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The surface tension of HFC refrigerants and mixtures.

Author(s) : HEIDE R.

Type of article: Article, IJR article

Summary

The surface tension of the refrigerants R32, R125, R134a, R143a and R152a, as well as the binary refrigerant mixtures R32/R125, R32-R134a, R125-R134a, R125-R143a, R125-R152a, R143a-R134a and R134a-R152a, and the commercially available ternary mixtures R404A and R407C was measured across the temperature range from -50 to 60 deg C using a measuring unit based on the capillary rise method. Different formulations for calculation of the surface tension of the binary and ternary mixtures on the basis of the surface tension of the pure refrigerants were tested. With an approach based on mass proportions in the mixture, a good correspondence between the measured and calculated values was achieved.

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Format PDF

Pages: 496-503

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Details

  • Original title: The surface tension of HFC refrigerants and mixtures.
  • Record ID : 1998-1554
  • Languages: English
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 20 - n. 7
  • Publication date: 1997/11

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