Abstract
We summarize our findings about laterally periodic convection structures in binary mixtures in the Rayleigh-Bénard system for positive Soret effect. Stationary roll, square, and crossroll solutions and their stability are determined with a multimode Galerkin expansion. The oscillatory competition of squares and rolls in the form of crossroll oscillations is reviewed. They undergo a subharmonic bifurcation cascade where the oscillation period grows in integer steps as a consequence of an entrainment process.
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Huke, B., Lücke, M. (2002). Convective Patterns in Binary Fluid Mixtures with Positive Separation Ratios. In: Köhler, W., Wiegand, S. (eds) Thermal Nonequilibrium Phenomena in Fluid Mixtures. Lecture Notes in Physics, vol 584. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-45791-7_16
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DOI: https://doi.org/10.1007/3-540-45791-7_16
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