Theoretical modeling of pulse discharge cycle in dielectric barrier discharge plasma actuator

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5 Citations (Scopus)


Simple models based on two-dimensional simulations are proposed to estimate intervals of periodically observed current pulses with a positive-going voltage in a dielectric barrier discharge plasma actuator. There are two distinct peaks in one streamer discharge; one is related to the formation of an ion cloud and the other is related to a filamentary discharge that is identified as a streamer. Simulation results show that the intervals of the current pulses depend on the slope of the applied voltage. For the ion-cloud formation phase, we model the time evolution of electron number density at the exposed electrode with ionization frequency. For the ion-cloud expansion phase, a positive ion cylinder model is proposed to estimate the electric field generated by surface charge on the dielectric. These models well reproduce the discharge intervals obtained in the numerical simulations.

Original languageEnglish
Article number07LD04
JournalJapanese journal of applied physics
Issue number7S2
Publication statusPublished - 2016

ASJC Scopus subject areas

  • Engineering(all)
  • Physics and Astronomy(all)


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