Effects of Natural Convection in the Melted Region Around a Heated Horizontal Cylinder

[+] Author and Article Information
L. S. Yao, F. F. Chen

Department of Mechanical and Industrial Engineering, University of Illinois at Urbana-Champaign, Urbana, IL 61801

J. Heat Transfer 102(4), 667-672 (Nov 01, 1980) (6 pages) doi:10.1115/1.3244369 History: Received January 10, 1980; Online October 20, 2009


Two heat transfer modes are involved in the process of melting around a heated horizontal cylinder: conduction and convection. The magnitude of convection is proportional to the Rayleigh number based on the width of the melted region. The importance of natural convection increases with time. For a short period after the beginning of melting, heat transfer is dominated by conduction. A regular perturbation solution is presented to demonstrate the increasing effect of natural convection on the melting process.

Copyright © 1980 by ASME
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