Thrust performance of high magnetic field permanent magnet type Helicon Plasma Thruster

Takahiro Nakamura, Sho Ito, Hiroyuki Nishida, Shunjiro Shinohara, Ikkoh Funaki, Takao Tanikawa, Tohru Hada

    研究成果: Chapter in Book/Report/Conference proceedingConference contribution

    抄録

    In order to realize long-lived electric propulsion systems, we have been investigating an electrodeless plasma thruster. In our concept, high-density helicon plasma is accelerated by a magnetic nozzle for thrust production. In order to improve the thrust performance with simple systems, high magnetic flux density magnetic nozzle formed by permanent magnets is employed to our laboratory model plasma thruster. A magnetic circuit, which has high magnetic flux density up to 0.2 T at the magnetic nozzle throat, is constructed by permanent magnets and magnetic yoke. In order to investigate the thrust performance of this thruster, the thrust force is measured by a torsion-pendulum type thrust stand. From the thrust measurement, the thrust force and specific impulse increases with the RF power input. The thrust efficiency is drastically improved by increasing the RF power input, and it is considered to be caused by the discharge mode transition from the CCP to the ICP. The maximum thrust force and thrust efficiency of 2.7 ± 0.4 mN and 0.26 % is measured when the Ar gas mas flow rate is 1.2 mg/s, and plasma production frequency and power is 13.56 MHz and 1000 W.

    本文言語英語
    ホスト出版物のタイトル50th AIAA/ASME/SAE/ASEE Joint Propulsion Conference 2014
    出版社American Institute of Aeronautics and Astronautics Inc.
    ISBN(電子版)9781624103032
    DOI
    出版ステータス出版済み - 2014
    イベント50th AIAA/ASME/SAE/ASEE Joint Propulsion Conference and exhibit 2014 - Cleveland, 米国
    継続期間: 7 28 20147 30 2014

    出版物シリーズ

    名前50th AIAA/ASME/SAE/ASEE Joint Propulsion Conference 2014

    その他

    その他50th AIAA/ASME/SAE/ASEE Joint Propulsion Conference and exhibit 2014
    国/地域米国
    CityCleveland
    Period7/28/147/30/14

    All Science Journal Classification (ASJC) codes

    • エネルギー工学および電力技術
    • 航空宇宙工学
    • 制御およびシステム工学
    • 電子工学および電気工学
    • 機械工学

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