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Open theoretical issues and their solutions for fusion relevant physical regimes

B. Coppi, B. Basu, P. Montag, L. Sugiyama, P. Buratti2015年被引用 3Nuclear FusionIF 3出版社

The effort to identify the properties of fusion burning plasmas, involving issues of basic plasma physics and new revealing experimental observations, has led to the development of a theoretical basis for three relevant subjects: (i) novel features of the quasi-coherent mode (QCM) associated with the H-confinement regime, (ii) magnetic reconnection processes in low collisionality regimes and the theory of unpredicted macroscopic modes producing magnetic islands with a propagating velocity in the ion diamagnetic velocity direction, (iii) angular momentum transport described by a non-diffusive equation reproducing the spontaneous rotation velocity profiles; the plasma modes that are identified can produce an angular momentum transport contrary to that predicted by a diffusion process and involve significant electron temperature fluctuations.

日本語訳

核融合燃焼プラズマの特性を特定するための取り組みは、基礎プラズマ物理学の問題と新たに明らかになった実験的観測を含み、以下の3つの関連主題に関する理論的基盤の構築につながった:(i) H閉じ込め領域に関連する準コヒーレントモード(QCM)の新規な特徴、(ii) 低衝突頻度領域における磁気リコネクション過程と、イオン反磁性速度方向の伝播速度を持つ磁気島を生成する予測されなかった巨視的モードの理論、(iii) 自発回転速度分布を再現する非拡散方程式によって記述される角運動量輸送;同定されたプラズマモードは、拡散過程によって予測されるものとは逆の角運動量輸送を生成し得、有意な電子温度揺動を伴う。

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