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Direct evaporation in refrigeration systems with water as refrigerant.

Author(s) : ALBRING P., BURANDT B., HEINRICH G.

Summary

Direct evaporation in refrigeration systems using water is characterised by the fact that a mixture of refrigerant and cooling medium is injected into the evaporator. This mixture of refrigerant and cooling medium can be expanded either: 1) into the liquid (cooling medium); or 2) into the vapour space. The paper will consider the second alternative. The process characteristics of refrigerant and outer mass flows is explained by way of the lg p-h-diagram. The aim of the development of such direct evaporators is to minimise the temperature difference between the cooling medium outlet temperature and the saturation temperature at droplet-free vapour flow into the compressor. Test results will be presented.

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Details

  • Original title: Direct evaporation in refrigeration systems with water as refrigerant.
  • Record ID : 2000-1301
  • Languages: English
  • Source: 20th International Congress of Refrigeration: Refrigeration into the Third Millennium.
  • Publication date: 1999/09/19

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