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Spatiotemporal patterns in models of cross-flow reactors. Regular and oscillatory kinetics by Olga Nekhamkina; Boris Y. Rubinstein; Moshe Sheintuch is a Engineering article available to read on EtoBox.

What is Spatiotemporal patterns in models of cross-flow reactors. Regular and oscillatory kinetics about?

We simulate and analyze the behavior of stationary and moving spatially periodic patterns in a simple cross-#ow reactor with a "rst-order exothermic reactor and realistically high Pe and ̧e. Novel nonTuring stationary patterns emerge due to reac-tor}di!usion}convection interaction in the simple model that incorporates only concentration and temperature as its variables. We extend our previous analysis to account for reversible changes in a catalytic activity. We conduct linear and weakly nonlinear analysis around the critical point \* the perturbation ampli"cation threshold, as well as numerical simulations. For the limit case PePR the spatial behavior of the distributed system is analogous to the temporal behavior of the related CSTR problem. In the vicinity of the bifurcation point the emerging spatiotemporal patterns drastically depends on the type of a phase plane and both regular and aperiodic (chaotic) behavior was observed.

Who reads Spatiotemporal patterns in models of cross-flow reactors. Regular and oscillatory kinetics?

Author

Olga Nekhamkina; Boris Y. Rubinstein; Moshe Sheintuch

Publisher

Elsevier Science; Elsevier ; Elsevier Ltd.; Elsevier BV (ISSN 0009-2509)

Published

2001

Language

EN

Field

Engineering (Physical Sciences)