High Power Laser and Particle Beams, Volume. 36, Issue 1, 014002(2024)
Numerical simulation on spacecraft chargingdue to electron beam emission
Figures & Tables(5)
Fig. 2. Schematic diagram of negative potential charging (slowing down)
Fig. 3. Schematic diagram of the initial positive potential spacecraft charging balance potential with the emitted current
Fig. 4. GEO spacecraft potential
Table 1. Environmental particle flow of a spherical spacecraft with a radius of 1m vs spacecraft potential (assuming that the ion is proton)
View tableView in ArticleTable 1. Environmental particle flow of a spherical spacecraft with a radius of 1m vs spacecraft potential (assuming that the ion is proton)
spacecraft potential/kV environmental electron current density/(A·m−2) environmental electron current/µA environmental ion current density/(A·m−2) environmental ion current/µA −1000 ～0 0 $ {\text{2}}{\text{.1}} \times {\text{1}}{{\text{0}}^{ - 4}} $ 670.00 −100 ～0 0 $ {\text{2}}{\text{.1}} \times {\text{1}}{{\text{0}}^{ - {\text{5}}}} $ 67.60 −10 $ {\text{7}}{\text{.2}} \times {\text{1}}{{\text{0}}^{ - {\text{11}}}} $ 0 $ {\text{2}}{\text{.3}} \times {\text{1}}{{\text{0}}^{ - {\text{6}}}} $ 7.30 −1 $ {\text{2}}{\text{.5}} \times {\text{1}}{{\text{0}}^{ - {\text{6}}}} $ 31 $ {\text{4}}{\text{.0}} \times {\text{1}}{{\text{0}}^{ - {\text{7}}}} $ 1.20 0 $ {\text{7}}{\text{.9}} \times {\text{1}}{{\text{0}}^{ - {\text{6}}}} $ 100 $ {\text{1}}{\text{.8}} \times {\text{1}}{{\text{0}}^{ - {\text{7}}}} $ 0.58 1 $ {\text{1}}{\text{.7}} \times {\text{1}}{{\text{0}}^{ - {\text{5}}}} $ 210 $ {\text{5}}{\text{.8}} \times {\text{1}}{{\text{0}}^{ - {\text{8}}}} $ 0.18 10 $ {\text{1}}{\text{.0}} \times {\text{1}}{{\text{0}}^{ - {\text{4}}}} $ 1200 $ {\text{1}}{\text{.7}} \times {\text{1}}{{\text{0}}^{ - {\text{12}}}} $ ～0 100 $ {\text{9}}{\text{.2}} \times {\text{1}}{{\text{0}}^{ - {\text{4}}}} $ 1160 ～0 ～0 1000 $ {\text{9}}{\text{.1}} \times {\text{1}}{{\text{0}}^{ - {\text{3}}}} $ 11000 ～0 ～0
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Sanhai Ren, Kai Peng, Qian Tan, Xin Ye, Jinyong Fang. Numerical simulation on spacecraft chargingdue to electron beam emission[J]. High Power Laser and Particle Beams, 2024, 36(1): 014002
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Received: Oct. 22, 2023
Accepted: Dec. 10, 2023
Published Online: Mar. 21, 2024
The Author Email: Peng Kai (pengkaicast@163.com)
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