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The three-dimensional detonation polar and an application to spinning detonation

Published online by Cambridge University Press:  28 March 2006

A. K. Macpherson
A. K. Macpherson
Affiliation:
Department of Mechanical Engineering, University of Sydney Present address: Institute for Aerospace Studies, University of Toronto, Toronto, Ontario, Canada.
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Abstract

Expressions are derived for a three-dimensional polar in the pressure ratio, deflexion angle space to represent conditions downstream of a detonation wave with given upstream conditions. An analysis of reflected waves is undertaken and the representation of three wave confluences in a three-dimensional hodograph space studied. These techniques are applied to experimental results available for spin detonation in gaseous mixtures of acetylene-oxygen-argon and carbon monoxide-oxygen. Assumptions made in earlier papers concerning local extinction of combustion at the confluence point are not necessary in this picture.

Type
Research Article
Information
Journal of Fluid Mechanics , Volume 35 , Issue 3 , 20 February 1969 , pp. 451 - 479
Copyright
© 1969 Cambridge University Press

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Supplementary material: PDF

Macpherson supplementary material

Tables 3-4

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