A New Viewpoint on Ablation Mechanism Discrimination

Abstract:

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The ablation is coupled with chemistry, heat and mass transfer. Based on multidisciplinary theories, the heat flow field and the ablation loss are studied with the given gaseous mixture and assumed activation energy of H2; Furthermore, the formula for impaction effect of a single particle are deduced with an elastic impact theory, by which the most dangerous attack angle can be obtained. As results prove, the most fragile part may be the convergence region in front of the throat, and then the concentration and the activation energy of H2 determine the ablation mechanism discrimination in the most fragile part.

Info:

Periodical:

Edited by:

Honghua Tan

Pages:

1680-1685

DOI:

10.4028/www.scientific.net/AMM.29-32.1680

Citation:

X. L. Xu and H. M. Huang, "A New Viewpoint on Ablation Mechanism Discrimination", Applied Mechanics and Materials, Vols. 29-32, pp. 1680-1685, 2010

Online since:

August 2010

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Price:

$35.00

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