Model of electrothermal convection of an ideal dielectric in a horizontal capacitor

The behavior of a nonuniformly heated dielectric in a variable electric field of a horizontal capacitor is studied. The action of the dielectrophoretic mechanism of instability associated with the temperature dependence of the dielectric permeability is considered. The model of electroconvection of...

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Bibliographic Details
Published in:Fluid dynamics 2016-09, Vol.51 (5), p.588-594
Main Author: Il’in, V. A.
Format: Article
Language:English
Subjects:
Capacitors
Classical and Continuum Physics
Classical Mechanics
Computational fluid dynamics
Convection modes
Dielectric permeability
Dielectrics
Engineering Fluid Dynamics
Fluid- and Aerodynamics
Instability
Microgravity
Physics
Physics and Astronomy
Temperature dependence
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Summary:The behavior of a nonuniformly heated dielectric in a variable electric field of a horizontal capacitor is studied. The action of the dielectrophoretic mechanism of instability associated with the temperature dependence of the dielectric permeability is considered. The model of electroconvection of the ideal dielectric is obtained for the boundary conditions corresponding to the no-flow condition on the rigid surface. Nonlinear flow regimes are investigated in the case of microgravity. A map of the regimes is constructed.
ISSN:0015-4628
1573-8507
DOI:10.1134/S0015462816050021