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An experimental study of evaporation heat transfer of refrigerant HCFC-22 inside an internally grooved horizontal tube.

Author(s) : FUJII T., KOYAMA S., INOUE N., KUWAHARA K., HIRAKUNI S.

Type of article: Article

Summary

The heat transfer coefficients in the wavy-annular and annular flow regions are about 2 to 4 times higher than those of smooth tubes, and are expressed as a simple function of the Lockhart-Martinelli parameters. The empirical equations for the heat transfer coefficient in the mist flow region and in the single phase heat transfer region are also presented. The accuracy of these equations along with the value of the transition quality is confirmed in a comparison between the design calculations and the experimental data.

Details

  • Original title: An experimental study of evaporation heat transfer of refrigerant HCFC-22 inside an internally grooved horizontal tube.
  • Record ID : 1997-0744
  • Languages: English
  • Source: JSME int. J., B - vol. 38 - n. 4
  • Publication date: 1995/11
  • Document available for consultation in the library of the IIR headquarters only.

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