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26th IAEA Fusion Energy Conference - IAEA CN-234

17–22 Oct 2016
Kyoto International Conference Center
Japan timezone

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Non-inductive Production of Extremely Overdense Spherical Tokamak Plasma by Electron Bernstein Wave Excited via O-X-B Method in LATE

19 Oct 2016, 14:00
4h 45m
Kyoto International Conference Center

Kyoto International Conference Center

Takaragaike, Sakyo-ku, Kyoto 606-0001 Japan
Poster EXW - Magnetic Confinement Experiments: Wave–plasma interactions; current drive; heating; energetic particles Poster 4

Speaker

Prof. Hitoshi Tanaka (Kyoto University)

Description

Extremely overdense spherical tokamak plasmas are produced non-inductively with electron Bernstein waves mode-converted via O-X-B scheme. When the fundamental electron cyclotron resonance (ECR) layer is located at the plasma core and the 2nd harmonic ECR layer is near the outboard vessel wall and the upper hybrid resonance layer is located between them, significant density rise is obtained with a strong gas puffing preventing hot spots and without intermittent plasma ejection phenomenon.
Country or International Organization Japan
Paper Number EX/P4-45

Primary author

Prof. Hitoshi Tanaka (Kyoto University)

Co-authors

Mr Arata Hoshino (Kyoto University) Mr Atsushi Yoshida (Kyoto University) Mr Daiki Honda (Kyoto University) Mr Daisuke Watanabe (Kyoto University) Mr Kengoh Kuroda (Kyoto University) Mr Kyohei Takamatsu (Kyoto University) Dr Masaki Uchida (Kyoto University) Prof. Takashi Maekawa (Kyoto University) Mr Toshihide Kawaharada (Kyoto University) Mr Yoshitaka Nozawa (Kyoto University)

Presentation materials

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