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Condensation heat transfer coefficients of R1234yf on plain, low fin, and Turbo-C tubes.

Author(s) : PARK K. J., KANG D. G., JUNG D.

Type of article: Article, IJR article

Summary

In this study, external condensation heat transfer coefficients (HTCs) of HFC-134a and R1234yf are measured on a plain, low fin, and Turbo-C tubes at the saturated vapour temperature of 39°C with the wall subcooling of 3-8°C. R1234yf is a new alternative refrigerant of low greenhouse warming potential for replacing HFC-134a, one of the greenhouse gases in Kyoto protocol, used extensively in automobile air conditioners and other refrigeration systems. Test results show that the condensation HTCs of R1234yf are very similar to those of HFC-134a for all three surfaces tested. For the development of heat transfer correlations, thorough property measurements are needed for R1234yf in the near future.

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Pages: pp. 317-321

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Details

  • Original title: Condensation heat transfer coefficients of R1234yf on plain, low fin, and Turbo-C tubes.
  • Record ID : 2010-1389
  • Languages: English
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 34 - n. 1
  • Publication date: 2011/01

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