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Published January 2005 | Published
Book Section - Chapter Open

Lead Shock Oscillation and Decoupling in Propagating Detonations


Experimental images of propagating detonation waves provide lead shock velocity measurements through the cell cycle. We examine the issue of local decoupling of the shock and reaction front using these data. In highly unstable mixtures with high reduced activation energy, experimental images and analysis suggest that local decoupling occurs at the end of the cell cycle. Regions of high fluorescence intensity are observed in shear layers in apparently decoupled portions of the detonation front.

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© 2005 by California Institute of Technology. Published by the American Institute of Aeronautics and Astronautics, Inc., with permission. AIAA 2005-1170.

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