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Updated: Aug 8, 2026

Orientational Transition in a Liquid Crystal Triggered by the Thermodynamic Growth of Interfacial Wetting Sheets
Published on: May 15, 2017
Cascade of shocks in inertial liquid-liquid dewetting
X Noblin1, A Buguin, F Brochard-Wyart
1Institut Curie, CNRS UMR 168, 26 rue d'Ulm, Paris, 75248 France. xnoblin@oeb.harvard.edu
Abstract:
We study the inertial dewetting of water films (A) (thickness e) deposited on highly hydrophobic liquid substrates (B). On these ideal surfaces, thin films can be made which dewet at large velocities obeying under those conditions the Culick law for the bursting of soap films. The rim collecting the water film can become coupled to the surface waves characterized by a surface tension gamma(B) upstream of the rim (coated substrate) and gamma = gamma(B) downstream, where the water film has dried. Upon decreasing the thickness, we observe a sequence of two hydraulic shocks during the dewetting inducing gravity waves behind the rim, and capillary waves ahead.
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