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Fast-ion dynamics in the TEXTOR tokamak measured by collective Thomson scattering

H Bindslev, S K Nielsen, L Porte, J A Hoekzema, S B Korsholm, F Meo, P K Michelsen, S Michelsen, J W Oosterbeek, E L Tsakadze2007年Plasma Physics and Controlled FusionIF 2.2出版社

The dynamics of fast ion populations in the TEXTOR tokamak are measured by collective Thomson scattering of millimetre wave radiation generated by a gyrotron operated at 110 GHz and 100–150 kW. Temporal evolution of the energetic ion velocity distribution at switch on of neutral beam injection (NBI) and the slowdown after switch off of NBI are measured. The turn on phase of the NBI has, furthermore, been measured in plasmas with a range of electron densities and temperatures. All of these measurements are shown to be in good agreement with simple Fokker–Planck modelling. Bulk ion rotation velocity is also measured.

日本語訳

TEXTORトカマクにおける高速イオン集団のダイナミクスは、110 GHzで動作し100~150 kWの出力を持つジャイロトロンによって生成されたミリ波放射の集団トムソン散乱を用いて測定される。中性粒子ビーム入射(NBI)のスイッチオン時における高エネルギーイオン速度分布の時間発展、およびNBIスイッチオフ後の減速過程が測定される。さらに、NBIのターンオン位相は、様々な電子密度および電子温度を有するプラズマにおいて測定されている。これらの測定結果はすべて、単純なフォッカー・プランクモデリングと良好な一致を示すことが実証されている。バルクイオンの回転速度も測定される。

装置

textor高精度(タイトル一致)

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Fusion Advanced Studies TorusEnergetic ionThomson scatteringTEXTORCollective Thomson scattering
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