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.
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Blast Wave Reflection From Wedges
O. Igra,
O. Igra
Pearlstone Center for Aeronautical Engineering Studies, Department of Mechanical Engineering, Ben-Gurion University of the Negev, Beer Sheva, Israel
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G. Hu,
G. Hu
Pearlstone Center for Aeronautical Engineering Studies, Department of Mechanical Engineering, Ben-Gurion University of the Negev, Beer Sheva, Israel
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J. Falcovitz,
J. Falcovitz
Institute of Mathematics, Hebrew University of Jerusalem, Jerusalem, Israel
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W. Heilig
W. Heilig
Ernst Mach Institute, Eckerstr. 4, 79108 Freiburg, Germany
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O. Igra
Pearlstone Center for Aeronautical Engineering Studies, Department of Mechanical Engineering, Ben-Gurion University of the Negev, Beer Sheva, Israel
G. Hu
Pearlstone Center for Aeronautical Engineering Studies, Department of Mechanical Engineering, Ben-Gurion University of the Negev, Beer Sheva, Israel
J. Falcovitz
Institute of Mathematics, Hebrew University of Jerusalem, Jerusalem, Israel
W. Heilig
Ernst Mach Institute, Eckerstr. 4, 79108 Freiburg, Germany
Contributed by the Fluids Engineering Division for publication in the JOURNAL OF FLUIDS ENGINEERING. Manuscript received by the Fluids Engineering Division March 29, 2002; revised manuscript received December 4, 2002. Associate Editor: W. W. Copenhaver.
J. Fluids Eng. May 2003, 125(3): 510-519 (10 pages)
Published Online: June 9, 2003
Article history
Received:
March 29, 2002
Revised:
December 4, 2002
Online:
June 9, 2003
Citation
Igra , O., Hu, G., Falcovitz, J., and Heilig, W. (June 9, 2003). "Blast Wave Reflection From Wedges ." ASME. J. Fluids Eng. May 2003; 125(3): 510–519. https://doi.org/10.1115/1.1567310
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