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Evaporation heat transfer and pressure drop of refrigerant R134a in a small pipe.

Author(s) : YAN Y. Y., LIN T. F.

Type of article: Article

Summary

The data are useful in designing more compact and effective evaporators for various refrigeration and air conditioning systems. The effects of the imposed wall heat flux, mass flux, vapour quality and saturation temperature of R134a on the measured evaporation heat transfer and pressure drop were examined in detail. When compared with the data for larger pipes (diameter higher than 8.0 mm) reported in the literature, the evaporation heat transfer coefficient for the small pipe considered here is about 30-80% higher for most situations.

Details

  • Original title: Evaporation heat transfer and pressure drop of refrigerant R134a in a small pipe.
  • Record ID : 2000-0101
  • Languages: English
  • Source: International Journal of Heat and Mass Transfer - vol. 41 - n. 24
  • Publication date: 1998/12

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