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Effect of transient pinning on stability of drops sitting on an inclined plane

Viatcheslav V. Berejnov·Robert E. Thorne
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Abstract

We report on new instabilities of the quasi-static equilibrium of water drops pinned by a hydrophobic inclined substrate. The contact line of a statically pinned drop exhibits three transitions of partial depinning: depinning of the advancing and receding parts of the contact line and depinning of the entire contact line leading to the drop's translational motion. We find a region of parameters where the classical Macdougall-Ockrent-Frenkel approach fails to estimate the critical volume of the statically pinned inclined drop.

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Viatcheslav V. Berejnov, Robert E. Thorne. 2006-09-23. Effect of transient pinning on stability of drops sitting on an inclined plane. https://doi.org/10.1103/physreve.75.066308

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