Analysis of deuterium recycling in JET under beryllium first wall conditions
作者： J. Ehrenberg , V. Philipps , L. De Kock , R.A. Causey , W.L. Hsu
DOI: 10.1016/0022-3115(90)90050-W
关键词: Ohmic contact 、 Diffusion (business) 、 Plasma 、 Limiter 、 Deuterium 、 Atomic physics 、 Beryllium 、 Jet (fluid) 、 Outgassing 、 Nuclear physics 、 Chemistry 、 Nuclear and High Energy Physics 、 General Materials Science 、 Nuclear Energy and Engineering
摘要: Abstract Deuterium recycling during and after ohmic limiter discharges in the Be-phase of JET are compared with that C-phase. For Be-phase, effective transport parameters for diffusion recombination deuterium at surfaces in-vessel components derived using plasma discharge data only. This analysis outgassing behaviour suggest release is controlled by D/k (D diffusion, k coefficient) about 1021−1022 m−2, larger than expected from laboratory measurements.
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