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RESEARCH PAPERS

Axisymmetric Interfacial Condensation Model

[+] Author and Article Information
F. M. Gerner, C. L. Tien

Department of Mechanical Engineering, University of California, Berkeley, CA 94720

J. Heat Transfer 111(2), 503-510 (May 01, 1989) (8 pages) doi:10.1115/1.3250705 History: Received April 20, 1988; Online October 20, 2009

Abstract

This paper employs a simple axisymmetric model to study interfacial condensation. Numerical results show the effects of interfacial forces, subcooling of the liquid, superheating of the vapor, and the presence of a noncondensable gas in the vapor. While pressure and shear stress play an important role in determining the flow fields, and hence interfacial mass and energy transport, interfacial mass fluxes do not. Subcooling of the liquid is the dominant mechanism in determining the interfacial condensation rate. While superheating of the vapor is insignificant, except near the critical point, a noncondensable gas in the vapor greatly reduces condensation.

Copyright © 1989 by ASME
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