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Efficiency enhancement by subcooling the carbon dioxide process with water as refrigerant.

Number: pap. 2149

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

Summary

As a consequence of the F-Gas regulation, R404A is no longer an option for commercial refrigeration applications. Therefore, this paper focuses on natural refrigerants. There are a few options like carbon dioxide, which has an efficiency loss with increasing ambient temperatures. A promising option is subcooling of the carbon dioxide process with a chiller using water as the refrigerant. This will result in a new optimized high pressure of the carbon dioxide process depending on the ambient temperature. Finally the annual COP values of the standard transcritical and subcooled system will be discussed.

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Pages: 8

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Details

  • Original title: Efficiency enhancement by subcooling the carbon dioxide process with water as refrigerant.
  • Record ID : 30024417
  • Languages: English
  • Source: 2018 Purdue Conferences. 17th International Refrigeration and Air-Conditioning Conference at Purdue.
  • Publication date: 2018/07/09

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