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Influence of the heat flux in mixture boiling: experiments and correlations.

Author(s) : KÖSTER R., HERRES G., KAUPMANN P., HÜBNER P.

Type of article: Article, IJR article

Summary

Heat transfer at nucleate pool boiling of the binary and ternary refrigerant mixtures R404A, R407C and R507 at the outside of a horizontal tube with emery ground surface has been investigated in a wide range of pressures and heat fluxes. Together with experimental data of Bednar and Bier for wide boiling ethane/n-butane mixtures, the results of these comparatively narrow boiling mixtures are used to investigate the influence of heat flux on the heat transfer coefficient as predicted by various correlations for nucleate boiling of mixture. At the molar average of the pure components, the heat transfer coefficient-heat flux relationships predicted differ significantly from the experimental, particularly for wide boiling mixtures.

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Pages: 598-605

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Details

  • Original title: Influence of the heat flux in mixture boiling: experiments and correlations.
  • Record ID : 1998-2210
  • Languages: English
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 20 - n. 8
  • Publication date: 1997/12

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