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RESEARCH PAPERS

Solidification Effects on the Fragmentation of Molten Metal Drops Behind a Pressure Shock Wave

[+] Author and Article Information
J. W. Yang, S. G. Bankoff

Chemical Engineering Department, Northwestern University, Evanston, IL 60201

J. Heat Transfer 109(1), 226-231 (Feb 01, 1987) (6 pages) doi:10.1115/1.3248047 History: Received September 03, 1985; Online October 20, 2009

Abstract

Molten Wood’s metal drops falling through water fragment upon being overtaken by a shock wave, under conditions of simultaneous surface solidification. The study of this fragmentation is the subject of the present paper. If the solid crust thickness is sufficiently large by the time of the shock arrival, fine-scale fragmentation is prevented. A stability theory (Epstein, 1977) which includes the elastic crust stiffness in the pressure boundary conditions, and a nonlinear Taylor instability theory (Cooper and Dienes, 1977), are both surprisingly successful in predicting the threshold for fragmentation inhibition.

Copyright © 1987 by ASME
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