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A note on shock-shock diffraction

Published online by Cambridge University Press:  28 March 2006

John W. Miles
John W. Miles
Affiliation:
Department of Mathematics, Institute of Advanced Studies, Australian National University, Canberra
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Abstract

Whitham's treatment of the 'shock-shock’ diffraction of a shock wave advancing into a uniform, quiescent region is extended to a shock wave advancing into a region of uniform flow on the assumption that all velocities are approximately parallel. The result is applied to diffraction of a blast wave by a thin wedge travelling at supersonic speed. The prediction of the pressure on the wedge, just behind the diffracted blast wave, is qualitatively satisfactory.

Type
Research Article
Information
Journal of Fluid Mechanics , Volume 22 , Issue 1 , May 1965 , pp. 95 - 102
Copyright
© 1965 Cambridge University Press

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References

Chester, W. 1960 Adv. in Appl. Mech. 6, 119–52. New York: Academic Press.
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Chisnell, R. F. 1965 J. Fluid Mech. 22, 103.
Lighthill, M. J. 1949 Proc. Roy. Soc. A, 198, 454–70.
Miles, J. W. 1963 Notes on the diffraction of blast by flying vehicles. Rep. SSD-TDR-63-195, Aerospace Corporation, Los Angeles.
Smyrl, J. L. 1963 J. Fluid Mech. 15, 223–40.
Whitham, G. B. 1957 J. Fluid Mech. 2, 145–71.