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Determination of the electron cyclotron current drive profile

T.C. Luce, C.C. Petty, D.I. Schuster, M.A. Makowski2001年Fusion Engineering and DesignIF 1.7出版社

AbstractEvaluation of the profile of non-inductive current density driven by absorption of electron cyclotron waves (ECCD) using time evolution of the poloidal flux indicated a broader profile than predicted by theory. To determine the nature of this broadening, a 1-1/2 D transport calculation of current density evolution was used to generate the signals which the DIII-D motional Stark effect (MSE) diagnostic would measure in the event that the current density evolution followed the neoclassical Ohm's law with the theoretical ECCD profile. Comparison of the measured MSE data with the simulations indicates the experimental data is consistent with the narrow ECCD profile predicted by theory. The simulations indicate the magnitude of the ECCD is at or above the value found in Fokker–Planck calculations of the ECCD, which includes quasilinear and parallel electric field effects.

日本語訳

要約 ポロイダル磁束の時間発展を用いた、電子サイクロトロン波の吸収によって駆動される非誘導電流密度(ECCD)の分布の評価は、理論で予測されたものよりも広い分布を示した。この広がりの性質を決定するために、1-1/2 D輸送計算による電流密度の時間発展を用いて、電流密度の時間発展が理論的なECCD分布を持つ新古典オームの法則に従った場合にDIII-Dのモーション・スターク効果(MSE)診断が測定するであろう信号を生成した。測定されたMSEデータとシミュレーションの比較は、実験データが理論で予測された狭いECCD分布と一致することを示している。シミュレーションは、ECCDの大きさが、準線形効果と平行電場効果を含むFokker-Planck計算で見出された値以上であることを示している。

装置

diii-d低精度(概要文一致)

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Current driveElectron cyclotron current drive
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