Surfactant Marangoni stresses suppress hydrodynamic coarsening in bicontinuous phase separation non-monotonically with Péclet number, strongest at intermediate values because of competition between surfactant replenishment and gradient retention.
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Two modifications to the diffuse-interface method for insoluble surfactant modeling avoid sharp-gradient derivatives and decouple delta-function width from interface width, improving accuracy and conserving mass in two-phase flow simulations.
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Non-Monotonic Marangoni Suppression of Hydrodynamic Coarsening in Bicontinuous Liquid-Liquid Phase Separation
Surfactant Marangoni stresses suppress hydrodynamic coarsening in bicontinuous phase separation non-monotonically with Péclet number, strongest at intermediate values because of competition between surfactant replenishment and gradient retention.
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Enhanced numerical approaches for modeling insoluble surfactants in two-phase flows with the diffuse-interface method
Two modifications to the diffuse-interface method for insoluble surfactant modeling avoid sharp-gradient derivatives and decouple delta-function width from interface width, improving accuracy and conserving mass in two-phase flow simulations.