Evolution of a fast flame behind an induction zone |
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| Authors: | R. G. Johnson A. C. McIntosh J. Brindley |
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| Affiliation: | (1) Department of Fuel and Energy, University of Leeds, Leeds LS2 9JT, England, GB;(2) Department of Applied Maths, University of Leeds, Leeds LS2 9JT, England, GB |
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| Abstract: | It has been shown that pressure waves can have a large effect on the burning rate of flames. In this paper, the evolution of convection-driven fast flame, which is acoustically linked to a shock wave via an induction zone, is examined in detail. It is found that there is positive feedback mechanism and the asymptotic model breaks down as blow up occurs. Comparison is made between the case of a piston driving a shock wave into a combustible atmosphere with these studies of a shock wave passing through an existing premixed flame. Received 4 August 1995 / Accepted 20 March 1996 |
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| Keywords: | :Fast flame Induction zone Shock wave |
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