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5 papers · 1 filter
Exact solutions for viscous Marangoni spreading
T. Bickel, F. Detcheverry
When surface-active molecules are released at a liquid interface, their spreading dynamics is controlled by Marangoni flows. Though such Marangoni spreading was investigated in dif…
Mixing and unmixing induced by active camphor particles
Clément Gouiller, Florence Raynal, Laurent Maquet +4
In this experimental study, we report on the mixing properties of interfacial colloidal floaters (glass bubbles) by chemical and hydrodynamical currents generated by self-propelled…
Wave turbulence in a two-layer fluid: coupling between free surface and interface waves
Bruno Issenmann, Claude Laroche, Eric Falcon
We experimentally study gravity-capillary wave turbulence on the interface between two immiscible fluids of close density with free upper surface. We locally measure the wave heigh…
Chaotic mixing in effective compressible flows
Romain Volk, Cyril Mauger, Mickael Bourgoin +3
We study numerically joint mixing of salt and colloids by a chaotic velocity field , and how salt inhomogeneities accelerate or delay colloid mixing by inducing a veloc…
How a "pinch of salt" can tune chaotic mixing of colloidal suspensions
Julien Deseigne, Cécile Cottin-Bizonne, Abraham D. Stroock +2
Efficient mixing of colloids, particles or molecules is a central issue in many processes. It results from the complex interplay between flow deformations and molecular diffusion,…