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A modular helical antenna for Alfvén wave heating in tokamaks

F. Hofmann, K. Appert, L. Villard1984年被引用 8Nuclear FusionIF 3出版社

The performance of a modular helical antenna for Alfvén wave heating is analysed in the framework of 1-D cylindrical theory, including finite-frequency (i.e. Hall current) effects. It is shown that modes with either positive or negative helicity can be preferentially excited in the plasma by tilting the antenna with respect to the poloidal magnetic field. Excitation of pure modes, which is crucial for optimizing the power deposition profile, can be achieved with surprisingly small tilt angles.

日本語訳

モジュラーヘリカルアンテナによるアルヴェン波加熱の性能が、有限周波数(すなわちホール電流)効果を含む1次元円筒理論の枠組みで解析される。アンテナをポロイダル磁場に対して傾けることにより、正または負のヘリシティを持つモードをプラズマ内で優先的に励起できることが示される。電力堆積プロファイルの最適化に不可欠である純粋なモードの励起は、驚くほど小さな傾斜角で達成可能である。

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Alfvén waveWave heating
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