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Comparison between measurements of the poloidal distribution of magnetic fluctuations and predictions of theoretical models during TAE activity

W.W. Heidbrink, A. Jaun, H.A. Holties1997年被引用 8Nuclear FusionIF 3出版社

Fluctuations produced by beam-driven toroidicity-induced Alfven eigenmode (TAE) activity in the DIII-D tokamak are measured by a poloidal array of magnetic probes and compared with the wavefields computed by two theoretical models. Fluid resistive models compute continuum damped TAEs. A kinetic plasma model that retains Landau damping and finite Larmor radius effects computes global drift-kinetic Alfven eigenmodes. The phases of the probes disagree with both theoretical predictions, while the amplitudes agree best with the kinetic model

日本語訳

DIII-Dトカマクにおけるビーム駆動トロイダル性誘起アルフヴェン固有モード(TAE)活動によって生成される変動は、ポロイダル磁気プローブアレイによって測定され、2つの理論モデルによって計算された波動場と比較される。流体抵抗モデルは、連続体減衰TAEを計算する。ランダウ減衰と有限ラーモア半径効果を保持する運動論的プラズマモデルは、大域的ドリフト運動論的アルフヴェン固有モードを計算する。プローブの位相は両方の理論予測と一致しないが、振幅は運動論的モデルと最もよく一致する。

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diii-d中精度(概要文一致)

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Toroidal Alfvén EigenmodeMagnetic fluctuations
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