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Lower hybrid dynamics by ECE spectra in Tore Supra

P Gomez, J.L Ségui, G Giruzzi, P Froissard, D Thouvenin2001年Fusion Engineering and DesignIF 1.7出版社

AbstractThe suprathermal electron cyclotron radiation is used to investigate fundamental phenomena governing electron tail formation during lower hybrid current drive (LHCD). To this end, an approximate analytical solution of the 2-D time-dependent Fokker–Planck equation is developed. Electron cyclotron emission (ECE) is analysed with this model. The pitch-angle scattering time, the characteristic time of the quasi-linear diffusion process, the perpendicular temperature and the quasi-linear diffusion coefficient are measured by fitting the temporal evolution of the ECE signal.

日本語訳

超高速電子サイクロトロン放射は、低域混成波電流駆動(LHCD)中の電子テール形成を支配する基本現象を調査するために用いられる。この目的のため、2次元時間依存フォッカー・プランク方程式の近似解析解が開発される。電子サイクロトロン放射(ECE)はこのモデルを用いて解析される。ピッチ角散乱、準線形拡散過程の特性時間、垂直温度、および準線形拡散係数は、ECE信号の時間発展をフィッティングすることによって測定される。

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Lower hybridTore SupraElectron cyclotron emission
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