Dynamics of induction charging for multiple particle agglomerations with a thin conducting surface layer |
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Authors: | Bassem F Nader GS Peter Castle Kazimierz Adamiak |
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Institution: | Dept. of Electrical and Computer Eng., Univ. of Western Ontario, London, Ontario, Canada N6H 3A5 |
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Abstract: | In electrostatic applications, particles are typically stacked in an arbitrary array. In this paper, multiple particle agglomerations with a finite volume conductivity, surface conductivity and permittivity have been simulated. Upon exposure to the electric field, electric shielding can occur due to the proximity of other particles, which greatly reduces the maximum accumulated charge and affects the charging time. All results have been obtained using the COMSOL commercial software. The simulation results show that shielding the electric field from a given particle reduces its saturation charge and the rate of charge accumulation was mainly affected by the volume and surface conductivities. |
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