A Model for Fluid Flow During Saturated Boiling on a Horizontal Cylinder

[+] Author and Article Information
K. Kheyrandish, C. Dalton, J. H. Lienhard

Heat Transfer/Phase Change Laboratory, Mechanical Engineering Department, University of Houston, Houston, TX 77004

J. Heat Transfer 109(2), 485-490 (May 01, 1987) (6 pages) doi:10.1115/1.3248108 History: Received November 05, 1985; Online October 20, 2009


A model has been developed to represent the vapor removal pattern in the vicinity of a cylinder during nucleate flow boiling across a horizontal cylinder. The model is based on a potential flow representation of the liquid and vapor regions and an estimate of the losses that should occur in the flow. Correlation of the losses shows a weak dependence on the Weber number and a slightly stronger dependence on the saturated liquid-to-vapor density ratio. The vapor jet thickness, which is crucial to the prediction of the burnout heat flux, and the shape of the vapor film are predicted. Both are verified by qualitative experimental observations.

Copyright © 1987 by ASME
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