Kinetic simulation of gaseous species created by an electrical discharge in dry or humid oxygen

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Abstract
A kinetic simulation of various neutral species created by the corona effect in dry or humid oxygen is presented. The physical conditions of the pulsed electrical discharge used are: atmospheric pressure, a gas discharge channel temperature in the 200 to 800 K range and an electron density Ne=5*1015 cm-3 or 1016 cm-3 with the electron energy assumed to be larger than 5 eV. The presence of water vapour leads to a non-negligible H2O2 production. Temperature and humidity have a cumulative effect on the O3 production. With multiple pulses, the maximal O3 concentration is obtained for a finite number of pulses.