Departmental Papers (MEAM)

Document Type

Journal Article

Date of this Version

March 2004

Comments

Copyright (2004) American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics.
Reprinted from Physics of Fluids, Volume 16, Issue 5, pages 1217-1228.
Publisher URL: http://dx.doi.org/10.1063/1.1649237

Abstract

The dielectrophoretic forces acting on and the resulting velocities of cylindrical and spherical particles embedded in perfectly dielectric viscous fluids are calculated analytically. The fluids are confined in cylindrical/spherical shells and in semi-infinite media with prescribed potential distributions along the surfaces of the media. The forces are calculated by evaluating the Maxwell stress tensor. The velocities of the particles are obtained by solving the Stokes equation for creeping flow. The range of validity of force calculations based on the dipole-moment approximation is estimated.

Keywords

creeping flow, Navier-Stokes equations, electrophoresis

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Date Posted: 19 October 2007

This document has been peer reviewed.