Artículo
Electrohydrodynamic linear stability analysis of dielectric liquids subjected to unipolar injection in a rectangular enclosure with rigid sidewalls
Autor/es | Pérez Izquierdo, Alberto Tomás
Vázquez González, Pedro Ángel Wu, Jiam Traoré, Philippe |
Departamento | Universidad de Sevilla. Departamento de Física Aplicada III Universidad de Sevilla. Departamento de Electrónica y Electromagnetismo |
Fecha de publicación | 2014 |
Fecha de depósito | 2018-07-04 |
Publicado en |
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Resumen | We investigate the linear stability threshold of a dielectric liquid subjected to unipolar
injection in a 2D rectangular enclosure with rigid boundaries. A finite element formulation
transforms the set of linear partial ... We investigate the linear stability threshold of a dielectric liquid subjected to unipolar injection in a 2D rectangular enclosure with rigid boundaries. A finite element formulation transforms the set of linear partial differential equations that governs the system into a set of algebraic equations. The resulting system poses an eigenvalue problem. We calculate the linear stability threshold, as well as the velocity field and charge density distribution, as a function of the aspect ratio of the domain. The stability parameter as a function of the aspect ratio describes paths of symmetry-breaking bifurcation. The symmetry properties of the different linear modes determine whether these paths cross each other or not. The resulting structure has important consequences in the non-linear behavior of the system after the bifurcation points. |
Identificador del proyecto | FIS2011-25161
P10-FQM-5735 P09-FQM-4584 |
Cita | Pérez Izquierdo, A.T., Vázquez González, P.Á., Wu, J. y Traoré, P. (2014). Electrohydrodynamic linear stability analysis of dielectric liquids subjected to unipolar injection in a rectangular enclosure with rigid sidewalls. Journal of Fluid Mechanics, 758, 586-602. |
Ficheros | Tamaño | Formato | Ver | Descripción |
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2014_JournalOfFluidMechanics.pdf | 1.344Mb | [PDF] | Ver/ | |