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Nonlinear Development of Interfacial Instability in a Thin Two-Layer Liquid Film in the Presence of Van-Der-Waals Interactions

A. A. Nepomnyashchy1,2, I. B. Simanovskii1
Department of Mathematics, Technion – Israel Institute of Technology, 32000, Haifa, Israel
Minerva Center for Nonlinear Physics of Complex Systems, Technion – Israel Institute of Technology, 32000, Haifa, Israel

Fluid Dynamics & Materials Processing 2008, 4(3), 185-198. https://doi.org/10.3970/fdmp.2008.004.185

Abstract

The development of instabilities under the joint action of the van der Waals forces and Marangoni stresses in a two-layer film on a heated or cooled substrate is considered. It is found that heating from below leads to the acceleration of the decomposition, decrease of the characteristic lateral size of structures, and the increase of the droplets heights. Heating from above leads to slowing down the instability rate and eventually to a complete suppression of the instability.

Cite This Article

Nepomnyashchy, A. A., Simanovskii, I. B. (2008). Nonlinear Development of Interfacial Instability in a Thin Two-Layer Liquid Film in the Presence of Van-Der-Waals Interactions. FDMP-Fluid Dynamics & Materials Processing, 4(3), 185–198.



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