Transient Simultaneous Condensation and Melting of a Vertical Surface

[+] Author and Article Information
D. Galamba, V. K. Dhir

School of Engineering and Applied Science, University of California, Los Angeles, Los Angeles, CA 90024

J. Heat Transfer 107(4), 812-818 (Nov 01, 1985) (7 pages) doi:10.1115/1.3247508 History: Received May 21, 1984; Online October 20, 2009


Transient melting of a vertical wall as a result of condensation of saturated vapor is investigated analytically. Using a Nusselt-type analysis the equations governing the laminar melt and condensate films are solved by a combination of analytical and numerical finite-differencing techniques. The solutions in the axial distance-time plane fall into three regions: the piling region where the melt and condensate thicknesses are only functions of time, the Goursat region where the thicknesses are functions of both the axial distance and time, and the steady-state region where the film thicknesses are only functions of the axial distance. The time to achieve a steady-state condition is obtained analytically.

Copyright © 1985 by ASME
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