR HEAT PUMPS IN HIGH TEMPERATURE SYSTEMS. ANOTHER POSSIBILITY IS TO USE THE HEAT FROM REFRIGERATION SYSTEMS FOR HOT WATER PRODUCTION WITHOUT DECREASING THE EFFICIENCY OF THE SYSTEM SUBSTANTIALLY.

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Pages: p. 561-566

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Details

  • Original title: THE REVERSED STIRLING CYCLE: A COMPARISON OF THEORY AND TEST RESULTS.
  • Record ID : 1992-2430
  • Languages: English
  • Source: New challenges in refrigeration. Proceedings of the XVIIIth International Congress of Refrigeration, August 10-17, 1991, Montreal, Quebec, Canada.
  • Publication date: 1991/08/10
  • Document available for consultation in the library of the IIR headquarters only.

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