کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1569154 | 1514257 | 2007 | 6 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Transport and deposition of 13C from methane injection into partially detached H-mode plasmas in DIII-D
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی انرژی
انرژی هسته ای و مهندسی
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Transport and deposition of 13C from methane injection into partially detached H-mode plasmas in DIII-D Transport and deposition of 13C from methane injection into partially detached H-mode plasmas in DIII-D](/preview/png/1569154.png)
چکیده انگلیسی
Experiments are described which examine the transport and deposition of carbon entering the main plasma scrape-off layer in DIII-D. 13CH4 was injected from a toroidally symmetric source into the crown of lower single-null partially detached ELMy H-mode plasmas. 13C deposition, mapped by nuclear reaction analysis of tiles, was high at the inner divertor but absent at the outer divertor, as found previously for low-density L-mode plasmas. This asymmetry indicates that ionized carbon is swept towards the inner divertor by a fast flow in the scrape-off layer. In the private flux region between inner and outer strike points, carbon deposition was low for L-mode but high for the H-mode plasmas. OEDGE modeling reproduces observed deposition patterns and indicates that neutral carbon dominates deposition in the divertor from detached H-mode plasmas.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Nuclear Materials - Volumes 363â365, 15 June 2007, Pages 72-77
Journal: Journal of Nuclear Materials - Volumes 363â365, 15 June 2007, Pages 72-77
نویسندگان
W.R. Wampler, A.G. McLean, S.L. Allen, N.H. Brooks, J.D. Elder, M.E. Fenstermacher, M. Groth, P.C. Stangeby, W.P. West, D.G. Whyte,