Charge of a Particle-Absorbing Sphere in Collisionless Plasma by the Results of a Direct Numerical Experiment
- 作者: Krasovsky V.1, Kiselyov A.1
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隶属关系:
- Space Research Institute, Russian Academy of Sciences
- 期: 卷 44, 编号 12 (2018)
- 页面: 1135-1139
- 栏目: Space Plasma
- URL: https://journals.rcsi.science/1063-780X/article/view/187011
- DOI: https://doi.org/10.1134/S1063780X18120048
- ID: 187011
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详细
The process of charging of a spherical body absorbing plasma electrons and ions is modeled by directly solving the Vlasov–Poisson equations. The main goal of the numerical experiment is to determine the sphere charge in a stable steady state established on long times in perturbed plasma. Special attention is paid to the contribution of trapped ions moving in finite orbits to the screening of a charged body. The charge of the trapped particle cloud is determined as a function of the body size in a wide parameter range of an initially unperturbed plasma.
作者简介
V. Krasovsky
Space Research Institute, Russian Academy of Sciences
编辑信件的主要联系方式.
Email: vkrasov@iki.rssi.ru
俄罗斯联邦, Moscow, 117997
A. Kiselyov
Space Research Institute, Russian Academy of Sciences
编辑信件的主要联系方式.
Email: alexander.kiselyov@stonehenge-3.net.ru
俄罗斯联邦, Moscow, 117997