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Improvement of ICRF antenna loading by local gas injection on ASDEX Upgrade

P. Jacquet, V. Bobkov, M.-L. Mayoral, I. Monakhov, J.M. Noterdaeme, A. Scarabosio, I. Stepanov, M. Vrancken, E. Wolfrum, the ASDEX Upgrade Team2012年被引用 29Nuclear FusionIF 3出版社

Local gas injection has recently been tested as a tool to improve coupling of ion cyclotron range of frequency (ICRF) waves to tokamak plasmas, which relies on the tunnelling of the fast wave between the antenna structure and the cut-off layer within the plasma. It is found that antenna loading resistance is substantially increased when using a local gas inlet at a deuterium gas injection rate of 5 × 1021 el s−1 or higher, and that the proximity of the gas inlet to the antenna is the key factor to optimize the improvement in coupling due to gas injection.

日本語訳

局所ガス注入は最近、トカマクプラズマへのイオンサイクロトロン周波数帯(ICRF)波の結合を改善するためのツールとして試験されており、これはアンテナ構造とプラズマ内の遮断層との間の高速波のトンネリングに依存している。重水素ガス注入率が5×10²¹ el s⁻¹以上の場合に局所ガス入口を使用すると、アンテナ負荷抵抗が大幅に増加することが見出され、また、ガス入口のアンテナへの近接性が、ガス注入による結合改善を最適化するための鍵となる要因であることが判明した。

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asdex-upgrade高精度(タイトル一致)

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ASDEXASDEX UpgradeIon cyclotron heatingIon cyclotron antenna
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