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A numerical model of streamlines in coplanar electrodes induced by non-uniform electric field
Faculty
Science
Year:
2013
Type of Publication:
Article
Pages:
312-318
Authors:
Talaat, M, El-Zein, A
DOI:
10.1016/j.elstat.2012.12.034
Journal:
JOURNAL OF ELECTROSTATICS ELSEVIER SCIENCE BV
Volume:
71
Research Area:
Engineering
ISSN
ISI:000317800000026
Keywords :
Non-uniform electric field, Simulation model, Fluid flow, Streamlines, Coplanar electrodes, Finite Element Methods
Abstract:
A new model for investigating the non-uniform electric field and potential distribution of fluid flow and streamlines induced by non-uniform electric field with the induced charge in the electrical double layer on the electrode surfaces is presented. Accurate computation of the non-uniform electric field is a pre-requisite for observing fluid flow and streamlines. The electric field distribution is obtained from Laplace's and Neumann's equations. Finite Element Methods is adopted for this work. The simulation results has been compared with available experimental observations of the fluid flow profile obtained by superimposing images of particle movement in a plane normal to the electrode surface. A good agreement is found between the numerical and experimental streamlines. (c) 2012 Elsevier B.V. All rights reserved.
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