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Wave Shaping Channels for Gaseous Detonations

Akbar, R. and Schwendeman, D. W. and Shepherd, J. E. and Williams, R. L. and Thomas, G. O. (1995) Wave Shaping Channels for Gaseous Detonations. In: Shock Waves @ Marseille IV: Shock Structure and Kinematics, Blast Waves and Detonations. Springer , Berlin, pp. 465-470. ISBN 9783642795343.

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The problem of detonation wave shaping by converging channels was investigated computationally and experimentally. Whitham’s method of shock dynamics, extended to gaseous detonations, was used to design a converging channel to produce an overdriven, planar detonation. The channel was designed for a detonation in a stoichiometric oxygen-acetylene mixture with an inlet Mach number of 7.3 and an exit Mach number of 7.8, corresponding to an overdrive ratio of 1.07. It was tested experimentally at initial pressures ranging from 15 to 60 Torr. Soot foil records indicate smooth wavefronts with a gradual decrease in detonation cell-width along the channel. The overdrive ratios, estimated from changes in cell size, ranged from 1.01 to 1.05.

Item Type:Book Section
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Shepherd, J. E.0000-0003-3181-9310
Additional Information:© Springer-Verlag Berlin Heidelberg 1995.
Subject Keywords:Detonation, Shock dynamics, Convergence
Record Number:CaltechAUTHORS:20200721-162844821
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:104494
Deposited By: Rebecca Minjarez
Deposited On:22 Jul 2020 16:55
Last Modified:16 Nov 2021 18:32

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