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Control of Marangoni Convection in a Variable-Viscosity Fluid Layer with Deformable Surface
unpublished
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The effectiveness of a proportional feedback control to suppress the Marangoni instability in a variable-viscosity fluid layer with a deformable free upper surface is investigated. Viscosity variation and deformable free surface have destabilizing effects on the stability limit. The stability thresholds for the short-scale mode are strongly dependent on viscosity variation and controller gain while the stability thresholds for the long-scale mode are greatly influenced by gravity and surface
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