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Effect of sawteeth on alpha power deposition and ignition in tokamaks

Ya.I. Kolesnichenko, V.V. Lutsenko, Yu.V. Yakovenko1994年被引用 6Nuclear FusionIF 3出版社

The main features of the alpha particle heating, ignition and thermonuclear burn in a tokamak plasma with sawtooth oscillations are revealed. The sensitivity of the results to the various models of sawteeth and characteristics of the safety factor q(r) is investigated. Sawtooth oscillations are shown to have strong influence on ignition conditions and characteristics of the burn, provided the region of their localization is relatively large (about half plasma radius) and the time between crashes is small (less than the energy confinement time)

日本語訳

鋸歯状振動を伴うトカマクプラズマにおけるアルファ粒子加熱、点火、および熱核燃焼の主な特徴が明らかにされる。結果の、様々な鋸歯状モデルおよび安全係数 q(r) の特性に対する感度が調査される。鋸歯状振動は、それらの局在領域が比較的大きく(プラズマ半径の約半分)、クラッシュ間の時間が短い(エネルギー閉じ込め時間より短い)場合、点火条件および燃焼特性に強い影響を与えることが示される。

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