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Journal Article | PreJuSER-10048 |
;
2010
EDP Sciences
Les Ulis
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Please use a persistent id in citations: http://hdl.handle.net/2128/22973 doi:10.1209/0295-5075/92/64003
Abstract: Non-equilibrium structure formation and conversion of spinning to translational motion of magnetic colloids driven by an external rotating magnetic field in microchannels is studied by particle-based mesoscale hydrodynamics simulations. For straight channels, laning is found. In ring channels, the channel curvature breaks symmetry and leads to a net fluid transport around the annulus with the same rotational direction as the colloidal spinning direction. The dependence of the translational velocity on channel width, ring radius, colloid concentration, and thermal motion is predicted. Copyright (C) EPLA, 2010
Keyword(s): J
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