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Pattern Selection in Convection in Fluid Mixtures

08 April 1988

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Convection in layers of binary fluids which are heated from below tends to take the form of traveling rolls. This has a profound effect on the selection of convective patterns, as compared with pattern selection in pure fluids. Pattern selection can be dominated by the reflections of convective rolls from the walls of the container, nonlinear competition between rolls traveling in opposite directions, and locking and propagation of the fronts between spatial regions in which different dynamical states exist. In this talk, recent experimental observations will be discussed in light of theoretical ideas.