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Numerical simulation of uncharged droplets in a uniform electrical field

Abstract : The deformations of a real dielectric droplet subjected to a uniform alternating electric field and immersed in an insulating fluid are numerically studied by the Boundary Element Method. The alternating electric field time scale is taken much smaller than the hydrodynamic time scale of the droplet shape deformation. The influence of the frequency and the conductivity of the droplet upon the critical electric field, beyond which instabilities develop, are compared with the experimental measurements. Numerical results well account for experimental data while an unexpected good correspondence with Taylor's theory is found.
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https://hal.archives-ouvertes.fr/hal-00182345
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Adel Mustapha Benselama, Jean-Luc Achard, Pascale Pham. Numerical simulation of uncharged droplets in a uniform electrical field. Journal of Electrostatics, Elsevier, 2006, 64 (7-9), pp.562-658. ⟨10.1016/j.elstat.2005.10.011⟩. ⟨hal-00182345⟩

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