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Axial dispersion via shear-enhanced diffusion in colloidal suspensions

Abstract:

The familiar example of Taylor dispersion of molecular solutes is extended to describe colloidal suspensions, where the fluctuations that contribute to dispersion arise from hydrodynamic interactions. The generic scheme is illustrated for a suspension of particles in a pressure-driven pipe flow, with a concentration-dependent diffusivity that captures both the shear-induced and Brownian contributions. The effect of the cross-stream migration via shear-induced diffusion is shown to dramaticall...

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Publication status:
Published

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Publisher copy:
10.1209/0295-5075/97/58005

Authors


Journal:
EPL
Volume:
97
Issue:
5
Pages:
58005-58005
Publication date:
2012-03-05
DOI:
EISSN:
1286-4854
ISSN:
0295-5075
URN:
uuid:cc13d45d-7be2-44e0-94fe-8d43d7ccc578
Source identifiers:
315424
Local pid:
pubs:315424
Language:
English

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