Peripheral variation of heat transfer under pool boiling on tubes

K. Cornwell, J. G. Einarsson

Research output: Contribution to journalArticle

Abstract

Boiling heat transfer measurements on a tube designed to yield the peripheral variation of heat transfer coefficient without interfering with the nucleation site density are presented. A variation of up to 25% around the tube is found with a maximum at the base. High speed cine photography was used to estimate the variation of mean bubble layer thickness and mean velocities with angle. An iterative heat balance around the periphery indicated a voidage decrease from about unity at the base to 0.3-0.6 at 90°. © 1983.

Original languageEnglish
Pages (from-to)141-144
Number of pages4
JournalInternational Journal of Heat and Fluid Flow
Volume4
Issue number3
Publication statusPublished - Sep 1983

Keywords

  • boiling
  • heat transfer
  • two-phase flow

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