Reaction-diffusion fronts under stochastic advection

Details Reaction-diffusion fronts under stochastic advection Reaction-diffusion fronts under stochastic advection

1997-07-17

arxiv.org/abs/chao-dyn/9707014v1

Nonlinear Sciences

Chaotic Dynamics

4 pages, REVTEX, 2 postscript figures included. To appear in Phys. Rev. E (August 1997)

Scientific paper

10.1103/PhysRevE.56.1729

We study front propagation in stirred media using a simplified modelization of the turbulent flow. Computer simulations reveal the existence of the two limiting propagation modes observed in recent experiments with liquid phase isothermal reactions. These two modes respectively correspond to a wrinkled although sharp propagating interface and to a broadened one. Specific laws relative to the enhancement of the front velocity in each regime are confirmed by our simulations.

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