Volume 75, Number 1, July 2006
|Page(s)||112 - 118|
|Section||Condensed matter: structural, mechanical and thermal properties|
|Published online||31 May 2006|
Soret effect in thin liquid films: Localized running drops, holes and stripes
Department of Theoretical Physics II, Brandenburg University of Technology Erich-Weinert-Strasse 1, 03046-Cottbus, Germany
2 “Alexandru Ioan Cuza” University, Faculty of Physics Department of Solid State & Theoretical Physics Blvd. Carol I, 11, 700506-Iasi, Romania
Accepted: 10 May 2006
We examine oscillatory instabilities occurring in a thin liquid film of a binary mixture with large lateral extension. The theoretical model is based on the long-wave approximation for thin films. Linear stability analysis is performed in order to predict the film behavior at onset. Applying 2D and 3D nonlinear simulations soliton-like structures are observed in the oscillatory regime.
PACS: 68.15.+e – Liquid thin films / 47.54.-r – Fluid dynamics: Pattern selection, pattern formation / 64.75.+g – Solubility, segregation, and mixing; phase separation
© EDP Sciences, 2006
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