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Progress on theoretical issues in modelling turbulent transport

Y. Kosuga, P.H. Diamond, L. Wang, Ö.D. Gürcan, T.S. Hahm2013年被引用 10Nuclear FusionIF 3出版社

We discuss theoretical progress in turbulent transport modelling in tokamaks. In particular, we address issues that the conventional quasilinear type calculation cannot confront, such as (i) the nature of turbulence in the edge-core coupling region of tokamaks (i.e. the so-called 'no man's land'), and the dynamics of incoming structures coupled to zonal flows, (ii) nonlinear dynamics of zonal flows and (iii) transport by drift wave turbulence with strong wave–particle interaction. A unifying theme of these studies is their formulation in terms of the phase space density correlation evolution.

日本語訳

我々は、トカマクにおける乱流輸送モデリングの理論的進展について議論する。具体的には、従来の準線形型計算では対処できない問題を取り上げる。例えば、(i) トカマクのエッジ-コア結合領域(いわゆる「無人地帯」)における乱流の性質、および帯状流と結合した入射構造のダイナミクス、(ii) 帯状流の非線形ダイナミクス、(iii) 強い波-粒子相互作用を伴うドリフト波乱流による輸送、である。これらの研究に共通するテーマは、位相空間密度相関の時間発展という観点からの定式化である。

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Turbulent transport
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