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Spatial structure of internal and edge transport barriers

T Fujita2002年Plasma Physics and Controlled FusionIF 2.2出版社

Recent studies on spatial structures of internal and edge transport barriers (ITB and ETB) in tokamaks are presented. For the ETB, steady H-mode regimes with small or no edge localized modes, which are important for future reactors, are mainly treated. For the ITBs, the radial profile has larger variety and the situation is more complicated than that in ETB; its criterion, ITBs under reactor-relevant conditions, the foot location, the box-type shape and the ITB at a high bootstrap current fraction are discussed. For the combined ITB and ETB, sustainment of combined ITB and ETB and the linkage between them are discussed.

日本語訳

トカマクにおける内部輸送障壁(ITB)および周辺輸送障壁(ETB)の空間構造に関する最近の研究を紹介する。ETBについては、将来の炉心にとって重要である、小さな周辺局在モードを伴う、または伴わない定常Hモードを主に扱う。ITBについては、径方向プロファイルがより多様であり、その状況はETBよりも複雑である。その基準、炉心関連条件下でのITB、フット位置、ボックス型形状、および高ブートストラップ電流割合でのITBについて議論する。ITBとETBの複合については、複合ITB・ETBの維持とそれらの間の関連性について議論する。

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