Wetting on nanorough surfaces |
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Authors: | Biben T Joly L |
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Institution: | Université de Lyon, F-69000, France. |
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Abstract: | We present in this Letter a free-energy approach to the dynamics of a fluid near a nanostructured surface. The model accounts both for the static phase equilibrium in the vicinity of the surface (wetting angles, Cassie-Wenzel transition) and the dynamical properties like liquid slippage at the boundary. This method bridges the gap between phenomenological phase-field approaches and more macroscopic lattice-Boltzmann models. |
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