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Effect of the ambipolar potential on stellarator confinement

H.E. Mynick, W.N.G. Hitchon1983年被引用 89Nuclear FusionIF 3出版社

The confinement properties of reactor-scale stellarators in the presence of a self-consistent ambipolar potential Φ are examined in the light of the current theoretical expectations for the dependence of the transport coefficients on collisionality and radial electric field. It is found that stellarators have sufficiently good confinement to be viable as reactors. In addition, it is found that multiple roots of the ambipolarity constraint can exist in stellarators (as in other devices) and that, for appropriate parameters, confinement can be improved by operating at a root different from the one usually considered.

日本語訳

自己無撞着な分極電位Φの存在下における炉心規模ステラレーターの閉じ込め特性を、輸送係数の衝突周波数および動径電場への依存性に関する現在の理論的予想に照らして調べた。ステラレーターは炉として成立し得る十分に優れた閉じ込め特性を有することが見出された。さらに、分極条件の複数根が(他の装置と同様に)ステラレーターに存在し得ること、また適切なパラメータに対しては、通常考えられる根とは異なる根で動作させることにより閉じ込めを改善できることが見出された。

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Stellarator
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