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RESEARCH PAPERS

Experiments on Melting of Unfixed Ice in a Horizontal Cylindrical Capsule

[+] Author and Article Information
B. W. Webb, M. K. Moallemi, R. Viskanta

School of Mechanical Engineering, Purdue University, West Lafayette, IN 47907

J. Heat Transfer 109(2), 454-459 (May 01, 1987) (6 pages) doi:10.1115/1.3248103 History: Received February 28, 1986; Online October 20, 2009

Abstract

Melting of unrestrained ice in a horizontal cylindrical capsule has been investigated experimentally to determine the interaction of fluid flow induced by motion of the solid and natural convection with density inversion of the water–ice system. During the melting process the ice is drawn by buoyancy to the top of the heated cylinder where close-contact melting occurs. Natural convection-dominated melting whose intensity depends on wall temperature prevails in the liquid region below. Three distinct flow regimes were identified for the cylinder wall temperatures of 3.5, 7, and 12° C studied. The flow structure for temperatures below the inversion point is similar to that for melting of unfixed n-heptadecane reported previously. Photographs of flow regimes are presented, and dependence of the solid–liquid interface morphology on the flow structure is discussed.

Copyright © 1987 by ASME
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