Effect of the Mobility Parameter on the Oscillatory Electroconvection of Dielectric Liquids Subject to Strong Unipolar Charge Injection - Archive ouverte HAL Accéder directement au contenu
Article Dans Une Revue IEEE Transactions on Industry Applications Année : 2014

Effect of the Mobility Parameter on the Oscillatory Electroconvection of Dielectric Liquids Subject to Strong Unipolar Charge Injection

Résumé

Two-dimensional numerical calculations were carried out for the isothermal electroconvection in a dielectric liquid induced by the unipolar charge injection. In the dimensionless form, the system is mainly governed by the injection strength number C, the electric Rayleigh number T, and a mobility number M. A strong injection case with C = 10 was considered. Along with the increase in driving parameter T, oscillatory electroconvection occurs. Critical values of T corresponding to the onset of such oscillatory convection were shown to be highly dependent on M and were accurately determined. Some precautions, including the algorithm for the charge density equation, were taken to reduce the numerical diffusion and to ensure the reliability of our findings.
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hal-03615000 , version 1 (21-03-2022)

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Jian Wu, Philippe Traore, Christophe Louste, Lucian Dascalescu, Fang-Bao Tian, et al.. Effect of the Mobility Parameter on the Oscillatory Electroconvection of Dielectric Liquids Subject to Strong Unipolar Charge Injection. IEEE Transactions on Industry Applications, 2014, 50 (4), pp.2306-2313. ⟨10.1109/TIA.2014.2301872⟩. ⟨hal-03615000⟩
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