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Impurity fluxes and concentrations in the ISX-B beryllium limiter experiment

R.C. Isler, K. Behringer, E. Källne, P.D. Morgan, N.J. Peacock, P.H. Edmonds, P.K. Mioduszewski, E.A. Lazarus, P.J. Lomas, C.H. Ma1985年被引用 26Nuclear FusionIF 3出版社

An experiment to test beryllium as a limiter material has been performed in the ISX-B tokamak. One facet of the studies centred on characterizing impurity influxes and concentrations. The radiation from both low-Z (Be, C, N, O) and intermediate-Z (Ti, Cr) contaminants was measured at the limiter surface and at a wall location 90° away from the limiter to assess the relative contributions of metallic impurities from the two different sources. The effect of limiter melting, with concomitant reduction of both low-Z and intermediate-Z elements, was also documented. The analysis, including atomic rate coefficients, for interpreting spectral radiation in terms of production rates is discussed in detail.

日本語訳

ベリリウムをリミター材料として試験する実験がISX-Bトカマクで実施された。研究の一側面は、不純物の流入と濃度の特性評価に焦点を当てた。低Z(Be、C、N、O)および中Z(Ti、Cr)の両方の汚染物質からの放射が、リミター表面と、リミターから90°離れた壁位置で測定され、2つの異なる源からの金属不純物の相対的寄与を評価した。リミターの溶融と、それに伴う低Zおよび中Z元素の両方の減少の効果も記録された。生成率に関してスペクトル放射を解釈するための、原子レート係数を含む解析について詳しく議論する。

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