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IIR document

The potential of water as a refrigerant - past, present and future approaches.

Number: pap. n. 474

Author(s) : HANSLIK F., SUESS J., KOEHLER J.

Summary

The paper starts with an overview of past options where water (R718) was used as a refrigerant and introduces various applications focusing on ad- and absorption technologies but mainly on compression systems. In the second part of the paper a low capacity centrifugal compressor system based on using water as refrigerant is introduced. The working principle of the machine with a number of various energy efficient operational modes gets explained and the machines performance under these conditions is discussed. Finally, favorable applications get specified resulting in energy savings up to 80% compared to state of the art technologies. These findings are confirmed by long term field test data, as machines are already in operation in various sites since many years. Finally, an outlook is given, where water as a refrigerant can expect a promising future contributing to reduce the global warming impact of the refrigeration industry.

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Pages: 8

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Details

  • Original title: The potential of water as a refrigerant - past, present and future approaches.
  • Record ID : 30026420
  • Languages: English
  • Source: Proceedings of the 25th IIR International Congress of Refrigeration: Montréal , Canada, August 24-30, 2019.
  • Publication date: 2019/08/24
  • DOI: http://dx.doi.org/10.18462/iir.icr.2019.0474

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