OEDGE modeling of DIII-D density scan discharges leading to detachment

被引：0

作者：

Elder, J. D. ^{[1
]}

Stangeby, P. C. ^{[1
,2
]}

Bray, S. D. ^{[2
]}

Brooks, N. ^{[3
]}

Leonard, A. W. ^{[2
]}

McLean, A. G. ^{[3
]}

Unterberg, E. A. ^{[4
]}

Watkins, J. G. ^{[5
]}

机构：

[1] Univ Toronto, Inst Aerosp Studies, Downsview, ON M3H 5T6, Canada

[2] Gen Atom, San Diego, CA 92186 USA

[3] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA

[4] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA

[5] Sandia Natl Labs, Albuquerque, NM 87185 USA

来源：

JOURNAL OF NUCLEAR MATERIALS | 2015年 / 463卷

关键词：

Compendex;

D O I：

10.1016/j.jnucmat.2014.09.055

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The OEDGE code is used to model the outer divertor plasma for discharges from a density scan experiment on DIII-D with the objective of assessing EIRENE and ADAS hydrogenic emission atomic physics data for D-alpha, D-beta and D-gamma for values of T-e and n(e) characteristic of the range of divertor plasma conditions from attached to weakly detached. Confidence in these values is essential to spectroscopic interpretation of any experiment or modeling effort. Good agreement between experiment and calculated emissions is found for both EIRENE and ADAS calculated emission profiles, confirming their reliability for plasma conditions down to similar to 1 eV. For the cold dense plasma conditions characteristic of detachment, it is found that the calculated emissions are especially sensitive to T-e. (C) 2014 Elsevier B.V. All rights reserved.

引用

页码：565 / 568

页数：4

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