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Measurements of current density profiles in T-10 current drive regimes using carbon pellet injection

V.Yu Sergeev, D.A Polivaev1997年Fusion Engineering and DesignIF 1.7出版社

AbstractThe model of toroiidal acceleration of carbon pellets in tokamaks has been improved by taking into account the angle distribution of ablated atoms. A simpler connection between the asymmetry of the electron heat fluxes and the toroidal pellet acceleration is also used that does not require a knowledge of the pellet shape evolution during ablation. The improved model has been applied to measurements of current density profiles after the electron cyclotron current drive (ECCD) pulses with co- and counter-directions of the inductive plasma current relative to the direction of the current driven by means of the gyrotron emission. Results indicate a difference of the current density profiles measured in co- and counter-directions of the gyrotron emission.

日本語訳

トカマクにおける炭素ペレットのトロイダル加速のモデルは、アブレーションされた原子の角度分布を考慮することによって改良された。電子熱流束の非対称性とトロイダルペレット加速との間のより単純な関係も使用され、これはアブレーション中のペレット形状の進化に関する知識を必要としない。改良されたモデルは、ジャイロトロン放射によって駆動される電流の方向に対する誘導プラズマ電流の同方向および逆方向の電子サイクロトロン電流駆動(ECCD)パルス後の電流密度分布の測定に適用された。結果は、ジャイロトロン放射の同方向および逆方向で測定された電流密度分布の差異を示している。

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Current driveDensity profilesPellet injection
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