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Heat-transfer mechanism of liquid film flow in a vertical, finely grooved heating surface.

Author(s) : OUCHI M., et al.

Type of article: Article

Summary

The heating surface structure characteristic of a vertical tube is emphasized in order to obtain nucleate boiling stability in the liquid film and to avoid the splitting of the liquid film into rivulets. Horizontally, vertically, and obliquely grooved surfaces were used with a constant liquid flow rate and isothermal surface conditions. The overall, as well as local, heat-transfer coefficients, the heat-transfer mechanisms, the flow characteristics, and the dry-out have been observed and measured. A comparison with pool boiling data is made.

Details

  • Original title: Heat-transfer mechanism of liquid film flow in a vertical, finely grooved heating surface.
  • Record ID : 1993-0174
  • Languages: English
  • Source: Heat Transf., Jap. Res. - vol. 20 - n. 2
  • Publication date: 1991

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