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2-D simulation on the corona discharge of negative needle-to-plane electrodes

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6 Author(s)
Jae Hak Shim ; Mech. & Electr. Control Dept., Sunchon First Coll., Chonnam, South Korea ; Choi, Seung-Kil ; Hui Dong Hwang ; Duk Yong Ha
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The characteristics of corona discharge in needle-to-plane electrodes have been simulated by two-dimensional fluid method. It was assumed that the transport coefficients of nitrogen gas were only the function of reduced electric field. In this discharge mechanism, Townsend first ionization and a secondary electron emission were considered. The spatio-temporal distributions of electron and ion densities at three discharge steps were obtained by solving continuity equations using the flux-corrected transport algorithm. This paper also describes the effect of space charges on the electric field distribution

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Magnetics, IEEE Transactions on  (Volume:38 ,  Issue: 2 )