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Oct 13 – 18, 2014
Hotel Park Inn Pribaltiyskaya
Europe/Moscow timezone

Interaction between Resistive Interchange Mode and Helically Trapped Energetic Ions and its Effects on the Energetic Ions and Bulk Plasmas in LHD

Oct 16, 2014, 2:00 PM
4h 45m
Green 8-9 (Hotel Park Inn Pribaltiyskaya)

Green 8-9

Hotel Park Inn Pribaltiyskaya

Saint Petersburg, Russian Federation
Poster Poster 6

Speaker

Mr Xiaodi Du (Japan)

Description

Bursting resistive interchange modes destabilized by a characteristic motion of helically trapped energetic ions are for the first time observed in a helical plasma and induce large negative radial electric field near the edge, which indicates non-ambipolar losses of the fast ions by the modes. The burst modes also induce a clear change of toroidal plasma rotation and micro-turbulence suppression accompanying transient confinement improvement.
Paper Number EX/P6-36
Country or International Organisation Japan

Primary author

Mr Xiaodi Du (Japan)

Co-authors

Katsumi Ida (National Institute for Fusion Science) Kazuo Toi (National Institute for Fusion Science) Kenichi nagaoka (National Institute for Fusion Science) Kenji Tanaka (National Institute for Fusion Science) Kunihiro Ogawa (National Institute for fusion science) Mitsutaka Isobe (National Institute for Fusion Science) Ryosuke seki (National Institute for Fusion Science) Satoru Sakakibara (National Institute for Fusion Science) TAKESHI IDO (National Institute for Fusion Science) Yasuhiro Suzuki (National Institute for Fusion Science) akihiro shimizu (National Institute for Fusion Science) masaki osakabe (National Institute for Fusion Science) mikiro yoshinuma (National Institute for Fusion Science) satoshi ohdachi (National Institute for Fusion Science) tetuo ozaki (National Institute for Fusion Science)

Presentation materials