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On the Transition from Deflagration to Detonationin Narrow Channels

Published online by Cambridge University Press:  15 June 2008

L. Kagan
L. Kagan*
Affiliation:
Sackler Faculty of Exact Sciences, School of Mathematical Sciences Tel Aviv University, Tel Aviv 69978, Israel
*
kaganleo@post.tau.ac.il
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Abstract

A numerical study of a two-dimensional model for premixed gas combustion in a narrow, semi-infinite channel with no-slip boundary condition is performed. The work is motivated by recent theoretical advances revealing the major role of hydraulic resistance in deflagration-to-detonation transition, one of the central yet still inadequately understood phenomena of gaseous combustion. The work is a continuation and extension of recently reported results over non-isothermal boundary conditions, wider channels, and lower incipient flame velocities, closer to those of real life explosives.

Keywords

computational fluid dynamicsdetonation phenomenatransition from defla- gration to detonation
Type
Research Article
Information
Mathematical Modelling of Natural Phenomena , Volume 2 , Issue 2: Reaction-diffusion waves , 2007 , pp. 40 - 55
Copyright
© EDP Sciences, 2007

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