Abstract

A theoretical model of electrohydrodynamic prebreakdown phenomena in slightly ionized (weakly conductive) media is proposed. The electric high voltage conduction of weakly conductive liquids and slightly ionized gases in intense electric fields using this model is considered. The formula for the calculations of volt-ampere characteristics under high voltage spherical capacitor field is analytically obtained. The experimental corona discharge volt-ampere characteristics of slightly ionized gas are presented. Theoretical and experimental results are compared. These results may be applied to the analysis of electrohydrodynamic and electrogasdynamic media flow from thin high voltage axis symmetrical electrodes.

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