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Film coating by directional droplet spreading on fibers
Tak Shing Chan, Carmen L. Lee, Christian Pedersen +2
Plants and insects use slender conical structures to transport and collect small droplets, which are propelled along the conical structures due to capillary action. These droplets…
Droplet Migration on Conical Fibers
Clementine Fournier, Carmen Lee, Rafael Schulman +2
The spontaneous migration of droplets on conical fibers is studied experimentally by depositing silicone oil droplets onto conical glass fibers. Their motion is recorded using opti…
Mechanical properties of model colloidal mono-crystals
Jean-Christophe Ono-Dit-Biot, Pierre Soulard, Solomon Barkley +4
We investigate the elastic and yielding properties of two dimensional defect-free mono-crystals made of highly monodisperse droplets. Crystals are compressed between two parallel b…
Capillary Levelling of Immiscible Bilayer Films
Vincent Bertin, Carmen Lee, Thomas Salez +2
Flow in thin films is highly dependent on the boundary conditions. Here, we study the capillary levelling of thin bilayer films composed of two immiscible liquids. Specifically, a…
The emergence of local wrinkling or global buckling in thin freestanding bilayer films
John F. Niven, Gurkaran Chowdhry, James S. Sharp +1
Periodic wrinkling of a rigid capping layer on a deformable substrate provides a useful method for templating surface topography for a variety of novel applications. Many experimen…