3D Large scale Marangoni convection in liquid films

  • M. Bestehorn
  • A. Pototsky
  • U. Thiele


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.


68.15.+e Liquid thin films 47.20.Dr Surface-tension-driven instability  68.55.-a Thin film structure and morphology 


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Copyright information

© EDP Sciences, Springer-Verlag 2003

Authors and Affiliations

  1. 1.Lehrstuhl für Theoretische Physik II Brandenburgische Technische Universität CottbusCottbusGermany
  2. 2.Max-Planck-Institut für Physik komplexer SystemeDresdenGermany

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