An Analytical Solution on Convective and Diffusive Transport of Analyte in Laminar Flow of Microfluidic Slit
Name
IMST003.pdf
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254.31 KB
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Adobe PDF
Checksum (MD5)
6ed799ce9a4c6b0ba75511d383fa41bb
Author(s)
Chen, X.
Lam, Yee Cheong
Date Issued
January 2004
Series/Report no.
Innovation in Manufacturing Systems and Technology (IMST);
Abstract
Microfluidic devices could find applications in many areas, such as BioMEMs, miniature fuel cells and microfluidic cooling of electronic circuitry. One of the important considerations of microfluidic device in analytical and bioanalytical chemistry is the dispersion of solute. In this study, we have developed an analytical solution, which considers the axial dispersion of a solute along the flow direction, to simulate convection and diffusion transport in a pressure driven creeping flow for a rectangular shape slit. During flow, the balance of competing effects of diffusion (especially cross-section diffusion) and convective diffusion in the flow direction are investigated.
Subjects
diffusion/convection transport
microfluidic
pressure-driven flow
Taylor-Aris dispersion
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