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首页> 外文期刊>Journal of Physics, D. Applied Physics: A Europhysics Journal >Electrical and plasma characteristics of a quasi-steady sliding discharge
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Electrical and plasma characteristics of a quasi-steady sliding discharge

机译：准稳态滑动放电的电和等离子体特性

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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).
机译：通过将表面介电势垒与直流电晕放电组合成三电极几何形状，可在大气压下产生准稳定的滑动放电。放电沿电极的整个侧面长度（150毫米）延伸并覆盖整个电极间间隙（30毫米）。发现该放电由重复的流光组成，这些流光沿整个电极长度均匀分布，并沿电极间间隙传播，平均速度类似于2 x 10（7）cm s（-1），并且在拖缆头处的平均电场类似于120 kV cm（-1），总粒子数类似于5 x 10（8）。假设电子分布函数与电场达到平衡值，则在拖缆头处的电子温度为9 eV。对于良好发展的滑动放电方式，流注频率约为5 x 10（4）Hz，并且平均电子密度为1.5 x 10（7）cm（-3）。

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