Taylor dispersion of colloidal particles in narrow channels

J. Sane, J.T. Padding, A.A. Louis

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4 Citations (Scopus)
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Special issue in Honor of Jean-Pierre Hansen We use a mesoscopic particle-based simulation technique to study the classic convection-diffusion problem of Taylor dispersion for colloidal discs in confined flow. When the disc diameter becomes non-negligible compared to the diameter of the pipe, there are important corrections to the original Taylor picture. For example, the colloids can flow more rapidly than the underlying fluid, and their Taylor dispersion coefficient is decreased. For narrow pipes, there are also further hydrodynamic wall effects. The long-time tails in the velocity autocorrelation functions are altered by the Poiseuille flow.
Original languageEnglish
Pages (from-to)2538-2545
JournalMolecular Physics
Issue number17-198
Publication statusPublished - 2015


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