Submicrosecond atmospheric electric discharge from the non-uniform electrode (tip) towards the plane electrode

  • Vasily Y. Kozhevnikov Institute of High Current Electronics
  • Andrey V. Kozyrev Institute of High Current Electronics
  • Aleksandr O. Kokovin Institute of High Current Electronics
  • Vladislav S. Igumnov National Research Tomsk Polytechnic University
DOI: https://doi.org/10.5937/vojtehg67-20796
Keywords: plasma, numerical simulation, atmospheric discharges,

Abstract


This paper deals with the results of a numerical simulation of the fast atmospheric pressure discharge in a strongly non-uniform configuration of a tip-to-plane diode filled with a nitrogen and oxygen mixture. The simulation is based on the advanced hydrodynamic plasma discharge accounting also gas photoionization. It was shown that, in the absence of photoionization, discharge develops similarly to the case with photoionization, except the case of reversed voltage polarity. The theoretical results correspond to the existing experimental data for the spatial discharge structure and the current/voltage discharge characteristics.

 

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Published
2019/06/12
Issue
Vol. 67 No. 3 (2019): July – September
Section
Original Scientific Papers

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