Nucleate boiling on two cylinders in line contact

M. C. Chyu, A. M. Mghamis

Research output: Contribution to journalArticlepeer-review

9 Scopus citations

Abstract

Nucleate boiling from the restricted geometry between two cylinders in line contact is studied. The pool boiling experiment is conducted using water and two small-diameter tubes brought together through either twisting or tying. It is found that nucleate boiling is significantly enhanced in the restricted regions between the two tubes, particularly in those regions with openings facing upward. This enhancement is due to a favorable thermal environment in terms of the liquid temperature profile inside the restricted geometry. This phenomenon is explained based on the well accepted nucleate boiling theory. The difference among data of different tube orientations is also discussed.

Original languageEnglish
Pages (from-to)1783-1790
Number of pages8
JournalInternational Journal of Heat and Mass Transfer
Volume34
Issue number7
DOIs
StatePublished - Jul 1991

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