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Experimental analysis and numerical simulation of capillary tube-suction line heat exchangers using refrigerant HFC134a.

Author(s) : PEIXOTO R. A.

Summary

A simulation and design model and an experimental study of capillary tube-suction line heat exchangers with refrigerant R134a are presented. The governing equations of the model are detailed. The test loop built for the experiments uses a variable speed diaphragm pump instead of a compressor, in order to have the oil mixed with the refrigerant as another variable, and to allow the adequate control of the inlet pressure and temperature at the capillary tube, outlet pressure at the capillary tube, and inlet temperature at the suction line. The model is validated using experimental data obtained for R134a from the literature, and from the experimental tests performed. A good agreement is observed.

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Pages: 437-444

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Details

  • Original title: Experimental analysis and numerical simulation of capillary tube-suction line heat exchangers using refrigerant HFC134a.
  • Record ID : 1996-0876
  • Languages: English
  • Source: For a Better Quality of Life. 19th International Congress of Refrigeration.
  • Publication date: 1995/08/20
  • Document available for consultation in the library of the IIR headquarters only.

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