Abstract
The motion of fluid containing gas bubbles or incompressible particles in an electric field is considered. A new model of disperse medium in which a separate equation of motion is devised for each phase, with the presence of other phases taken into account by adding to equations terms related to interphase momentum exchange, the “multivelocity” approximation, is devised. Formulas are obtained for forces generated by discrepancies in the permittivity and conductivity of phases, which are exerted by the electric field on each phase. Formulas for phenomenological coefficients in the equations of “diffusion” and “multivelocity” models are also obtained. Derivation of the mixture energy equation is presented for the case of a multivelocity uneven-temperature medium. The physical meaning of terms appearing in the equations is explained, and the structure of equations which define the electric field effect on bubble volume is discussed.
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