The changes on physical characteristics of lightning discharge plasma during individual return stroke process
刊物全称
Physics of Plasms
论文作者
He Xu,Ping Yuan,Jian-Yong Cen,Guang-Shu Zhang
发表年度
2014
刊物类别
SCI
卷
21
期
3
页码
33512
影响因子
0.626
通讯作者
Xu, H
关键词
NM, Diagnostics, spectra, Region
摘要
A cloud-to-ground lightning with six return strokes has been recorded with a slit-less spectrograph in Qinghai province. According to the spectra of return strokes without continuous current, the electron density, the channel temperature, and the gas pressure have been calculated. Then, the correlativity of these parameters has been analyzed. The results indicate that the total intensity of spectra is positive correlated to the intensity of spectral line, they both decrease with time rapidly; furthermore, the channel temperature and the gas pressure decrease with time slowly in the similar trends. (C) 2014 AIP Publishing LLC.
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