Abstract
This chapter concerns the behavior of vortices of chemical activity in batch experiments with non-oscillatory variants of the bromate-ferroin-malonic acid excitable medium. It is largely organized around putatively corresponding computations in two or three spatial dimensions (‘2D’ or ‘3D’ henceforth) with the two-variable Oregonator model. This reduced model is far superior to ‘generic’ excitable systems or ‘lambda-omega’ equations for interpretation of Belousov—Zhabotinsky experiments, but it is taken by no one as a serious quantitative model of that complex reaction, and I will neither defend it nor critique it here. My attitude here is that the chemical and numerical experiments support enough mutual analogies to make comparison and contrast interesting in a heuristic way.
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