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Author (up) Hemmerle, A.; Froehlicher, G.; Bergeron, V.; Charitat, T.; Farago, J. doi  openurl
  Title Worm-like instability of a vibrated sessile drop Type Journal Article
  Year 2015 Publication Epl Abbreviated Journal  
  Volume 111 Issue 2 Pages  
  Abstract We study the effects of vertical sinusoidal vibrations on a liquid droplet with a low surface tension (ethanol) deposited on a solid substrate. In a precise range of amplitudes and frequencies, the drop exhibits a dramatic worm-like shape instability with a strong symmetry breaking, comparable to the one observed by Pucci et al. (Phys. Rev. Lett., 106 (2011) 024503) on a vibrated floating lens. However, the geometry of our system is much simpler since it does not involve the oscillation and deformation of a liquid-liquid-air contact line. We show that the Faraday waves appearing on the surface of the droplet control its shape and we draw a systematic phase diagram of the instability. A simple theoretical model allows us to derive a relation between the elongation of the droplet and the amplitude of the Faraday wave, in good agreement with measurements of both quantities. Copyright (C) EPLA, 2015  
  Corporate Author Thesis  
  Publisher Place of Publication Editor  
  Language Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0295-5075 ISBN Medium mcube  
  Area Expedition Conference  
  Notes Times Cited: 1011286-4854 Approved no  
  Call Number Admin @ benzerara @ Hemmerle2015 Serial 13859  
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