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A dry-spot model for transition boiling heat transfer in pool boiling.

Author(s) : HA S. J., NO H. C.

Type of article: Article

Summary

A theoretical model for transition boiling heat transfer in pool boiling is proposed. The fractions of wetted area on the heating surface are estimated as a function of walls superheat. It is shown that transition boiling heat flux can be determined without any correction factor by the consideration of the influence of dry spots on active site density. The predictions of boiling curve and the fraction of wetted area are in fairly good agreement with the existing data. It also turns out that the present model well explains the mechanism of how wettability affects the transition boiling.

Details

  • Original title: A dry-spot model for transition boiling heat transfer in pool boiling.
  • Record ID : 1999-3432
  • Languages: English
  • Source: International Journal of Heat and Mass Transfer - vol. 41 - n. 23
  • Publication date: 1998/12

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