An Electrostatic Approach to the Numerical Simulation of Combined Corona and Electrostatic Field in Three-Electrode System
AbstractIf there are more than two electrodes in the corona field system the area occupied by the field can be divided into two regions: a region with electric flux between ionizing and non-ionizing electrodes and a region with electric flux between non-ionizing electrodes. The first region contains a distributed space charge and analysis of the field in this region must be performed by solving the system of corona field differential equations. The field in the second region is quasi-homogeneous, has no space charge and it is sufficient to solve the Laplace equation for field analysis. The subject of this paper is using of separatrix equation dividing the field area into two regions for numerical simulation of the field in the electrode system “a wire between two parallel plates”. If the equation of the separatrix is known it is easy to determine boundary conditions on this line. Results of this approach are checked by numerical solution of Laplace equation in all the field area. Ill. 2, bibl. 14, tabl. 4 (in English; abstracts in English and Lithuanian).
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