3D Large scale Marangoni convection in liquid films

M. Bestehorn (), A. Pototsky and U. Thiele

The European Physical Journal B: Condensed Matter and Complex Systems, 2003, vol. 33, issue 4, 457-467

Abstract: We study large scale surface deformations of a liquid film unstable due to the Marangoni effect caused by external heating on a smooth and solid substrate. The work is based on the thin film equation which can be derived from the basic hydrodynamic equations. To prevent rupture, a repelling disjoining pressure is included which accounts for the stabilization of a thin precursor film and so prevents the occurrence of completely dry regions. Linear stability analysis, nonlinear stationary solutions, as well as three-dimensional time dependent numerical solutions for horizontal and inclined substrates reveal a rich scenario of possible structures for several realistic fluid parameters. Copyright EDP Sciences, Springer-Verlag 2003

Keywords: 68.15.+e Liquid thin films; 47.20.Dr Surface-tension-driven instability; 68.55.-a Thin film structure and morphology (search for similar items in EconPapers)
Date: 2003
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DOI: 10.1140/epjb/e2003-00186-3

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