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Effect of finite βρ on the ion temperature gradient mode in a tokamak

M.S. Chu, R.R. Dominguez1991年被引用 6Nuclear FusionIF 3出版社

The ion temperature gradient (ITG) driven mode (or ηi mode) is studied for a tokamak where the pressure gradient is sufficiently large (βρ ∼ 1) to modify the local shear and the gradient of the magnetic field strength. It is found that these two diamagnetic modifications of the plasma equilibrium have a stabilizing effect on the ITG mode. This could contribute to the good edge confinement observed in the H-mode and the improvement of ion energy confinement in a second stability regime tokamak.

日本語訳

イオン温度勾配駆動モード(またはηiモード)を、圧力勾配が十分に大きく(βρ ∼ 1)局所的なシアおよび磁場強度勾配を修正するトカマクについて研究する。これらのプラズマ平衡の2つの反磁性修正は、ITGモードに対して安定化効果を持つことが見出される。これは、Hモードで観測される優れた周辺閉じ込めと、第2安定領域トカマクにおけるイオンエネルギー閉じ込めの改善に寄与し得る。

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Ion temperature gradientTemperature gradient mode
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