An improved phase-field-based lattice Boltzmann model for droplet dynamics with soluble surfactant

•The phase-field lattice Boltzmann model is improved to simulate two-phase flows with soluble surfactant.•The two-phase interfacial profile is independent of surfactant concentration in the model.•The surfactant can promote droplet deformation and accelerate the droplet breakup.•The surfactant leads...

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Veröffentlicht in:	Computers & fluids 2019-01, Vol.179, p.508-520
Hauptverfasser:	Shi, Y., Tang, G.H., Cheng, L.H., Shuang, H.Q.
Format:	Artikel
Sprache:	eng
Schlagworte:	Binary fluids Deformation effects Droplets Free energy Immiscible binary fluid Lattice Boltzmann method Peclet number Phase-field model Shear flow Soluble surfactant Surfactants Viscosity Viscosity ratio
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