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Third-order blast wave theory and its application to hypersonic flow past blunt-nosed cylinders

Published online by Cambridge University Press:  28 March 2006

R. J. Swigart
R. J. Swigart
Affiliation:
Lockheed Aircraft Corporation, Missiles and Space Division, Palo Alto, California
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Abstract

The inviscid flow behind a cylindrical blast wave and its analogy with hypersonic flow past blunt-nosed cylinders is considered. Sakurai (1953, 1954) obtained a solution for the flow field behind a propagating blast wave by expanding the flow variables in power series of 1/M2, where M is the blast wave Mach number, and determining the coefficients of the first two terms in the series. Here the work is extended to include third-order terms. Third-order theory is shown to improve the prediction of shock wave shapes and surface pressure distribution on hemisphere-cylinder configurations at M∞ = 7·7 and 17·18.

Type
Research Article
Information
Journal of Fluid Mechanics , Volume 9 , Issue 4 , December 1960 , pp. 613 - 620
Copyright
© 1960 Cambridge University Press

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