Influence of Slip on the Rayleigh-Plateau Rim Instability in Dewetting Viscous Films

Oliver Bäumchen, Ludovic Marquant, Ralf Blossey, Andreas Münch, Barbara Wagner, and Karin Jacobs
Phys. Rev. Lett. 113, 014501 – Published 2 July 2014
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Abstract

A dewetting viscous film develops a characteristic fluid rim at its receding edge due to mass conservation. In the course of the dewetting process, the rim becomes unstable via an instability of Rayleigh-Plateau type. An important difference exists between this classic instability of a liquid column and the rim instability in a thin film as the growth of the rim is continuously fueled by the receding film. We explain how the development and macroscopic morphology of the rim instability are controlled by the slip of the film on the substrate. A single thin-film model captures quantitatively the characteristics of the complete evolution of the rim observed in the experiments.

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  • Received 11 October 2013

DOI:https://doi.org/10.1103/PhysRevLett.113.014501

© 2014 American Physical Society

Authors & Affiliations

Oliver Bäumchen1,†, Ludovic Marquant1, Ralf Blossey2, Andreas Münch3, Barbara Wagner4, and Karin Jacobs1,*

  • 1Saarland University, Department of Experimental Physics, Campus, D-66123 Saarbrücken, Germany
  • 2Interdisciplinary Research Institute (IRI), CNRS USR 3078, 59658 Villeneuve d’Ascq, France
  • 3Mathematical Institute, University of Oxford, Oxford OX2 6GG, United Kingdom
  • 4Technical University of Berlin, Institute for Mathematics, D-10623 Berlin, Germany

  • *k.jacobs@physik.uni-saarland.de
  • Present address: Max Planck Institute for Dynamics and Self-Organization (MPIDS), 37077 Göttingen, Germany.

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Issue

Vol. 113, Iss. 1 — 4 July 2014

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