Taylor dispersion in shallow micro-channels: aspect ratio effect

We consider the axial dispersion of a liquid flowing through a micro-channel, which has a slender shallow cross-section. A lubrication approximation allows for an analytical analysis of the effect of cross-section and aspect ratio on the dispersion process. Numerical simulations are performed in ord...

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Bibliographic Details
Published in:Microfluidics and nanofluidics 2009-07, Vol.7 (1), p.91-95
Main Author: Vikhansky, A.
Format: Article
Language:English
Subjects:
Analytical Chemistry
Applied fluid mechanics
Biomedical Engineering and Bioengineering
Cross-sections
Engineering
Engineering Fluid Dynamics
Exact sciences and technology
Fluid dynamics
Fluidics
Fundamental areas of phenomenology (including applications)
Nanotechnology and Microengineering
Physics
Research Paper
Studies
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Summary:We consider the axial dispersion of a liquid flowing through a micro-channel, which has a slender shallow cross-section. A lubrication approximation allows for an analytical analysis of the effect of cross-section and aspect ratio on the dispersion process. Numerical simulations are performed in order to verify the approximate solution.
ISSN:1613-4982
1613-4990
DOI:10.1007/s10404-008-0366-5