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Steady-state tokamak operation, ITB transition and sustainment and ECCD experiments in TRIAM-1M

H. Zushi, K. Nakamura, K. Hanada, K.N. Sato, M. Sakamoto, H. Idei, M. Hasegawa, A. Iyomasa, S. Kawasaki, H. Nakashima2005年被引用 61Nuclear FusionIF 3出版社

Experiments aiming at 'day long operation at high performance' have been carried out in TRIAM-1M. The record value of the discharge duration was updated to 5 h and 16 min. Steady-state tokamak operation is studied under the localized plasma wall interaction conditions. The distributions of the heat load, the particle recycling flux and impurity source are investigated to understand the co-deposition and wall pumping. The formation and sustainment of an internal transport barrier (ITB) in enhanced current drive mode has been investigated by controlling the lower hybrid driven current profile by changing the phase spectrum. An ITER relevant remote steering antenna for electron cyclotron wave injection was installed and a relativistic Doppler resonance of the oblique propagating extraordinary wave with energetic electrons driven by lower hybrid waves was studied.

日本語訳

TRIAM-1Mにおいて、『長時間運転における高性能維持』を目的とした実験が実施された。放電持続時間の記録は5時間16分にまで更新された。定常トカマク運転は、局所的なプラズマ・壁相互作用条件下で研究されている。熱負荷分布、粒子リサイクリング源、不純物発生源の分布を調査し、共堆積と壁ポンピングのメカニズムを解明することを目指している。高性能運転モードにおける内部輸送障壁(ITB)の形成と維持は、下部ハイブリッド波の位相スペクトルを制御して電流密度分布を最適化することで研究が進められている。また、ITERに向けた遠隔操作式アンテナを用いた電子サイクロトロン波入射システムが設置され、相対論的ドップラー共鳴を利用した斜め伝播の異常波と、下部ハイブリッド波によって生成された高エネルギー電子との相互作用が研究されている。

装置

iter中精度(概要文一致)

wiki

Steady stateInternal transport barrierElectron cyclotron current driveTRIAM-1M
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