The Numerical Simulation of the Effect of Nonequilibrium Charged Layers on the Electrodeformation of Conductive Droplet Suspended in a Liquid Dielectric

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Abstract

Under the effect of the electric field, the shape of a conducting droplet suspended in low-conducting liquid changes until the forces acting on its surface-the surface tension forces and the Coulomb force-balance each other. Since the external fluid (dispersed medium) is a low-conducting one, the application of the electric field can lead to the emergence of non-equilibrium dissociation-recombination layers, which can affect the steadystate value of the droplet deformation significantly. The paper numerically investigates the effect of the electric field strength distortion due to charged layer formation on the electrodeformation process. It is shown that results are dependent on the value of the dimensionless parameter that determines the structure of the space charge distribution. The emergence of charged layers can increase as well as decrease the electrical deformation.

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Dobrovolskii, I. A., Chirkov, V. A., & Vasilkov, S. A. (2020). The Numerical Simulation of the Effect of Nonequilibrium Charged Layers on the Electrodeformation of Conductive Droplet Suspended in a Liquid Dielectric. In Proceedings of the 2020 IEEE 3rd International Conference on Dielectrics, ICD 2020 (pp. 517–520). Institute of Electrical and Electronics Engineers Inc. https://doi.org/10.1109/ICD46958.2020.9341936

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