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Observations of neutral beam and ICRF tail ion losses due to Alfven modes in TFTR

D.S. Darrow, S.J. Zweben, Z. Chang, C.Z. Cheng, M.D. Diesso, E.D. Fredrickson, E. Mazzucato, R. Nazikian, C.K. Phillips, S. Popovichev1997年被引用 42Nuclear FusionIF 3出版社

Experimental observations from TFTR of fast ion losses resulting from the toroidicity induced Alfven eigenmode (TAE) and the Alfven frequency mode (AFM) are presented. The AFM was driven by neutral beam ions, at low BT, and the TAE was excited by hydrogen minority ion cyclotron range of frequencies (ICRF) tail ions at higher BT. The measurements indicate that the loss rate varies linearly with the mode amplitude for both modes, and that the fast ion losses during the mode activity can be significant, with tens of per cent of the input power lost in the worst cases

日本語訳

TFTRにおけるトロイダル性誘起アルヴェン固有モード(TAE)およびアルヴェン周波数モード(AFM)に起因する高速イオン損失の実験的観測結果を提示する。AFMは低BTにおいて中性粒子ビームイオンによって駆動され、TAEは高BTにおいて水素マイノリティイオンサイクロトロン周波数帯(ICRF)テールイオンによって励起された。測定結果は、両モードにおいて損失率がモード振幅に比例して線形に増加することを示しており、モード活動中の高速イオン損失は顕著であり、最悪の場合には入力パワーの数十パーセントが失われることを示している。

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tftr高精度(タイトル一致)

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Alfvén waveIon cyclotron heatingNeutral beamTFTRIon loss
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