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Overview of steady-state operation on the Tore-Supra tokamak

G. Martin for the Tore-Supra Team2003年被引用 5Nuclear FusionIF 3出版社

The Tore-Supra program is oriented towards the control of multi-megawatt plasmas for very long durations. During its first years of operation, both lower hybrid (LH) waves and ion cyclotron (ICRH) heating have been used, leading to a world record in injected energy of 280 MJ. In these conditions, plasma–wall interactions becomes a critical issue, as the injected power has to be removed continuously, and recycling fluxes must be controlled to maintain the density at its desired value and avoid plasma contamination. On the basis of these results, an enhancement in the capability to handle large input powers on a steady-state basis and to control the particles over long duration has been implemented during the 2000–2001 shut-down. In 2002, experiments will resume with the ultimate goal of operating with steady-state advanced scenarios based on purely non-inductive current drive at moderate density, with both LH current drive and ICRH heating, during hundreds of seconds, leading up to 1 GJ of injected energy.

日本語訳

Tore-Supra計画は、非常に長時間にわたる多メガワット級プラズマの制御を目的としている。その初期の運転期間中、低混成波(LH)加熱とイオンサイクロトロン共鳴加熱(ICRH)の両方が使用され、注入エネルギー280 MJの世界記録を達成した。このような条件下では、注入された電力が継続的に除去されなければならず、またリサイクリングフラックスを制御して密度を所望の値に維持し、プラズマの汚染を回避する必要があるため、プラズマ-壁相互作用が重要な課題となる。これらの結果に基づき、2000年から2001年にかけての運転停止期間中に、定常状態での大きな入力電力を処理し、長時間にわたって粒子を制御する能力の向上が実施された。2002年には、実験が再開され、最終目標として、低混成波電流駆動とICRH加熱の両方を用いて、中程度の密度で純粋に非誘導的な電流駆動に基づく定常状態の先進シナリオで運転し、注入エネルギー1 GJに達することが目指されている。

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