COMPUTATIONS OF ELECTROMAGNETIC FIELDS RADIATED FROM COMPLEX LIGHTNING CHANNELS | Zendy

Ting-Xin Song | Zendy; Liu Yao-he | Zendy; Jian-Min Xiong | Zendy

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COMPUTATIONS OF ELECTROMAGNETIC FIELDS RADIATED FROM COMPLEX LIGHTNING CHANNELS

Author(s) -

Ting-Xin Song,

Liu Yao-he,

Jian-Min Xiong

Publication year - 2007

Publication title -

electromagnetic waves

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.437

H-Index - 89

eISSN - 1559-8985

pISSN - 1070-4698

DOI - 10.2528/pier07032501

Subject(s) - lightning (connector) , electromagnetic field , computation , lightning strike , physics , acoustics , electrical engineering , computer science , meteorology , engineering , algorithm , thunderstorm , power (physics) , quantum mechanics

In this paper, three methods for calculating electromag- netic fields radiated from complex lightning channels are discussed, which includes channel obliqueness, branches and tortuosity. By ro- tating and moving the coordinate system of the vertical channel, differ- ential expressions of electromagnetic fields from the irregular channel can be derived from the conclusions of the straight and vertical chan- nel. Through analyzing calculation results of two examples reveals that channel tortuosity and branch is to introduce the higher frequency con- tent above 100 kHz into lightning electromagnetic fields.

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