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EVAPORATION OF R22 IN A STRAIGHT HORIZONTAL TUBE FOLLOWING A U-SHAPED CONNECTOR.

Author(s) : OUAZIA B., MARVILLET C., FEIDT M.

Summary

. FINNED-BATTERY > TYPE REFRIGERANT EVAPORATORS GENERALLY CONSIST OF A SERIES OF STRAIGHT TUBES LINKED BY U-SHAPED CONNECTORS. THE INFLUENCE OF THE CONNECTORS IS GENERALLY IGNORED WHEN CALCULATING THE EVAPORATOR PERFORMANCE. THIS ARTICLE REPORTS ON A DETAILED STUDY OF HEAT TRANSFERS IN U-SHAPED CONNECTORS. THE RESULTS OBTAINED SHOW A STRONG HETEROGENEITY IN THE COEFFICIENTS IN THE U-SHAPED CONNECTORS AND IN THE STRAIGHT HORIZONTAL SECTION. A COMPARISON IS MADE WITH THE AVERAGE HEAT TRANSFER COEFFICIENTS, ON THE BASIS OF THE EXISTING CONVENTIONAL CORRELATIONS.

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Pages: 434-438

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Details

  • Original title: EVAPORATION OF R22 IN A STRAIGHT HORIZONTAL TUBE FOLLOWING A U-SHAPED CONNECTOR.
  • Record ID : 1992-1575
  • Languages: English
  • Source: New challenges in refrigeration. Proceedings of the XVIIIth International Congress of Refrigeration, August 10-17, 1991, Montreal, Quebec, Canada.
  • Publication date: 1991/08/10
  • Document available for consultation in the library of the IIR headquarters only.

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