The Fusion Times of Slabs and Cylinders

[+] Author and Article Information
D. C. Baxter

Mechanical Engineering Division, National Research Council of Canada, Ottawa, Ontario, Canada

J. Heat Transfer 84(4), 317-325 (Nov 01, 1962) (9 pages) doi:10.1115/1.3684380 History: Received July 06, 1961


Results for the time required to melt or freeze a slab or cylinder of a pure substance initially at the fusion temperature and with convection at the surface are presented. The “enthalpy-flow temperature” method of Dusinberre and Eyres is used, and the lumped equations solved on an analog computer. Correlated results are given for the ambient temperature ranges cT∞ /L up to 2, and Nusselt number greater than 1. These represent an extension of the “no-capacity” solutions of London and Seban. The “enthalpy-flow temperature” method involves use of the dependent variables

H(T) = 0+T c dT  and
   φ(T) = 0T k dT
and so reduces the essential nonlinearity at the fusion temperature to one easily handled in an analog computer simulation.

Copyright © 1962 by ASME
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