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The effect of limiters and current profile on elliptic free-boundary MHD equilibria

C.Li. Thomas, F.A. Haas1979年被引用 4Nuclear FusionIF 3出版社

Using the MHD equilibrium equations and assuming simple current profiles and various limiter configurations, the authors have investigated the ellipticity attainable in a straight magnetic quadrupole field. It is found that for certain presciptions of parameters there are two values of ellipticity b/a. In practice only the lower value is expected to be realizable; its maximum value depends on current profile and choice of limiter and, for the models used here, lies between 1.0 and 2.9. For the prescriptions which lead to a single ellipticity, the upper limit to b/a is set by the intervention of the separatrix, and for the present models a value of approximately 2.0 has been obtained.

日本語訳

MHD平衡方程式を用い、単純な電流分布と様々なリミター配位を仮定して、著者らは直線磁気四重極場において達成可能な楕円度を調査した。特定のパラメータ設定に対して、楕円度b/aには2つの値が存在することが見出された。実際には、より低い値のみが実現可能であると期待される。その最大値は電流分布とリミターの選択に依存し、ここで用いたモデルでは1.0から2.9の間にある。単一の楕円度をもたらすパラメータ設定については、b/aの上限はセパラトリックスの介入によって決まり、本モデルでは約2.0の値が得られた。

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MagnetohydrodynamicsLimiterCurrent profile
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