Ablation by Frictional Heating

[+] Author and Article Information
L. N. Tao

Department of Mechanical Engineering, Illinois Institute of Technology, Chicago, Ill. 60616

J. Appl. Mech 50(4a), 712-716 (Dec 01, 1983) (5 pages) doi:10.1115/1.3167134 History: Received January 01, 1983; Online July 21, 2009


The ablation problem of a semi-infinite solid, moving at a constant speed parallel to its surface, is investigated. The study includes all induced motions caused by the density differences of various phases of the materials. Some appropriate transformations are introduced to reduce the problem to one where all phases behave as if they had the same density. The reduced problem is then solved by similarity transformations. It is found that the exact solution exists if and only if an inequality is satisfied. The physical interpretation of the inequality is examined. A numerical example is given to illustrate the result.

Copyright © 1983 by ASME
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