Blast Wave Reflection From Wedges-Reference-Cited by-同舟云学术

Blast Wave Reflection From Wedges

Published:2003-05-01 Issue:3 Volume:125 Page:510-519
ISSN:0098-2202
Container-title:Journal of Fluids Engineering
language:en
Short-container-title:

Author:

Igra O.¹,Hu G.¹,Falcovitz J.²,Heilig W.³

Affiliation:

1. Pearlstone Center for Aeronautical Engineering Studies, Department of Mechanical Engineering, Ben-Gurion University of the Negev, Beer Sheva, Israel

2. Institute of Mathematics, Hebrew University of Jerusalem, Jerusalem, Israel

3. Ernst Mach Institute, Eckerstr. 4, 79108 Freiburg, Germany

Abstract

While a lot of attention was given to shock wave reflections from wedges during the past four decades, only little work was published regarding the similar case of blast wave reflection from wedges. In the present paper this subject is studied experimentally and theoretically/numerically. The obtained results show that the geometry of the reflected wave pattern is similar in the two cases when both incident waves have the same initial pressure jump across their fronts. However, different reflected pressure signatures (history) are observed in these two cases. The pressures obtained behind a reflected shock wave are always higher than those obtained behind the corresponding similar blast wave. In the present case differences as high as 17% were observed.

Publisher

ASME International

Subject

Mechanical Engineering

Link

http://asmedigitalcollection.asme.org/fluidsengineering/article-pdf/125/3/510/5902989/510_1.pdf

Reference9 articles.

1. Ben-Dor, G., 1991, Shock Wave Reflection Phenomena, Springer, New York.

2. Kobayashi, Y., Takakura, Y., and Higashino, F., 1999, “On Reflection Patterns of Blast Waves and the Real Gas Effect,” G. J. Ball, R. Hillier, and G. T. Roberts, eds., Shock Waves, Proceedings of the 22nd International Symposium on Shock Waves, London, UK.

3. Heilig, W., 2000 “Use of the Shock Tube for Generating Blast Waves,” Proceedings of the 16th International Symposium on Military Aspects of Blast and Shock, Cranfield University, Oxford, UK.

4. Falcovitz, J., and Ben-Artzi, M., 1995, “Recent Developments of the GRP Method,” Japan Soc. Mech. Engrs. Int. J. Ser. B, 38, pp. 497–517.

5. Strang, G. , 1968, “On the Construction and Comparison of Difference Schemes,” SIAM (Soc. Ind. Appl. Math.) J. Numer. Anal., 5, pp. 506–517.

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