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Investigation on the gas-liquid two-phase flow characteristics of header distribution type with using the R134a.

Number: pap. n. 933

Author(s) : XIE P., SATO R., SAKAMOTO N., et al.

Summary

This paper deals with the characteristics of the two-phase flow distribution by using the R134a as refrigerant. The experiments are performed by using a test section of the header type distributor as a model of an existing heat exchanger. This test section moves downward vertically with three branches and uses the pump as the circulation of the refrigerant. The branch tubes are micro-channel multi-port tube made of aluminum and the header tube is made of transparent acrylic resin, so that the flow distribution of two-phase flow can be clearly observed. To investigate the effect of the flow rate, the pressure condition, the inlet vapor quality on the two-phase flow distributor, the experiments are conducted under a variety of experimental conditions. Finally the relationship between these experimental parameters is discussed.

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Pages: 7 p.

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Details

  • Original title: Investigation on the gas-liquid two-phase flow characteristics of header distribution type with using the R134a.
  • Record ID : 30014999
  • Languages: English
  • Source: Proceedings of the 24th IIR International Congress of Refrigeration: Yokohama, Japan, August 16-22, 2015.
  • Publication date: 2015/08/16
  • DOI: http://dx.doi.org/10.18462/iir.icr.2015.0933

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