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Role of energetic electrons during current ramp-up and production of high poloidal beta plasma in non-inductive current drive on QUEST

Saya Tashima, H. Zushi, M. Isobe, K. Hanada, H. Idei, K. Nakamura, A. Fujisawa, K. Matsuoka, M. Hasegawa, Y. Nagashima2014年被引用 27Nuclear FusionIF 3出版社

A scenario for non-inductive current ramp-up has been demonstrated using electron cyclotron waves in the spherical tokamak QUEST. The configuration was characterized by a high toroidal magnetic mirror ratio of 2 and a steady vertical magnetic field of more than 10% of the toroidal magnetic field. The generation and confinement of energetic electrons having energy greater than 10 keV were studied using hard x-rays. Because of the energetic electron pressure, a natural divertor formed with an inboard poloidal field null at the high poloidal beta (approximately 3–4).

日本語訳

非誘導電流立ち上げのシナリオが、球状トカマクQUESTにおける電子サイクロトロン波を用いて実証された。この配位は、トロイダル磁場ミラー比2という高い値と、トロイダル磁場の10%を超える定常的な垂直磁場によって特徴づけられた。10 keVを超えるエネルギーを持つ高エネルギー電子の生成と閉じ込めは、硬X線を用いて研究された。高エネルギー電子の圧力により、高いポロイダルベータ(約3〜4)において、内側ポロイダル磁場零次元を伴う自然ダイバータが形成された。

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quest高精度(タイトル一致)

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Current driveQUESTCurrent ramp-up
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