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Nucleate pool boiling data for five refrigerants on plain, integral-fin and enhanced tube geometries.

Author(s) : WEBB R. L., PAIS C.

Type of article: Article

Summary

Data are presented for nucleate pool boiling on five different horizontal tube geometries using five refrigerants (R11, R12, R22, R123 and R134a) at two saturation temperatures (4.44 and 26.7 deg C). The tube geometries tested are described. The wide range of data reported here is new to the literature. The ability of the Cooper and the Stephan-Abdelsalam correlations to predict the plain tube data is evaluated. The slopes of the boiling coefficient vs heat flux curve are found to be heat flux dependent. Except for the Turbo-B with R11, it appears that the boiling coefficients for R123 and R134a are within 10% of the values for R11 and R12, respectively.

Details

  • Original title: Nucleate pool boiling data for five refrigerants on plain, integral-fin and enhanced tube geometries.
  • Record ID : 1992-2615
  • Languages: English
  • Source: International Journal of Heat and Mass Transfer - vol. 35 - n. 8
  • Publication date: 1992/08

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