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Fizika Goreniya i Vzryva, 2009 Volume 45, Issue 6, Pages 63–72 (Mi fgv1352)

Theoretical description of shock-wave formation in a spatially inhomogeneous combustible medium for chain-branching combustion kinetics

I. A. Zaev, I. A. Kirillov

Kurchatov Institute, Moscow, 123182, Russia

Abstract: For combustion reactions with chain-branching kinetics, the time scales of induction and heat release vary independently and can be significantly different as well as comparable, depending on the initial conditions. A theoretical study was performed to investigate the influence of the heat-release rate and kinetics on the mechanisms and conditions of shock-wave formation in a spatially inhomogeneous combustible medium – the first step of detonation initiation in systems with an induction time gradient. The study used the transport equation method developed by the authors previously.

Keywords: combustion, chain-branching reaction, kinetics, detonation initiation.

UDC: 536.46

Received: 10.11.2008


 English version:
Combustion, Explosion and Shock Waves, 2009, 45:6, 692–699

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