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Estimation of inhomogeneous zeta potential using velocity measurements of EOF

✍ Scribed by Hung Mok Park; Jun Suk Lee

Publisher
John Wiley and Sons
Year
2007
Tongue
English
Weight
541 KB
Volume
28
Category
Article
ISSN
0173-0835

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✦ Synopsis

Abstract

We have developed a method of estimating the zeta potential distribution along the microchannel wall using velocity measurements of the EOF. The relevant inverse problem is solved through the minimization of a performance function utilizing the conjugate gradient method. Employing a set of simulated velocity measurements, which is constructed by adding random noise to the computed exact velocity, the present method is found to estimate the distribution of the zeta potential along the channel wall with reasonable accuracy.

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