Moving contact line dynamics: from diffuse to sharp interfaces

@article{Kusumaatmaja2016MovingCL,
  title={Moving contact line dynamics: from diffuse to sharp interfaces},
  author={H. Kusumaatmaja and E. J. Hemingway and S. Fielding},
  journal={Journal of Fluid Mechanics},
  year={2016},
  volume={788},
  pages={209-227}
}
  • H. Kusumaatmaja, E. J. Hemingway, S. Fielding
  • Published 2016
  • Physics
  • Journal of Fluid Mechanics
  • We reconcile two scaling laws that have been proposed in the literature for the slip length associated with a moving contact line in diffuse interface models, by demonstrating each to apply in a different regime of the ratio of the microscopic interfacial width $l$ and the macroscopic diffusive length $l_{D}=(M{\it\eta})^{1/2}$ , where ${\it\eta}$ is the fluid viscosity and $M$ the mobility governing intermolecular diffusion. For small $l_{D}/l$ we find a diffuse interface regime in which… CONTINUE READING
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