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Numerical simulation of the anomalous transport process in radially compressed reversed-field configurations

S. Hamasaki, D.L. Book1980年被引用 9Nuclear FusionIF 3出版社

A one-dimensional quasi-equilibrium MHD code has been used to study the effect of heat transport in belt-pinch-like reversed-field configurations compressed by an imploding cylindrical conducting liner. The code incorporates classical and anomalous transport coefficients, including drift ion cyclotron and lower hybrid instabilities with fluctuation amplitudes limited by shear and finite-beta stabilization. For a reactor-size imploding-liner configuration, heat conduction produces flat-topped temperature profiles and peaked densities. Scaling the reactor size down by a factor of five leads to a considerable increase of anomalous heat losses. A high-field, low-density buffer region near the wall is effective as a heat insulator, provided the field is sufficiently sheared there.

日本語訳

一次元準平衡MHDコードを用いて、爆縮する円筒状導体ライナーによって圧縮されるベルトピンチ状の反転磁場配位における熱輸送の効果を研究した。このコードは、古典的および異常輸送係数を組み込んでおり、シアおよび有限ベータ安定化によって変動振幅が制限されるドリフトイオンサイクロトロン不安定性および低域混成不安定性を含む。炉規模の爆縮ライナー配位では、熱伝導により温度分布は平坦な頂部を持ち、密度分布はピークを持つ。炉の規模を5分の1に縮小すると、異常熱損失がかなり増大する。壁近傍の高磁場・低密度のバッファ領域は、そこで磁場が十分にシアを受けている場合、熱絶縁体として有効である。

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Reversed field pinchAnomalous transport
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