Abstract
In this article, an experimental study of a corona discharge generated with a tip-plane geometry and negative polarity in air at atmospheric pressure, is presented. The effects of the active electrode material and its curvature radius on the characteristics of the corona discharge are studied. Two different materials, aluminum and copper, are used to produce active electrodes. The current–voltage characteristics show a greater intensity of the current for the aluminum electrodes as compared to the copper ones. On another side, the current is greater with the tip having the smallest curvature radius. The current–voltage characteristics have a shape well approximated by a parabolic equation. Trichel pulses are more regular for aluminum electrodes than for the copper ones. Eventually, the use of aluminum electrodes to have a stronger regular discharge would be better to make a cold plasma reactor.
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M’hand Mekious, Megherbi, M., Bitam-Megherbi, F. et al. Active Electrode Material Influence on the Characteristics of Corona Discharge Reactor at Atmospheric Pressure. Russ. Electr. Engin. 93, 277–283 (2022). https://doi.org/10.3103/S1068371222040095
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DOI: https://doi.org/10.3103/S1068371222040095