Nucleate boiling heat transfer and critical heat flux in narrow space between rectangular surfaces

Y. Fujita, Haruhiko Ohta, S. Uchida, K. Nishikawa

Research output: Contribution to journalArticle

164 Citations (Scopus)

Abstract

Pool boiling heat transfer in a confined narrow space is systematically investigated for saturated water at atmospheric pressure between heated and unheated parallel rectangular plates. Experiments are performed at heat flux from boiling inception to the critical heat flux on heating surfaces with a width of 30 mm, lengths of 30 and 120 mm, and gap sizes of 5, 2, 0.6 and 0.15 mm under three surface peripheral conditions. They are all edges open, closed side edges, and closed side and bottom edges. Space inclination is also changed from vertical to facing downwards nearly to the horizontal. On the basis of measurements and observation, boiling behavior and mechanisms in a narrow space are discussed. Measured critical heat flux under two different periphery conditions are also compared with predictions on corresponding burnout models.

Original languageEnglish
Pages (from-to)229-239
Number of pages11
JournalInternational Journal of Heat and Mass Transfer
Volume31
Issue number2
DOIs
Publication statusPublished - Jan 1 1988

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics
  • Mechanical Engineering
  • Fluid Flow and Transfer Processes

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