RESEARCH PAPERS: Phase-Change Heat Transfer

The Melting of an Ice Shell on a Heated Horizontal Cylinder

[+] Author and Article Information
J. V. C. Vargas, A. Bejan

Department of Mechanical Engineering and Materials Science, Box 90300, Duke University, Durham, NC 27708-0300

A. Dobrovicescu

Department of Mechanical Engineering, Polytechnic University of Bucharest, Bucharest 77206, Romania

J. Heat Transfer 116(3), 702-708 (Aug 01, 1994) (7 pages) doi:10.1115/1.2910925 History: Received May 01, 1993; Revised August 01, 1993; Online May 23, 2008


This paper describes the fundamentals of melting when a shell of phase-change material rides on a heated horizontal cylinder. In the first part of the paper, contact melting theory is used to predict the history of the melting process and, in particular, the time when the remaining ice falls off the cylinder. It is shown that the melting process consists of two distinct regimes, first, an early regime when the cylinder is surrounded by ice and, second, a late regime when the cylinder cuts through the top of the ice shell. The second part describes laboratory measurements that validate the theory. The third part of the paper shows that in the complete cycle that starts with freezing the shell and ends with the contact-melting removal of the shell, there exists an optimal frozen shell thickness such that the cycle-averaged production of ice is maximized.

Copyright © 1994 by The American Society of Mechanical Engineers
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