Transactions of the Japan Society of Mechanical Engineers Series B
Online ISSN : 1884-8346
Print ISSN : 0387-5016
Boiling Heat Transfer Characteristics in Liquid-Liquid Direct Contact Parallel Flow of Immiscible Liquids : Heat Transfer Flow Pattern and Empirical Correlation
Koji SHIINASeiichirou SAKAGUCHI
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Keywords: Flow Pattern
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1997 Volume 63 Issue 607 Pages 970-978

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Abstract

Boiling heat transfer characteristics in liquid-liquid direct contact parallel flow of immiscible liquids were investigated. The effect of operating conditions and column specifications on the UA factor of heat transfer was determined and the following empirical correlation is proposed : St=k1+k2M*aH*bZ*cN*d for conditions where subcooling is constant. The Stanton number for heat transfer to the dispersed phase is shown to correlate with the product of the Jacob number and the Prandtl number, H*. Comparison of heat transfer-flow pattern and the correlation equation of heat transfer showed good agreement within a range of ±30%.

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