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Electron extraction enhancement via the magnetic field in a miniature microwave discharge neutralizer
http://hdl.handle.net/10131/00012856
http://hdl.handle.net/10131/000128567bc36be1-d8cc-40d9-8e51-856c854d1aee
名前 / ファイル | ライセンス | アクション |
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1.5127805.pdf (9.3 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2019-12-24 | |||||
タイトル | ||||||
タイトル | Electron extraction enhancement via the magnetic field in a miniature microwave discharge neutralizer | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題 | Hall effect thruster, Electronic transport, Plasma properties and parameters, Particle-in-cell method, Electron sources, Plasma fluctuations, Ion thruster, Magnetic fields | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者 |
Sato, Yosuke
× Sato, Yosuke× Koizumi, Hiroyuki× Nakano, Masakatsu× Takao, Yoshinori |
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著者所属 | ||||||
Department of Mechanical Engineering, Materials Science, and Ocean Engineering, Yokohama National University | ||||||
著者所属 | ||||||
Department of Advanced Energy, The University of Tokyo | ||||||
著者所属 | ||||||
Department of Engineering, Tokyo Metropolitan College of Industrial Technology | ||||||
著者所属 | ||||||
Division of Systems Research, Yokohama National University | ||||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | This study analyzes the dependence of electron extraction efficiency, which is defined as the ratio of the extracted electron current to the generated electron current, on the orifice shapes and magnetic fields of a miniature microwave discharge xenon neutralizer via three-dimensional particle-in-cell simulations with Monte Carlo collisions (PIC–MCCs). The PIC–MCC simulation results show that the orifice shapes do not significantly affect the discharge characteristics or the electron extraction efficiency. However, the efficiency achieves a 1.5-times higher value in a new magnetic field configuration, referred to as MF-2, where the magnetic field lines pass through nearly the entire area of the orifices. This improvement is attributed to the reduction in the electron backflow and the electron loss toward both the downstream inside surface and the outside wall of the discharge chamber. In addition, there are relatively small plasma fluctuations in the discharge chamber for MF-2 due to its low Bohm diffusion coefficient, where no rotating spokes, which are often seen in other E ×B devices, are observed. As a result, the electron loss toward the downstream surface inside the discharge chamber is reduced, and this decrease in the electron loss also contributes to the increase in the extraction efficiency. | |||||
内容記述 | ||||||
内容記述タイプ | Other | |||||
内容記述 | This article may be downloaded for personal use only. Any other use requires prior permission of the author and AIP Publishing. This article appeared in Y. Sato et al., Jnl. of App. Phy. 126, 243302 (2019) and may be found at https://doi.org/10.1063/1.5127805. | |||||
書誌情報 |
Journal of Applied Physics 巻 126, 号 24, p. 243302, 発行日 2019-12-23 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 10897550 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA11868165 | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | info:doi/10.1063/1.5127805 | |||||
著者版フラグ | ||||||
出版タイプ | AM | |||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa | |||||
出版者 | ||||||
出版者 | AIP Publishing | |||||
関係URI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1063/1.5127805 | |||||
関連名称 | https://doi.org/10.1063/1.5127805 |