Characterization of detachment inferred from the Balmer line ratios in JET-ILW low-confinement mode plasmas

IF 2.3 2区物理与天体物理 Q1 NUCLEAR SCIENCE & TECHNOLOGY

Nuclear Materials and Energy Pub Date : 2025-02-10 DOI:10.1016/j.nme.2025.101893

Vesa-Pekka Rikala , M. Groth , A.G. Meigs , D. Reiter , B. Lomanowski , A. Shaw , S. Aleiferis , G. Corrigan , I.S. Carvalho , D. Harting , N. Horsten , I. Jepu , J. Karhunen , K.D. Lawson , C. Lowry , S. Menmuir , B. Thomas , D. Borodin , D. Douai , A. Huber

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引用次数: 0

Abstract

Spectroscopic measurements of the hydrogenic Balmer-

α

and Balmer-

γ

line emission in JET-ILW low-confinement mode (L-mode) deuterium plasmas are used to assess the onset of volume recombination in the low-field side (LFS) divertor. The evolution of the EDGE2D-EIRENE predicted Balmer-

γ

to Balmer-

α

emission ratio from low-recycling to detached conditions is in qualitative agreement with the measured ratio. In low-recycling conditions the EDGE2D-EIRENE predicted line-emission is within 30% of measured emission, in high-recycling within 20%t, and in detached conditions lower by a factor of 2.5.

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来源期刊

Nuclear Materials and Energy Materials Science-Materials Science (miscellaneous)

CiteScore

3.70

自引率

15.40%

发文量

175

审稿时长

20 weeks

期刊介绍： The open-access journal Nuclear Materials and Energy is devoted to the growing field of research for material application in the production of nuclear energy. Nuclear Materials and Energy publishes original research articles of up to 6 pages in length.