Impurity transport in ITER-like plasmas

被引：22
|
作者：
Fulop, T. [1 ]
Weiland, J.
机构：
[1] Chalmers, Dept Radio & Space Sci, Gothenburg, Sweden
[2] EURATOM, VR, Gothenburg, Sweden
来源：
PHYSICS OF PLASMAS | 2006年 / 13卷 / 11期
基金：
欧盟地平线“2020”;
关键词：
D O I：
10.1063/1.2375042
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：
Neoclassical impurity transport is compared with transport calculated from the reactive drift wave model of turbulent transport for an ITER-like [R. Aymar, P. Barabaschi, and Y. Shimomura, Plasma Phys. Controlled Fusion 44, 519 (2002)] scenario. The turbulent transport is inward for both main ions and impurities, but the impurity ion inward transport is much weaker than the main ion inward transport. The neoclassical impurity transport is outward because of temperature screening. The total impurity transport, determined by a balance between turbulent and neoclassical transport, depends sensitively on the charge number of the impurity and the ratio of the ion density and temperature scale lengths, eta(i). (c) 2006 American Institute of Physics.
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