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H-mode characterization for dominant ECRH and comparison to dominant NBI and ICRF heating at ASDEX Upgrade

F. Sommer, J. Stober, C. Angioni, M. Bernert, A. Burckhart, V. Bobkov, R. Fischer, C. Fuchs, R.M. McDermott, W. Suttrop2012年被引用 21Nuclear FusionIF 3出版社

The influence of pure electron heating versus combined electron and ion heating on a high collisionality H-mode plasma has been investigated in ASDEX Upgrade. This was done by replacing both neutral beam injection (NBI) and ion cyclotron resonance frequency (ICRF) heating in small steps with electron cyclotron resonance heating (ECRH) while keeping the total heating power constant. The stability of the global plasma parameters and the response of the kinetic profiles on the changed heating mix and torque input is shown. The differences in edge localized mode behaviour between the different heating mixes is reported. The data were analysed with an interpretative transport model and linear gyrokinetic simulations were performed to evaluate the underlying transport mechanism.

日本語訳

高衝突度Hモードプラズマにおける純電子加熱と電子・イオン複合加熱の影響が、ASDEX Upgradeで調査された。これは、中性粒子ビーム入射(NBI)およびイオンサイクロトロン周波数(ICRF)加熱を、全加熱電力を一定に保ちながら、電子サイクロトロン周波数(ECRH)加熱に小刻みに置き換えることによって行われた。加熱構成の変化とトルク入力に対する、グローバルプラズマパラメータの安定性と運動量輸送プロファイルの応答が示された。異なる加熱構成間における周辺局在モード(ELM)挙動の差異が報告された。データは解釈用輸送モデルを用いて解析され、基礎となる輸送機構を評価するために線形ジャイロ運動論シミュレーションが実施された。

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asdex-upgrade高精度(タイトル一致)

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ASDEXASDEX UpgradeH-modeIon cyclotron heatingNeutral beam injectionElectron cyclotron heating
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