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- Maria L Ekiel-Jezewska, Eligiusz Wajnryb, Jerzy Bławzdziewicz, François Feuillebois
- The Journal of chemical physics
- 2008

Lubrication expressions for the friction coefficients of a spherical particle moving in a fluid between and along two parallel solid walls are explicitly evaluated in the low-Reynolds-number regime. They are used to determine lubrication expression for the particle free motion under an ambient Poiseuille flow. The range of validity and the accuracy of the… (More)

- François Feuillebois, Martin Z Bazant, Olga I Vinogradova
- Physical review letters
- 2009

Superhydrophobic surfaces reduce drag by combining hydrophobicity and roughness to trap gas bubbles in a microscopic texture. Recent work has focused on specific cases, such as arrays of pillars or grooves, with limited theoretical guidance. Here, we consider the experimentally relevant limit of thin channels and obtain rigorous bounds on the effective slip… (More)

- François Feuillebois, Maria L Ekiel-Jeżewska, Eligiusz Wajnryb, Antoine Sellier, Jerzy Bławzdziewicz
- 2015

A general expression for the effective viscosity of a dilute suspension of arbitrary-shaped particles in linear shear flow between two parallel walls is derived in terms of the induced stresslets on particles. This formula is applied to N-bead rods and to prolate spheroids with the same length, aspect ratio and volume. The effective viscosity of… (More)

- François Feuillebois, Martin Z Bazant, Olga I Vinogradova
- Physical review. E, Statistical, nonlinear, and…
- 2010

We provide some general theoretical results to guide the optimization of transverse hydrodynamic phenomena in superhydrophobic channels. Our focus is on the canonical micro- and nanofluidic geometry of a parallel-plate channel with an arbitrary two-component (low-slip and high-slip) coarse texture, varying on scales larger than the channel thickness. By… (More)

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