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Overview of steady state operation of HT-7 and present status of the HT-7U project

Yuanxi Wan, HT-7 Team, HT-7U Team2000年被引用 171Nuclear FusionIF 3出版社

Significant progress has been made on the HT-7 superconducting tokamak recently. Repeatable plasma discharges for up to 10.7 s have been routinely obtained, which nearly reached the present limit of the PF system. LHCD experiments have been successfully carried out. A full LH wave current drive for up to 3 s has been achieved. A quasi-steady-state H mode was observed with a very high plasma density for LHCD. ICRF waves were used for wall conditioning, startup, and fast wave and ion Bernstein wave heating. A new RF conditioning technique is shown to be a very powerful means of conditioning future large superconducting tokamaks. The physical design of HT-7U has been nearly finished. The engineering design and some R&D have started. A 2:3 model of the TF coil and a 1:4 model of the central solenoid with a cable in conduit conductor cable have been finished. Testing of the coils will start soon. The engineering design is under way in accordance with the schedule.

日本語訳

HT-7超伝導トカマクにおいて、近年顕著な進展が達成された。最大10.7秒の再現性のあるプラズマ放電が定常的に得られており、これは現在のポロイダル磁場(PF)システムの限界にほぼ達している。低域混成波電流駆動(LHCD)実験が成功裏に実施され、最大3秒間の完全な低域混成波電流駆動が達成された。LHCDによる非常に高いプラズマ密度を伴う準定常Hモードが観測された。ICRF波は、壁調整、立ち上げ、および高速波・イオンバーンスタイン波加熱に使用された。新しいRF調整技術は、将来の大型超伝導トカマクの調整における極めて強力な手段であることが示された。HT-7Uの物理設計はほぼ完了した。工学設計と一部の研究開発が開始されている。TFコイルの2:3スケールモデルと、ケーブル・イン・コンジット導体を用いた中心ソレノイドの1:4スケールモデルが完成した。コイルの試験は間もなく開始される予定である。工学設計はスケジュールに従って進行中である。

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Steady stateHT-7
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