Models of anisotropically polarizable suspensions with irreversible processes: Anisotropy relaxation,dielectrophoresis, and electroviscous flows |
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Authors: | N L Vasil’eva L T Chernyi |
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Institution: | 1.Research Institute of Mechanics,Moscow State University,Moscow,Russia |
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Abstract: | We consider media consisting of an anisotropically polarizable particle of a disperse phase and a nonconducting liquid carrier
phase. The particles exhibit easy axis or easy plane anisotropy. A complete electrohydrodynamic model describing the motion
of the medium in an electric field is constructed with allowance for irreversible processes. The laws determining the polarization
of the medium, dielectrophoresis of particles, and anisotropy relaxation are determined. Expressions are derived for the kinetic
coefficients appearing in these laws and the expression for the free energy of the medium. The dependence of the effective
viscosity on the electric field strength is determined for a flow in narrow channels. |
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