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RESEARCH PAPERS

Modeling of One-Dimensional Thermomechanical Erosion of High-Temperature Ablatives

[+] Author and Article Information
B. C. Yang, F. B. Cheung

Department of Mechanical Engineering, The Pennsylvania State University, University Park, PA 16802

J. H. Koo

Naval Systems Division, FMC Corporation, Minneapolis, MN 55421

J. Appl. Mech 60(4), 1027-1032 (Dec 01, 1993) (6 pages) doi:10.1115/1.2900970 History: Received February 12, 1992; Revised September 29, 1992; Online March 31, 2008

Abstract

A one-dimensional material erosion model has been developed to describe the simultaneous processes of thermochemical ablation and mechanical erosion of ablatives exposed to high-temperature particle-laden flows. The model accounts for the effect of mechanical erosion due to thermochemical weakening of the material and the influence of particle impact on the thermochemical ablation. Numerical calculations of the erosion depth (i.e., surface recession) have been made for various thermal and particle loading conditions. The predicted results are found to agree reasonably well with available experimental data.

Copyright © 1993 by The American Society of Mechanical Engineers
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