Summary
The working domains of a model of a compression heat pump using different fluids and a model of a compression-absorption heat pump using water-ammonia mixtures are defined, plotted and discussed. These domains are defined by means of limiting values for their electrical COP, volumetric heating capacity, and low and high pressure. In the case studied in the paper, the disappearance from use of CFC and HCFC fluids leaves only one alternative for the implementation of high temperature electric heat pumps: absorption devices. Problems relating to the implementation of these systems are also mentioned.
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Pages: 308-318
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Details
- Original title: Comparison of the working domains of some compression heat pumps and a compression-absorption heat pump.
- Record ID : 1998-1911
- Languages: English
- Subject: HFCs alternatives
- Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 20 - n. 5
- Publication date: 1997/08
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Indexing
- Themes: Heat pumps techniques
- Keywords: Comparison; Ammonia-water; Absorption system; Compression system; Heat pump; Mixed system; HFC
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Coabsorbent cycle technology for ammonia-water ...
- Author(s) : STAICOVICI M. D.
- Date : 2007/04/19
- Languages : English
- Source: Ammonia Refrigeration Technology for Today and Tomorrow.
- Formats : PDF
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The compression-absorption heat pump cycle - co...
- Author(s) : HULTÉN M., BERNTSSON T.
- Date : 2002/06
- Languages : English
- Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 25 - n. 4
- Formats : PDF
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COMPRESSION-ABSORPTION HEAT PUMPS.
- Author(s) : AHLBY L., HODGETT D. L.
- Date : 1990/03/12
- Languages : English
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Use of ammonia-water mixture in modern refriger...
- Author(s) : MOROZÛK L. I., MOROZÛK T. V.
- Date : 2000
- Languages : Russian
- Source: Vestnik Mezdunarodarnoj Akademii Holoda - n. 2
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Thermodynamic analysis of a wet compression hyb...
- Author(s) : ITARD L. C. M., MACHIELSEN C. H. M.
- Date : 1992/09/07
- Languages : English
- Source: Proposals for the generation and use of refrigeration in the 21st century.
- Formats : PDF
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