Spectroscopic investigation of N and Ne seeded induced detachment in JET ITER-like wall L-modes combining experiment and EDGE2D modeling

B. Lomanowski,M. Carr,A. Field,M. Groth,A.E. Jarvinen,C. Lowry,A.G. Meigs,S. Menmuir,M. O'Mullane,M.L. Reinke, C.K. Stavrou,S. Wiesen

Nuclear Materials and Energy（2019）

引用 24|浏览105

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摘要

•N and Ne impurity seeding in JET-ILW L-mode plasmas leads to plasma detachment.•The outer target ion flux reduction is due to a decrease in ionization source.•Enhanced ionization at the outer target is caused by high Lyman series opacity.•Edge plasma simulations without opacity show higher volume recombination.

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关键词

Impurity seeded detachment,Divertor spectroscopy,Detachment evolution,JET-ILW,EDGE2D-EIRENE

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