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Overview of T-10 results

D.A. Kislovfor the T-10 Team2007年被引用 8Nuclear FusionIF 3出版社

Essential progress has been made in understanding the links between energy and particle transport in T-10 plasma with electron cyclotron heating (ECH) and turbulence behaviour. The interplay between modification of energy and particle confinement with plasma density increase and turbulence properties related to ion temperature gradient and trapped electron modes has been studied. Degradation of the energy confinement with an increase in ECH power coincides with the growth of the turbulence level in the low magnetic field side, while it has been found to be almost unchanged in the high magnetic field side. Operating mode with improved confinement has been obtained by repetitive deuterium pellet injection. Fast transport and MHD events triggered by pellet injection have been observed. The formation of electron internal transport during the current ramp-up phase with ECH is under investigation. Electron cyclotron current drive localized near q = 1 surface has been found to be effective for sawtooth control, and optimization of the profile of the driven current has been made.

日本語訳

電子サイクロトロン加熱(ECH)を伴うT-10プラズマにおけるエネルギーと粒子の輸送、および乱流挙動の間の関連性の理解において、本質的な進展が達成された。密度増加に伴うエネルギー閉じ込めと粒子閉じ込めの変化と、イオン温度勾配モードおよび捕捉電子モードに関連する乱流特性との間の相互作用が研究された。ECHパワーの増加に伴うエネルギー閉じ込めの劣化は、低磁場側における乱流レベルの上昇と一致する一方、高磁場側ではほぼ不変であることが見出された。反復的なペレット入射により、閉じ込めが改善された運転モードが得られた。ペレット入射によって引き起こされる高速輸送事象およびMHD事象が観測された。電流立ち上げ段階におけるECHを伴う電子内部輸送障壁の形成が現在研究中である。q = 1 面近傍に局在化した電子サイクロトロン電流駆動が、サソリ振動の制御に有効であることが実証され、駆動電流分布の最適化が達成された。

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