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Small, safe and efficient-low charge ammonia systems without pumps.

Author(s) : PEARSON S. F.

Summary

The author describes an ammonia refrigerating circuit in which the evaporator is overfed with expanded liquid using a distribution system; excess fluid is stored in a low-pressure receiver. The liquid in this receiver is used to subcool the condensed liquid leaving the condenser; this liquid then evaporates before being sucked into the compressor. The refrigerant charge required is low. Defrosting is easily performed by reversing the cycle.

Details

  • Original title: Small, safe and efficient-low charge ammonia systems without pumps.
  • Record ID : 1999-1517
  • Languages: English
  • Source: Cooling trends in an African context. The Frigair '98 International Refrigeration and Air Conditioning Conference.
  • Publication date: 1998/03/04
  • Document available for consultation in the library of the IIR headquarters only.

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