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Electron cyclotron emission calculations for TJ-II stellarator

V. Tribaldos, B.P. Van Milligen1996年被引用 15Nuclear FusionIF 3出版社

Ray tracing electron cyclotron emission (ECE) calculations have been performed for the flexible heliac TJ-II. A new ray tracing code, called TRECE, has been developed, which is able to compute the ECE and the electron cyclotron absorption (EGA) for any device. This code makes use of a promising new tool that represents the magnetic flux by means of a neural network. From geometrical considerations two positions were selected for an ECE diagnostic that were not very sensitive to changes in the plasma configuration of TJ-II and minimizing the Faraday rotation. The simulated ECE, obtained with TRECE for these positions, reproduces the electron temperature profile regardless of the plasma configuration. Special attention has been paid to locating the electrons responsible for the emission process in both real and momentum space, and the effect of the antenna pattern and the rotation of the magnetic field on the emission

日本語訳

フレキシブルヘリアックTJ-IIに対して、レイトレーシング電子サイクロトロン放射(ECE)計算が実施された。TRECEと呼ばれる新しいレイトレーシングコードが開発され、任意の装置についてECEおよび電子サイクロトロン吸収(EGA)を計算することができる。このコードは、磁束をニューラルネットワークによって表現する有望な新しいツールを利用している。幾何学的考察から、TJ-IIのプラズマ配位の変化にあまり敏感ではなく、ファラデー回転を最小化するECE診断のための2つの位置が選択された。これらの位置についてTRECEで得られたシミュレーションECEは、プラズマ配位によらず電子温度分布を再現する。放射過程に関与する電子を実空間および運動量空間の両方で特定することに特別な注意が払われ、また、アンテナパターンおよび磁場の回転が放射に及ぼす影響にも注意が払われた。

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tj-ii高精度(タイトル一致)

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StellaratorElectron cyclotron emissionTJ-II
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