Control of chemoconvective Structures in a slab reactor
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The object of investigation is dissipative strictures spontaneously arising in a two-layer system of reacting liquids placed in a narrow gap between two hard finite-conductivity plates. A mathematical model of this phenomenon includes a set of reaction, diffusion, and convection equations written in the Hele-Show cell approximation. Numerical analysis of the model shows that an exothermal reaction going near the interface generates a regular chemoconvective structure. The feasibility of controlling these structures by locally varying the thermal conductivity of the reactor walls is considered. The efficiency of such a control is discussed, and comparison with experimental data is made.
PACS numbers47.70.Fw 47.70.-n 47.20.Bp
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