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Comparison of runaway dynamics in LH and ECRH heated discharges in the Frascati Tokamak Upgrade

J.R. Martín-Solís, B. Esposito, R. Sánchez, G. Granucci, L. Panaccione2005年被引用 18Nuclear FusionIF 3出版社

The behaviour of high energy runaway electrons during the flat-top phase of lower hybrid (LH) heated discharges has been investigated in the Frascati Tokamak Upgrade. It is found that, as in electron cyclotron (EC) heated discharges, the fall of the electric field during the wave injection phase yields a reduction of the runaway energy (frequently leading to runaway quenching). However, in contrast to EC heated discharges, after the heating phase, in LH discharges the acceleration of the wave-resonant suprathermal tail allows the runaway population to be restored.

日本語訳

フラスカティ・トカマク・アップグレードにおいて、低ハイブリッド(LH)加熱放電のフラットトップ位相中の高エネルギー runaway 電子の挙動を調査した。電子サイクロトロン(EC)加熱放電と同様に、波注入位相中の電場の低下が runaway エネルギーの減少(しばしば runaway 消滅につながる)をもたらすことが見いだされた。しかしながら、EC 加熱放電とは対照的に、加熱位相後、LH 放電では波共鳴超熱的テールの加速により runaway 集団が回復され得る。

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Electron cyclotron heatingLower hybrid
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