Detailed analysis of a pseudoresonant interaction between cellular flames and velocity turbulence

Details Detailed analysis of a pseudoresonant interaction between cellular flames and velocity turbulence Detailed analysis of a pseudoresonant interaction between cellular flames and velocity turbulence

2005-02-08

arxiv.org/abs/physics/0502036v1

Physics

Fluid Dynamics

20 pages, 13 figures in 31 EPS files

Scientific paper

This work is dedicated to the analysis of the delicate details of the effect of upstream velocity fluctuations on the flame propagation speed. The investigation was carried out using the Sivashinsky model of cellularisation of hydrodynamically unstable flame fronts. We identified the perturbations of the steadily propagating flames which can be significantly amplified over finite periods of time. These perturbations were used to model the effect of upstream velocity fluctuations on the flame front dynamics and to study a possibility to control the flame propagation speed.

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