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Deposition patterns of fast ions on plasma facing components in W7-X

E. Strumberger2000年被引用 25Nuclear FusionIF 3出版社

The losses of fast ions (65 keV deuterons, 3 MeV protons and1 MeV tritons) and their deposition patterns on the plasma facingcomponents (PFCs) are studied for a high-nTτ scenarioof the Helias type stellarator W7-X.For these computations a system of numerical codes is used which allowsself-consistent computation of finite-β equilibria and thecorresponding magnetic fields, tracing of guiding centres offast particles taking into account slowing down and pitch anglescattering and determination of the deposition patterns of the lost fast ionson the PFCs. For this purpose thegeometry of the first wall and the target plates has been implemented. These results will serve as a basis for heat load protection inthe case of deuterons and for plasma diagnosticsin the case of protons and tritons.

日本語訳

高速イオン(65 keV重陽子、3 MeV陽子、1 MeV三重陽子)の損失と、それらのプラズマ対向機器(PFC)への堆積パターンが、Helias型ステラレータW7-Xの高nTτシナリオについて研究されている。これらの計算には、有限ベータ平衡と対応する磁場の自己無撞着な計算、減速とピッチ角散乱を考慮した高速粒子の案内中心の追跡、およびPFC上への損失高速イオンの堆積パターンの決定を可能にする数値コード群が使用されている。この目的のために、第一壁とターゲット板の形状が実装されている。これらの結果は、重陽子の場合の熱負荷防護と、陽子および三重陽子の場合のプラズマ診断の基礎として役立つであろう。

装置

wendelstein-7x高精度(タイトル一致)

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Fusion Advanced Studies TorusEnergetic ionPlasma-facing componentW7-X
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