Analysis of neutral particle recycling and pedestal fueling in a H-mode DIII-D discharge

被引：15
作者：
Friis, Z. W. [1 ]
Stacey, W. M. [1 ]
Leonard, A. W. [2 ]
Rensink, M. E. [3 ]
机构：
[1] Georgia Inst Technol, Atlanta, GA 30332 USA
[2] Gen Atom Co, San Diego, CA 92186 USA
[3] Lawrence Livermore Natl Lab, Livermore, CA 94551 USA
来源：
PHYSICS OF PLASMAS | 2010年 / 17卷 / 02期
关键词：
charge exchange; ionisation; plasma boundary layers; plasma density; plasma instability; plasma simulation; plasma toroidal confinement; plasma transport processes; plasma-wall interactions; Tokamak devices; ALCATOR C-MOD; ATOM TRANSPORT; EDGE; DENSITY; TRANSMISSION; FORMULATION; PROFILES; PLASMAS; BALANCE; FLUX;
D O I：
10.1063/1.3305809
中图分类号：
O35 [流体力学]; O53 [等离子体物理学];
学科分类号：
070204 ; 080103 ; 080704 ;
摘要：
A detailed analysis of neutral atom recycling and pedestal fueling in a DIII-D [J. Luxon, Nucl. Fusion 42, 614 (2002)] high-confinement mode discharge is presented. Experimental data and two-dimensional (2D) edge plasma fluid code calculations are employed to provide ion wall recycling and recombination neutral sources and background edge plasma parameters for a 2D edge neutral code calculation of detailed neutral density, ionization, and charge-exchange distributions throughout the edge pedestal, scrape-off layer and surrounding halo region, divertor, and private flux regions. The effectiveness of the different neutral sources for fueling the confined plasma is evaluated.
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页数：11
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