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The effect of rigid electron rotation on the Grad–Shafranov equilibria of a class of FRC devices

C.P.S. Swanson, S.A. Cohen2021年被引用 3Nuclear FusionIF 3出版社

Rigid electron rotation of a Rotamak-FRC produces a pressure flux function that is more peaked than the Solov'ev flux function. This paper explores the implications of this peaked pressure flux function, including the isothermal case, which appear when the temperature profile is broader than the density profile, creating both benefits and challenges to a Rotamak-FRC based fusion reactor. In this regime, the density distribution becomes very peaked, enhancing the fusion power. The separatrix has a tendency to become oblate, which can be mitigated by flux conserving current loops. Plasma extends outside the separatrix, notably in the open field line region. This model does not apply to very kinetic FRCs or FRCs in which there are significant ion flows, but it may have some applicability to their outer layers.

日本語訳

Rotamak-FRCの剛体電子回転は、Solov'evフラックス関数よりもピークが鋭い圧力フラックス関数を生成する。本論文では、このピークの鋭い圧力フラックス関数の含意を探求する。これには、温度プロファイルが密度プロファイルよりも広い場合に現れる等温の場合も含まれ、Rotamak-FRCベースの核融合炉に対して利点と課題の両方をもたらす。この領域では、密度分布が非常にピーク化し、核融合出力が増強される。セパラトリックスは偏平化する傾向があるが、これは電流を保持するフラックスループによって緩和され得る。プラズマはセパラトリックスの外側、特に開放磁場領域にも広がる。このモデルは、非常に運動論的なFRCや、有意なイオン流が存在するFRCには適用できないが、それらの外層にはある程度適用可能である。

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