Utilization of electron bernstein wave heating and current drive for tokamak startup and advanced operations

H. Tanaka, T. Maekawa, M. Uchida, S. Nishi, H. Igami, S. Kubo, T. Shimozuma, Y. Yoshimura, H. Takahashi, J. Miyazawa, T. Mutoh, A. Komori, T. Yoshinaga, S. Inagaki, K. Nagasaki, T. Notake

研究成果: 書籍/レポート タイプへの寄稿会議への寄与

抄録

Utilization of electron Bernstein wave (EBW) for tokamak startup and advanced heating in helical device is demonstrated. In the LATE device, plasma current is started up and ramped up to 20 kA by injecting a 5 GHz, 190 kW, 70 ms microwave pulse in the electron cyclotron range of frequency and controlling the applied vertical field. The electron density exceeds the plasma cutoff density. The plasma current is carried by a unidirectional tail electrons against the reverse electric field from self-induction, suggesting the acceleration along the magnetic field via cyclotron absorption of mode-converted electron Bernstein wave (EBW) with high refractive indices along the magnetic field. In LHD, the extraordinary mode is injected to the upper hybrid resonance layer from the high field side and EBW heating is observed at much inner radius away from the fundamental electron cyclotron resonance layer.

本文言語英語
ホスト出版物のタイトルProceedings of the 15th Joint Workshop on Electron Cyclotron Emission and Electron Cyclotron Resonance Heating, EC-15
出版社World Scientific Publishing Co. Pte Ltd
ページ96-103
ページ数8
ISBN(印刷版)9812814639, 9789812814630
出版ステータス出版済み - 1月 1 2009
イベント15th Joint Workshop on Electron Cyclotron Emission, ECE 2008 and Electron Cyclotron Heating, ECH 2008 - Yosemite Village, CA, 米国
継続期間: 3月 10 20083月 13 2008

出版物シリーズ

名前Proceedings of the 15th Joint Workshop on Electron Cyclotron Emission and Electron Cyclotron Resonance Heating, EC-15

その他

その他15th Joint Workshop on Electron Cyclotron Emission, ECE 2008 and Electron Cyclotron Heating, ECH 2008
国/地域米国
CityYosemite Village, CA
Period3/10/083/13/08

!!!All Science Journal Classification (ASJC) codes

  • 原子分子物理学および光学

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