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To accurately predict the breakdown voltage in air at atmospheric pressure, this paper proposes a fully coupled finite element analysis combining the hydrodynamic diffusion-drift with the Poisson's equations. The numerical approach has been successfully applied to evaluating the breakdown voltage in a parallel-plane electrode and then the effects of photoemission and background ionization on the breakdown...
Streamer is not only the prelude of leader discharge development, but also the important stage of lightning. In order to understand the influence of water droplet sizes on the initiation and growth of discharge, three kinds of mist with different size droplets are applied to study this influence. Based on the measurement of droplet sizes in three mist and directly comparative analyses of the percentages...
Glow discharge can be produced in dielectric barrier discharge (DBD) in helium containing impurities of the air at atmospheric pressure, which is usually interpreted qualitatively that "Penning ionization" lowers the gas discharge voltage, but it is the lack of experimental verification. This paper investigates the discharge in air and the effect of impurities of the air to helium DBDs at...
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