Performance of MHD accelerator and plasma non-uniformity

Kenji Kawaguchi, Shinya Saito, Keisuke Udagawa, Hiroyuki Yamasaki

研究成果: Conference contribution

抄録

The objective of this study is to investigate effects of discharge uniformity on acceleration performances of MHD accelerator. In order to demonstrate this, two types of experiments were conducted. First, "constant voltage experiment" was conducted. The objective of this experiment was to confirm reproducibility of experimental data obtained in previous one. The results have indicated that the velocity augmentation depends on discharge uniformity and that it is large for uniform discharge. Secondly, "constant current experiment" was conducted. its experimental objective is to clarify the relation of discharge uniformity and acceleration performance under constant current, in other words under constant Lorentz force. The result has suggested that the velocity augmentation becomes large and at the same time, acceleration efficiency tends to increase as the discharge becomes uniform. Moreover, the data obtained at wide range of plasma fluctuations have indicated clearly that the velocity augmentation increases as the discharge becomes uniform.

本文言語English
ホスト出版物のタイトル46th AIAA Aerospace Sciences Meeting and Exhibit
出版ステータスPublished - 2008
外部発表はい
イベント46th AIAA Aerospace Sciences Meeting and Exhibit - Reno, NV, United States
継続期間: 2008 1 72008 1 10

出版物シリーズ

名前46th AIAA Aerospace Sciences Meeting and Exhibit

Other

Other46th AIAA Aerospace Sciences Meeting and Exhibit
CountryUnited States
CityReno, NV
Period08/1/708/1/10

ASJC Scopus subject areas

  • Aerospace Engineering

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