Journal
OIL & GAS SCIENCE AND TECHNOLOGY-REVUE D IFP ENERGIES NOUVELLES
Volume 56, Issue 1, Pages 77-81Publisher
EDITIONS TECHNIP
DOI: 10.2516/ogst:2001009
Keywords
line tension; static wetting; relaxation
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Adding simply, in the classical capillary model, a constant line density of energy along the contact line leads to ill-posed equilibrium problems. Then, when line tension is present, the equilibrium configuration minimizes a different energy: the relaxed energy,, which explicitly depends on the presence of surface phases (i.e. infinitesimal films) on the boundary of the container. This formulation enables its to describe the modifications of the Young's law and then of equilibrium configurations which are due to line tension.
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