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Transport calculations for a wall-confined liner-compressed plasma

R.E. Waltz1978年被引用 3Nuclear FusionIF 3出版社

Theory and computations for a wall-confined slow-liner-compressed plasma are presented. The liner device considered has axial open-ended field lines. The numerical calculations include cross-field diffusion of magnetic field, heat, and impurities; compressional effects; heat loss to materially plugged ends; and radiation loss (including coronal impurity radiation). Both insulating and conducting liner boundary conditions are treated. The formation of a cold dense boundary layer is particularly severe in the former case. The heat transport is treated classically with some comparison to possible anomalous behaviour. While impurities are driven out of a straight high-β plasma by thermal forces, critical trace level amounts present at injection can be catastrophic. Some simple scaling laws for various loss mechanisms are given.

日本語訳

壁閉じ込め遅いライナー圧縮プラズマに関する理論と計算を示す。検討するライナー装置は、軸方向の開放端磁力線を有する。数値計算には、磁場、熱、および不純物の横断磁場拡散、圧縮損失、物質的に閉塞された端部への熱損失、ならびに放射損失(コロナ放射不純物放射を含む)が含まれる。絶縁性および導電性のライナー境界条件の両方を扱う。冷たく密度の高い境界層の形成は、前者の場合に特に顕著である。熱輸送は古典的に扱い、可能な異常挙動と一部比較する。高βプラズマから熱力によって不純物が駆逐される一方で、注入時に存在する微量レベルの不純物は壊滅的な影響を及ぼし得る。さまざまな損失機構に対するいくつかの簡単なスケーリング則を示す。

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