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L-mode-edge negative triangularity tokamak reactor

M. Kikuchi, T. Takizuka, S. Medvedev, T. Ando, D. Chen, J.X. Li, M. Austin, O. Sauter, L. Villard, A. Merle2019年被引用 47Nuclear FusionIF 3出版社

The negative triangularity tokamak (NTT) is a unique reactor concept based on 'power-handling-first' philosophy with the heat exhaust problem as the leading concern. The present paper exposes a reactor concept using L-mode edge based on NTT configuration, providing merits of no (or very weak) edge-localized modes, larger particle flux and large major radius for power handling. It is shown that a reasonably compact (Rp from 9 m to 7 m) NTT reactor is possible by achieving higher confinement improvement (HH  =  1.5) and/or by utilizing reasonably higher magnetic field (Bmax  =  15.5 T). Current physics basis and critical issues on its scientific and technical feasibility are discussed.

日本語訳

負三角形度トカマク(NTT)は、熱排出問題を最重要課題とする『熱負荷処理優先』の哲学に基づく独自の炉概念である。本論文は、NTT配位に基づくLモード周辺部を用いた炉概念を提示し、エッジ局在モードが無い(または非常に弱い)、より大きな粒子束、および熱負荷処理のための大きな主半径という利点を提供する。より高い閉じ込め改善(HH = 1.5)を達成すること、および/または合理的に高い磁場(Bmax = 15.5 T)を利用することにより、合理的にコンパクトな(Rp 9 m から 7 m)NTT炉が可能であることが示される。現在の物理的根拠と、その科学的・技術的実現可能性に関する重大な課題について議論する。

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L-modeTriangularityNegative triangularity
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