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Scaling of the sawtooth inversion radius and the mixing radius on DIII-D

R.T. Snider1990年被引用 20Nuclear FusionIF 3出版社

In highly elongated DIII-D divertor discharges, it was found that the line integrated X-ray sawtooth inversion radius scales as rinv/a = 1/q95 for a wide range of plasma parameters including low q and high beta discharges. No density or elongation dependence was observed. The sawtooth inversion radius showed little dependence on injected beam power in H-mode discharges at full toroidal field (2.1 T). At lower fields, the sawtooth inversion radius was observed to increase somewhat with increasing input power. Also, it was found that the sawtooth mixing radius scales as rmix/a = 1/q95 + 0.3 and is independent of elongation.

日本語訳

高度に細長いDIII-Dダイバータ放電において、広範囲のプラズマパラメータ(低qおよび高ベータ放電を含む)に対して、線積分X線鋸歯状反転半径がrinv/a = 1/q95としてスケーリングすることが見出された。密度または伸長度への依存性は観測されなかった。鋸歯状反転半径は、全トロイダル磁場(2.1 T)におけるHモード放電で、入射ビームパワーへの依存性がほとんど見られなかった。より低い磁場では、鋸歯状反転半径は入力パワーの増加とともにいくらか増加することが観測された。また、鋸歯状混合半径はrmix/a = 1/q95 + 0.3としてスケーリングし、伸長度に依存しないことが見出された。

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diii-d高精度(タイトル一致)

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DIII-DSawtooth oscillation
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