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Recent developments to extend the use of ammonia.

Author(s) : TIEDEMANN T., BURKE M., KRUSE H.

Summary

While ammonia has been the dominant refrigerant in industrial refrigeration plants, it could not compete with CFC-HFC-systems in applications of small and medium capacities. This situation is presently changing due to new developments in semihermetic compressors, soluble oils enabling an automatic oil return, and the use of aluminium for tubing with new soldering materials. A test rig incorporating all these new developments has been built up. In the paper experimental results regarding the semihermetic compressor, the oil return using dry-expansion evaporation with plate heat exchangers, and soluble oils will be shown. Experiences in using aluminium as piping material with new solders are discussed.

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Pages: 389-395

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Details

  • Original title: Recent developments to extend the use of ammonia.
  • Record ID : 1997-0080
  • Languages: English
  • Source: Proceedings of the 1996 Purdue International Refrigeration Conference.
  • Publication date: 1996/07/23

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