高温プラズマからの荷電交換中性粒子放出のシミュレーション

概要

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The energy spectra of charge-exchange neutrals emitted from a high-temperature plasma are investigated in the presence of wall material surrounding the plasma and of injection of solid hydrogen pellet into it. For this purpose, a combined Monte Carlo simulation model of neutral transport in the plasma with that in the wall is developed. The calculation results show that, in high-(low-) density plasma, high-(low-) energy component of the spectra increase due to backscattering of the neutrals from the wall surface. This increase is enhanced with the use of heavy materials for the wall. After pellet injection, furthermore, plasma density (temperature) increase(decrease) drastically, so that low-energy component of the neutrals substantially increases for both charge-exchanges with hydrogen atoms produced through the pellet abration and with recycling atoms emitted from the wall.
沼津工業高等専門学校の論文
1996-01-31