タイトル | マイクロ波放電式イオンスラスタにおける放電室分割による推進性能への影響 |
その他のタイトル | Effects of Segmented Chamber Walls in a Microwave Ion Thruster on Thrust Performance |
DOI | info:doi/10.2322/jjsass.65.17 |
著者(日) | 月崎, 竜童; 山本, 雄大; 細田, 聡史; 西山, 和孝; 國中, 均 |
著者(英) | Tsukizaki, Ryudo; Yamamoto, Yuta; Hosoda, Satoshi; Nishiyama, Kazutaka; Kuninaka, Hitoshi |
著者所属(日) | 宇宙航空研究開発機構(JAXA); 静岡大学; 宇宙航空研究開発機構(JAXA); 宇宙航空研究開発機構(JAXA); 宇宙航空研究開発機構(JAXA) |
著者所属(英) | Japan Aerospace Exploration Agency (JAXA); Shizuoka University; Japan Aerospace Exploration Agency (JAXA); Japan Aerospace Exploration Agency (JAXA); Japan Aerospace Exploration Agency (JAXA) |
発行日 | 2017-02-05 |
発行機関など | 日本航空宇宙学会 Japan Society for Aeronautical and Space Sciences |
刊行物名 | 日本航空宇宙学会論文集 Journal of the Japan Society for Aeronautical and Space Sciences |
巻 | 65 |
号 | 1 |
開始ページ | 17(17) |
終了ページ | 20(20) |
刊行年月日 | 2017-02-05 |
言語 | jpn eng |
抄録 | In order to improve the thrust force of the μ10 microwave discharge ion thruster, its ion source which is biased at a screen voltage is separated into three parts; 1.waveguide, magnet, and a grid holder, 2.magnet spacers, and 3.a screen grid by ceramic rings. Connection of a high voltage power supply is selectable among each component independently, and maximum beam currents are measured in all six cases in addition to the nominal setup. Except for one case, the maximum thrust force is increased from the HAYABUSA's 8mN and HAYABUSA2's 10mN. The highest thrust force 11.2mN is recorded at Isp 3150sec when the magnet spacers are not connected to the power supply. At this time, the potential of the isolated magnet spacers is increased from 1500V to 1525V. The increase of the potential of the spacers regulates collisions of ions, resulting in increase of the ion currents. This study firstly demonstrates the effect of the segmentation of the discharge chamber of microwave ion thrusters and achieves the improvement of 4% of the total efficiency and of 40% of the thrust force since the HAYABUSA's flight model. |
内容記述 | 形態: 図版あり Physical characteristics: Original contains illustrations |
キーワード | Microwave; Ion Thruster; Segmented Anode; Inverse Sheath; Improved Thrust Force |
資料種別 | Journal Article |
NASA分類 | Spacecraft Propulsion and Power |
ISSN | 1344-6460 |
NCID | AA11307372 |
SHI-NO | AA1640317003 |
URI | https://repository.exst.jaxa.jp/dspace/handle/a-is/611168 |