Boiling heat transfer from a vertical wall subjected to an inclined wall attachment

M. C. Chyu, J. Fei

Research output: Contribution to journalArticle

1 Scopus citations

Abstract

Nucleate boiling in a restricted geometry formed by an inclined wall attachment in line contact with a vertical heating wall is studied for different cases of attachment orientations with respect to the direction of gravity. The pool boiling experiment was conducted with an electrically heated metal foil boiling water at atmospheric pressure. The test results show that in all cases, nucleate boiling is significantly enhanced in the restricted region near the contact line where stagnant liquid provides a favorable thermal environment for formation of vapor phase. Both the local heat transfer and critical heat flux data are presented and compared for different cases. The test results can be applied to explain enhanced nucleate boiling heat transfer from structured surfaces.

Original languageEnglish
Pages (from-to)256-263
Number of pages8
JournalExperimental Thermal and Fluid Science
Volume3
Issue number2
DOIs
StatePublished - Mar 1990

Keywords

  • heat transfer augmentation
  • pool boiling
  • two-phase flow

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