Electromagnetic Analysis for Lightning Propagation in Lossy Soil by Using FDTD

机译：利用FDTD进行有损土壤雷电传播的电磁分析

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When the lightning electromagnetic pulse (LEMP) injected into the loss soil by earth electrodes, due to the strong electric field carried by the lightning, the soil ionization may occur. The ionization phenomena will not only affect the distribution of the LEMP, but also affect the soil properties, such as conductivity.Based on finite difference time domain (FDTD) method, the non linear effects of soil ionization under different parameters of LEMP and the soil properties is investigated.Results show the distribution and attenuation of LEMP. The evolution of the soil properties is discussed also.

机译：当接地电极将雷电电磁脉冲（LEMP）注入损失的土壤时，由于雷电携带的强电场，可能会发生土壤电离。电离现象不仅会影响LEMP的分布，还会影响土壤的电导率等特性。基于时域有限差分法（FDTD），研究了LEMP和土壤参数对土壤电离的非线性影响。结果表明LEMP的分布和衰减。还讨论了土壤特性的演变。

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来源
《2011 7th Asia-Pacific International Conference on Lightning》|2011年|1-4|共4页
会议地点 Chengdu(CN)
作者
Tao Tang; Xiu-bin Sun; Kun Liu; Zai-hua Guo; Dingjun Chen;
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作者单位

Electronic Engineering CollegeChengdu University of Information TechnologyChengdu 610225,China;

Electronic Engineering CollegeChengdu University of Information TechnologyChengdu 610225,China;

Electronic Engineering CollegeChengdu University of Information TechnologyChengdu 610225,China;

Electronic Engineering CollegeChengdu University of Information TechnologyChengdu 610225,China;

Key Laboratory of Numerical Simulation of Sichuan Province Neijiang Normal University Neijiang,Sichuan 641112,China;

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会议组织
原文格式 PDF
正文语种 eng
中图分类大气电现象（大气电学）;
关键词
LEMP; propagation; Lossy Soil; FDTD;

机译：LEMP;繁殖;松散土壤; FDTD;

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2. Propagation of a lightning electromagnetic disturbance over the lossy ground [J] . Mariusz GAMRACKI Pomiary Automatyka Kontrola . 2015,第3期

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3. An Efficient Approach for Modeling Semi-infinite Lossy Ground in Electromagnetic Scattering Problem using FDTD Analysis [J] . Takuji ARIMA, Soichi WATANABE, Toru UNO 電子情報通信学会技術研究報告 . 2009,第475期

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4. Electromagnetic analysis for lightning propagation in lossy soil by using FDTD [C] . Tang Tao, Sun Xiu-bin, Liu Kun, 2011 7th Asia-Pacific International Conference on Lightning . 2011

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5. Three dimensional electromagnetic FDTD simulation of general lossy structures with nonuniform grid spacing. [D] . Falconer, Maynard Carver. 1997

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6. Criticality Analysis of the Lower Ionosphere Perturbations Prior to the 2016 Kumamoto (Japan) Earthquakes as Based on VLF Electromagnetic Wave Propagation Data Observed at Multiple Stations [O] . Stelios M. Potirakis, Tomokazu Asano, Masashi Hayakawa 2018

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7. ADE-FDTD method for study of two-dimensional electromagnetic wave propagation in lossy lorentz medium [O] . Bingkang Chen 2020

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Electromagnetic Analysis for Lightning Propagation in Lossy Soil by Using FDTD

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