Surface forces and wetting features in drops and capillaries
journal contributionposted on 18.07.2017 by M.G. Velarde, Victor Starov
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Using the DLVO (Derjaguin, Landau, Verwey, Overbeek) theory, which accounts for quantum mechanics and electrostatics at the macroscopic level, the thermodynamic expressions for (thermodynamic) equilibrium contact angles of drops on solid substrates and menisci in solid wall capillaries are, operationally and unambiguously, expressed in terms of the corresponding Derjaguin pressure. The latter’s S-shape is responsible for microdrops and other phenomena appearing on flat solid substrates.
This research was supported by the EU under Grant MULTIFLOW, FP7-ITN-2008-214919.
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