A Finite-Difference Time-Domain Formulation for Modeling Air Ionization Breakdown Streamers

被引：3
作者：
de Oliveira R.M.S. [1 ]
Nascimento J.S. [1 ]
Fujiyoshi D.M. [1 ]
de Lima T.S. [1 ]
Sena A.J.C. [1 ]
机构：
[1] Federal University of Para (UFPA), Para, Belem
来源：
Journal of Microwaves, Optoelectronics and Electromagnetic Applications | 2022年 / 12卷 / 03期
关键词：
Air Ionization; Discharge Streamer; FDTD method; Plasma Channels;
D O I：
10.1590/2179-10742022v21i3259333
中图分类号：
学科分类号：
摘要：
A numerical model based on the finite-difference timedomain (FDTD) method is developed for calculating discharge currents and fields produced due air ionization between two electrodes. Electric conductivity σ of the ionized channel between two electrodes is calculated using non-linear equations, i.e., σ is obtained using functions of time. The functions for calculating σ are adapted and proposed in this work for each stage of the plasma formation and disrupting processes. The proposed numerical model is validated by making comparisons among the obtained FDTD results and experimental data published in literature. In order to perform the validation procedures, an experimental setup from literature is numerically reproduced using the proposed FDTD methodology. © 2022 SBMO/SBMag.
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页码：427 / 444
页数：17
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