Abstract
A general system of equations for a corona discharge has been derived and reduced to a dimensionless form using the methods of the similarity and dimension theory. Criteria and conditions for the similarity of the processes occurring during a corona discharge have been determined. Formulas for free space-charge density have been derived; the classical structure of the current-voltage characteristic for an arbitrary system of electrodes has been confirmed by different methods: using the theory of similarity, analyzing self-similar solutions, approximating the field distribution, and averaging the equation for the current density with respect to the volume of the interelectrode gap. It has been shown that the quadratic pattern of the current-voltage characteristics of the corona discharge results from the linear dependence of the electric field intensity and the linear threshold dependence of the density of free space carriers on the voltage.
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Original Russian Text © F.P. Grosu, An.M. Bologa, M.K. Bologa, O.V. Motorin, 2014, published in Elektronnaya Obrabotka Materialov, 2014, No. 2, pp. 41–48.
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Grosu, F.P., Bologa, A.M., Bologa, M.K. et al. On the simulation of a corona discharge by the similarity theory methods. Surf. Engin. Appl.Electrochem. 50, 141–148 (2014). https://doi.org/10.3103/S1068375514020057
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DOI: https://doi.org/10.3103/S1068375514020057