Transitions between convective patterns in chemical fronts

被引：18

作者：

Wu, YQ

Vasquez, DA

Edwards, BF

Wilder, JW

机构：

[1] INDIANA UNIV PURDUE UNIV,DEPT PHYS,FT WAYNE,IN 46805

[2] W VIRGINIA UNIV,DEPT MATH,MORGANTOWN,WV 26506

来源：

PHYSICAL REVIEW E | 1995年 / 52卷 / 06期

关键词：

D O I：

10.1103/PhysRevE.52.6175

中图分类号：

O35 [流体力学]; O53 [等离子体物理学];

学科分类号：

070204 ; 080103 ; 080704 ;

摘要：

We present a theory for the transition from nonaxisymmetric to axisymmetric convection in iodate-arsenous acid reaction fronts propagating in a vertical slab. The transition takes place away from the onset of convection, where a convectionless flat front becomes unstable to a nonaxisymmetric convective front. The transition is studied by numerically solving a reaction-diffusion equation coupled with nonlinear hydrodynamics in a two-dimensional slab.

引用

页码：6175 / 6182

页数：8

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