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Detonation Front Structure: Variety and Characterization

Pintgen, F. and Austin, J. M. and Shepherd, J. E. (2003) Detonation Front Structure: Variety and Characterization. In: Confined detonations and pulse detonation engines. Torus-Press , Moscow, pp. 105-116. ISBN 9785945880122. http://resolver.caltech.edu/CaltechAUTHORS:20141010-143811840

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Abstract

The structure of multifront or cellular detonation waves has been studied using Schlieren, planar laser-induced fluorescence (PLIF) imaging of the OH radical, and soot foils in three mixtures with varying regularity. These are: stoichiometric H_2-O_2 diluted with Ar, stoichiometric H_2-O_2 diluted with N_2, and stoichiometric H_2-N_2O diluted with N_2, all at 20 kPa initial pressure. Very different structures are observed in each mixture. These differences are most striking on the PLIF images, which are used as a starting point for a qualitative discussion and interpretation of the features seen on the Schlieren images and soot foils. It is clear that the detonation propagation mechanism in mixtures with irregular cellular structure may be much more complex than in mixtures with regular cellular structure.


Item Type:Book Section
ORCID:
AuthorORCID
Shepherd, J. E.0000-0003-3181-9310
Additional Information:© 2003 Torus-Press. This work was supported by the Office of Naval Research, Multidisciplinary University Research Initiative Multidisciplinary Study of Pulse Detonation Engine, grant 00014-99-1-0744, subcontract 1686-ONR-0744.
Group:GALCIT
Funders:
Funding AgencyGrant Number
Office of Naval Research (ONR)00014-99-1-0744, subcontract 1686-ONR-0744
Record Number:CaltechAUTHORS:20141010-143811840
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20141010-143811840
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:50343
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:10 Oct 2014 23:09
Last Modified:22 Sep 2016 23:27

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