``Superfast'' Reaction in Turbulent Flow with Potential Disorder

Details ``Superfast'' Reaction in Turbulent Flow with Potential Disorder ``Superfast'' Reaction in Turbulent Flow with Potential Disorder

1998-10-03

arxiv.org/abs/cond-mat/9810028v2

Physics

Condensed Matter

Statistical Mechanics

14 pages. 4 figures. Uses IOP styles. To appear in J. Phys. A: Math. Gen

Scientific paper

10.1088/0305-4470/32/8/009

We explore the regime of ``superfast'' reactivity that has been predicted to occur in turbulent flow in the presence of potential disorder. Computer simulation studies confirm qualitative features of the previous renormalization group predictions, which were based on a static model of turbulence. New renormalization group calculations for a more realistic, dynamic model of turbulence show that the superfast regime persists. This regime, with concentration decay exponents greater than that for a well-mixed reaction, appears to be a general result of the interplay among non-linear reaction kinetics, turbulent transport, and local trapping by potential disorder.

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