Lightning initiation mechanism based on the development of relativistic runaway electron avalanches triggered by background cosmic radiation: Numerical simulation

被引：0
作者：
L. P. Babich
E. I. Bochkov
I. M. Kutsyk
机构：
[1] All-Russian Research Institute of Experimental Physics,Russian Federal Nuclear Center
来源：
Journal of Experimental and Theoretical Physics | 2011年 / 112卷
关键词：
Background Cosmic Radiation; Runaway Electron; Lightning Discharge; Lightning Flash; Electric Field Enhancement;
D O I：
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中图分类号：
学科分类号：
摘要：
The mechanism of lightning initiation due to electric field enhancement by the polarization of a conducting channel produced by relativistic runaway electron avalanches triggered by background cosmic radiation has been simulated numerically. It is shown that the fields at which the start of a lightning leader is possible even in the absence of precipitations are locally realized for realistic thundercloud configurations and charges. The computational results agree with the in-situ observations of penetrating radiation enhancement in thunderclouds.
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页码：902 / 909
页数：7
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