Impurity Evolution in a Beam-Heated Tokamak

概要

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Impurity evolution during neutral beam injection has been investigated in a large tokamak with the first wall made of low-Z (carbon), medium-Z (titanium) and high-Z (molybdenum), based on a simple model of wall-released impurity behavior. The use of low-Z material seems helpful in reducing impurity contamination in a high-temperature plasma with material limiters. A divertor is effective for controlling of wall-sputtered impurities for any of the wall materials.
社団法人応用物理学会の論文
1982-02-05