On the moving contact line singularity

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Abstract


Given that contact line between liquid and solid phases can move regardless how negligibly small are the surface roughness, Navier slip, liquid volatility, impurities, deviations from the Newtonian behavior, and other system- dependent parameters, the problem is treated here from the pure hydrodynamical point of view only. In this note, based on straightforward logical considerations, we would like to offer a new idea of how the moving contact line singularity can be resolved and provide support with estimates of the involved physical parameters as well as with an analytical local solution.


R. Krechetnikov

University of Alberta

Author for correspondence.
Email: krechet@ualberta.ca

Canada, Edmonton

  1. Moffatt H.K. Viscous and Resistive Eddies near a Sharp Corner // J. Fluid Mech. 1964. V. 18. P. 1–18.
  2. Huh C., Scriven L.E. Hydrodynamic Model of Steady Movement of a Solid/Liquid/Fluid Contact Line //J. Colloid Interface Sci. 1971. V. 35. P. 85–101.

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