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Transition from the L-mode to the H-mode by electron cyclotron heating of a tokamak edge plasma

K. Hoshino, T. Yamamoto, N. Suzuki, H. Kawashima, S. Kasai, T. Kawakami, H. Maeda, T. Matoba, T. Matsuda, H. Matsumoto1988年被引用 26Nuclear FusionIF 3出版社

Transitions of L-mode plasmas to the H-mode have been induced by an electron cyclotron heating (ECH) pulse. The transitions occur when ECH is applied to plasmas preheated either by a neutral beam or by waves in the ion cyclotron range of frequency with power levels well below their own threshold power for the H-mode transition. The position of the electron cyclotron resonance layer has been scanned and it has been shown that edge heating rather than central heating is effective in inducing the transition to the H-mode.

日本語訳

LモードプラズマからHモードへの遷移は、電子サイクロトロン加熱(ECH)パルスによって誘起された。この遷移は、ECHが、中性粒子ビームまたはイオンサイクロトロン周波数帯の波のいずれかによって予熱されたプラズマに印加された際に生じる。これらの予熱手段のパワーは、Hモード遷移の閾値パワーを十分に下回るものであった。電子サイクロトロン共鳴層の位置を走査し、Hモードへの遷移を誘起するには、中心部加熱よりも周辺部加熱が効果的であることが示された。

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H-modeElectron cyclotron heatingEdge plasmaL-mode
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