Experimental Study of Nanosecond Repetitively Pulsed Discharges in Water Vapor

F. P. Sainct1,2, D. A. Lacoste1,2, M. J. Kirkpatrick3, E. Odic3, and C.O. Laux1,2

1CNRS UPR 288, Laboratoire E.M2.C., France
2Ecole Centrale Paris, France
3SUPELEC — E3S Department of Power and Energy Systems, France

Abstract— Experimental study of a Nanosecond Repetitively Pulsed (NRP) discharge in atmospheric pressure water vapor at 450K is reported. The discharge is produced between two pin electrodes by application of voltage pulses (0-15 kV amplitude), 10 ns in duration, with a repetition frequency up to 30 kHz. Electrical measurements were done to determine the energy deposited in the discharge. The energy per pulse ranges from 1 to 10 mJ. In order to determine the efficiency of water vapor dissociation, the concentration of the final reaction products (H2 and O2) and their respective flow rates were measured.

Keywords— NRP discharge, atmospheric pressure, water vapor dissociation



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