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Full wave modelling of lower hybrid current drive in tokamaks

Y. Peysson, E. Sébelin, X. Litaudon, D. Moreau, J.-C. Miellou, M.M. Shoucri, I.P. Shkarofsky1998年被引用 21Nuclear FusionIF 3出版社

Full wave calculations based on the use of eikonal trial functions that are locally solutions of the homogeneous problem are carried out for solving the lower hybrid (LH) current drive problem in tokamaks, when geometrical optics assumptions are no longer valid in the description of the wave dynamics. The LH power deposition profile as well as the non-inductive driven current are determined self-consistently with a two dimensional (2-D)relativistic Fokker-Planck solver. The first consistent simulations are performed for the high aspect ratio tokamak TRIAM-1M, when the toroidal n|| upshift is bounded and insufficient to bridge the large spectral gap and cause wave damping.

日本語訳

幾何光学近似が波動ダイナミクスの記述においてもはや有効でない場合のトカマクにおける低ハイブリッド(LH)電流駆動問題を解くために、局所的に均質問題の解であるアイコナール試行関数に基づく全波動計算を実施した。LHパワー堆積分布および非誘導駆動電流は、2次元(2-D)相対論的フォッカー・プランク・ソルバーと自己無撞着に決定される。最初の自己無撞着シミュレーションは、高アスペクト比トカマクTRIAM-1Mに対して実施され、トロイダル方向のn||アップシフトが有界であり、大きなスペクトルギャップを埋めて波動減衰を引き起こすには不十分な場合を対象とした。

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Current driveLower hybridLower hybrid current drive
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