Heat Transfer during Intermittent/Slug Flow in Horizontal Tubes

O. Shoham, A. E. Dukler, Y. Taitel

Research output: Contribution to journalArticlepeer-review


Heat transfer characteristics for two-phase gas-liquid slug flow in a horizontal pipe have been measured. The time variation of temperature, heat transfer coefficients, and heat flux is reported for the different zones of slug flow: the mixing region at the nose, the body of the slug, the liquid film, and the gas bubble behind the slug. Substantial differences in heat transfer coefficient exist between the bottom and top of the slug. This results from the fact that each slug is effectively a thermally developing entry region caused by the presence of a hot upper wall just upstream of each slug. A qualitative theory is presented which explains this behavior.

Original languageEnglish
Pages (from-to)312-319
Number of pages8
JournalIndustrial and Engineering Chemistry Fundamentals
Issue number3
StatePublished - 1 Aug 1982


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