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CO2 as refrigerant for systems in transcritical operation: principles and technology status. Part. 1.

Author(s) : NEKSÅ P.

Type of article: Article

Summary

This article outlines key developmental areas and results for CO2 systems, mainly focusing on projects where SINTEF/NTNU has been or is involved; but it also refers to the development of CO2 technology in general. Emphasis is also placed on systems operating or able to operate in a transcritical cycle. A brief introduction to the peculiarities of CO2 as a refrigerant is given, then the status and trends within selected areas of the technology are discussed, including heat pump water heaters, mobile air conditioning and heat pumps, commercial refrigeration, heat pumps for space conditioning and heat pump dryers. It is shown that CO2 is a viable alternative refrigerant for all these application areas. Some comments are also given regarding component development, mainly focusing on compressors and heat exchangers. Some concluding remarks are given on general trends and outlook for the next years.

Details

  • Original title: CO2 as refrigerant for systems in transcritical operation: principles and technology status. Part. 1.
  • Record ID : 2005-0587
  • Languages: English
  • Source: EcoLibrium - vol. 3 - n. 8
  • Publication date: 2004/09

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