Eur. Phys. J. Appl. Phys.
Volume 78, Number 2, May 2017
The 15th International Symposium on High Pressure Low Temperature Plasma Chemistry (HAKONE XV)
|Number of page(s)||7|
|Section||Plasma, Discharges and Processes|
|Published online||19 May 2017|
Effect of voltage amplitude on gas density variation in an atmospheric pressure streamer discharge*
Department of Electrical Engineering, Tohoku University, 6-6-05, Aramaki Aza Aoba, Aoba-ku, Sendai, Miyagi 980-8579, Japan
a e-mail: email@example.com
Revised: 2 March 2017
Accepted: 18 April 2017
Published online: 19 May 2017
Gas density variation in an atmospheric-pressure streamer discharge was visualized using the Schlieren method and was simulated by a two-dimensional axisymmetric simulation. The Schlieren images visualized the occurrence of shock waves and decrease in the gas density after the discharge. The axial distribution of the gas density was compared between experimental and simulation models, and we found that the two were in good agreement. Additionally, this paper discusses the effect of the pulse voltage amplitude on the decrease in the gas density. Our simulation results show that the pulse voltage amplitude affects the ratio of energy loss fractions of electrons by electron-impact collision processes.
© EDP Sciences, 2017
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