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Nonuniform Slip Effect in Wetting Films

Department of Physical Chemistry, University of Sofia, 1164 Sofia, Bulgaria
Coatings 2020, 10(6), 597;
Received: 26 May 2020 / Revised: 19 June 2020 / Accepted: 23 June 2020 / Published: 25 June 2020
The slip effect in wetting films is theoretically studied, and a nonlinear dependence of the hydrodynamic velocity on the slip length is discovered. It is demonstrated that the hydrodynamic flow is essentially affected by the presence of a nonuniform slip length distribution, leading also to enhancement of the energy dissipation in the films. This effect could dramatically slow the usually quick hydrodynamic flows over superhydrophobic surfaces, for instance. View Full-Text
Keywords: nonlinear slip effect; nonuniform surfaces; wetting films; Reynolds hydrodynamics nonlinear slip effect; nonuniform surfaces; wetting films; Reynolds hydrodynamics
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Tsekov, R. Nonuniform Slip Effect in Wetting Films. Coatings 2020, 10, 597.

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