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The stability of a horizontal interface between air and an insulating liquid subjected to charge injection

 

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Opened Access The stability of a horizontal interface between air and an insulating liquid subjected to charge injection
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Author: Chicón, Rafael
Pérez Izquierdo, Alberto Tomás
Department: Universidad de Sevilla. Departamento de Electrónica y Electromagnetismo
Date: 2014
Document type: Article
Abstract: This paper presents the linear stability analysis of an interface between air and an insulating liquid subjected to a perpendicular electric field, in the presence of unipolar injection of charge. Depending on the characteristics of the liquid and the depth of the liquid layer two different instability thresholds may be found. One of them is characterized by a wavelength of the order of the liquid layer thickness and corresponds to the well-known volume instability of a liquid layer subjected to charge injection. The other one is characterized by a wavelength some ten times the liquid layer thickness and corresponds to the so-called rose-window instability, an instability associated to the balance of surface stresses.
Size: 286.2Kb
Format: PDF

URI: http://hdl.handle.net/11441/61494

DOI: 10.1063/1.4868365

This work is under a Creative Commons License: 
Attribution-NonCommercial-NoDerivatives 4.0 Internacional

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