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Stochastic diffusion in the presence of mode locking in a reversed field pinch

F DAngelo, R Paccagnella1996年Plasma Physics and Controlled FusionIF 2.2出版社

In this paper the problem of stochastic diffusion in a reversed field pinch (RFP) plasma in the presence of mode-locking has been addressed. In order to understand its effects, different spectral shapes of the perturbing magnetic field have been compared. The importance of long-wavelength perturbations in determining the stochastic diffusion process is pointed out. Moreover, we have considered the effect on energy transport and the conclusion has been reached that, due to the high parallel thermal conduction, `local' effects are not important. A comparison of the experimental values of the energy confinement time with that deduced assuming a collisionless stochastic transport model is also given.

日本語訳

抄録:本論文では、モードロッキングの存在下における反転磁場ピンチ(RFP)プラズマ中の確率拡散の問題を扱った。その影響を理解するために、摂動磁場の異なるスペクトル形状を比較した。確率拡散過程を決定する上で、長波長の摂動の重要性が指摘される。さらに、エネルギー輸送への影響を考察し、高い平行熱伝導率により、「局所的」効果は重要ではないという結論に達した。また、無衝突確率輸送モデルを仮定して導出されたエネルギー閉じ込め時間と実験値との比較も示されている。

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Reversed field pinch
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