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Estimation of inhomogeneous zeta potential using velocity measurements of EOF
Authors:Park Hung Mok  Lee Jun Suk
Affiliation:Department of Chemical and Biomolecular Engineering, Sogang University, Seoul, South Korea. hmpark@sogang.ac.kr
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.
Keywords:EOF  Inhomogeneous zeta potential
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