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Alpha particle driven TAE instability suppression by a resonant RF field

V.S. Marchenko, A.Yu. Pan'kin1995年被引用 1Nuclear FusionIF 3出版社

The toroidicity induced shear Alfven eigenmode (TAE) instability driven by the fusion alpha particle pressure gradient is found to be stabilized in the presence of a resonant RF field with Ω = k0⊥. vα⊥, where Ω is the frequency, k0 the wavenumber and vα⊥ is the alpha particle velocity component perpendicular to the magnetic field. This kind of resonance could occur during lower hybrid (LH) current drive in an ignited tokamak plasma. The RF electric field strength that is needed for stabilization is available from modern RF power sources

日本語訳

トロイダリティ誘起シア・アルフヴェン固有モード(TAE)不安定性は、核融合アルファ粒子の圧力勾配によって駆動されるが、Ω = k0⊥・vα⊥ を持つ共鳴RF場の存在下で安定化されることが見出された。ここで、Ωは周波数、k0は波数、vα⊥は磁場に垂直なアルファ粒子の速度成分である。この種の共鳴は、点火されたトカマクプラズマにおける低ハイブリッド(LH)電流駆動中に発生し得る。安定化に必要なRF電界強度は、現代のRF電源から利用可能である。

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Toroidal Alfvén EigenmodeAlpha particle
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