期刊
JOURNAL OF PHYSICS D-APPLIED PHYSICS
卷 41, 期 3, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/0022-3727/41/3/035202
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A quasi-steady sliding discharge at atmospheric pressure is generated by combining a surface dielectric barrier together with a DC corona discharge in a three-electrode geometry. The discharge extends along the whole side-length of the electrodes (150 mm) and covers the full inter-electrode gap (30 mm). It is found that this discharge is composed of repetitive streamers that are uniformly distributed along the whole electrode length and that propagate along the inter-electrode gap with an average velocity of similar to 2 x 10(7) cm s(-1), and with an average electric field of similar to 120 kV cm(-1) and a total particle number of similar to 5 x 10(8) at the streamer head. Assuming that the electron distribution function reaches an equilibrium value with the electric field, an electron temperature of 9 eV at the streamer head is obtained. The streamer frequency is around 5 x 10(4) Hz for a well-developed sliding discharge regime, and the time-averaged electron density amounts to 1.5 x 10(7) cm(-3).
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