Dynamic electrophoresis of droplet dispersions at low surface potentials
Resource
Journal of Colloid and Interface Science 306 (2): 421-427
Journal
Journal of Colloid and Interface Science
Journal Volume
306
Journal Issue
2
Pages
421-427
Date Issued
2007
Date
2007
Author(s)
Abstract
The dynamic electrophoresis of a dispersion of spherical droplets under conditions of low surface potential and arbitrary double-layer thickness and droplet volume fraction is analyzed. A cell model with the Shilov-Zharkikh boundary condition for the electric potential is adopted to simulate a dispersion, and the governing equations and the associated boundary conditions are solved by a pseudo-spectral method based on Chebyshev polynomials. The influence of the frequency of the applied electric field, the volume fraction of the droplets, the thickness of the double layer, and the relative magnitude of the viscosity of the droplet fluid on the electrophoretic behavior of a dispersion is discussed. © 2006 Elsevier Inc. All rights reserved.
Type
journal article
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