CROSS-CORRELATION SPECTROSCOPY STUDY OF THE BREAKDOWN MECHANISM IN ATMOSPHERIC PRESSURE AIR TRANSIENT SPARK DISCHARGE

被引:0
|
作者
Janda, M. [1 ]
Hoder, T. [2 ]
Sarani, A. [3 ]
Brandenburg, R. [3 ]
Machala, Z. [1 ]
机构
[1] Comenius Univ, Fac Math Phys & Informat, Mlynsk Dolina F2, Bratislava 84248, Slovakia
[2] Masaryk Univ, Fac Sci, Kotlarska 2, Brno 61137, Czech Republic
[3] INP Greifswald eV, Felix Hausdorff Str 2, D-17489 Greifswald, Germany
关键词
cross-correlation spectroscopy; transient spark; breakdown mechanism;
D O I
暂无
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
A streamer-to-spark transition in a self-pulsing transient spark (TS) discharge of positive polarity in air was investigated using cross-correlation spectroscopy. The entire temporal evolution of the TS, including the primary streamer, the secondary streamer, and the transition to spark was recorded at several wavelengths of spectral bands or lines corresponding to the second positive system of N-2 (337.1 nm), the first negative system of N-2(+) (391.4 nm), and to atomic oxygen (777.1 nm) and nitrogen (746 nm). The obtained results contribute to a deeper understanding of the breakdown mechanism in air at high repetition frequencies.
引用
收藏
页码:386 / 389
页数:4
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