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Shock-wave strengthening by area convergence

Published online by Cambridge University Press:  28 March 2006

David A. Russell
David A. Russell
Affiliation:
Jet Propulsion Laboratory, California Institute of Technology, Pasadena, California
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Abstract

A 17 in. diameter shock tube was coupled to a 1 in. tube by a 10° half-angle conical convergence. Timing measurements showed that the shock waves emerged from the convergence at 2–3 times their entrance speeds, and then decelerated downstream. After the application of a viscous correction, the shock speeds at the convergence exit agreed to within 5% with equilibrium real-gas calculations of the model of Chester (1954), Chisnell (1957) and Whitham (1958). The downstream deceleration, due to viscosity and to higher-order interactions not included in the theory, was also briefly studied.

Type
Research Article
Information
Journal of Fluid Mechanics , Volume 27 , Issue 2 , 2 February 1967 , pp. 305 - 314
Copyright
© 1967 Cambridge University Press

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References

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