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Effect of non-condensable gas mass fraction on condensation heat transfer for water-ethanol vapour mixture.

Author(s) : WANG S., UTAKA Y.

Type of article: Article

Summary

The condensation heat transfer characteristics curves for a ternary vapour mixture of water, ethanol and air (or nitrogen) for several ethanol concentrations and relatively low concentrations of air (or nitrogen) were measured. The effect of non-condensable gas on several different domains in the condensation curves was discussed. The effect of non-condensable gas in the domains controlled by the diffusion resistance and the filmwise condensation was notable; whereas that in the domain dominated by the condensate resistance of dropwise mode was remarkable. Moreover, variations due to changes in non-condensable gas concentration of several characteristics points representing the curves were discussed.

Details

  • Original title: Effect of non-condensable gas mass fraction on condensation heat transfer for water-ethanol vapour mixture.
  • Record ID : 2005-1705
  • Languages: English
  • Source: JSME int. J., B - vol. 47 - n. 2
  • Publication date: 2004

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