Toroidal rotation in neutral beam heated discharges in DIII-D

被引:67
作者
deGrassie, JS [1 ]
Baker, DR [1 ]
Burrell, KH [1 ]
Gohil, P [1 ]
Greenfield, CM [1 ]
Groebner, RJ [1 ]
Thomas, DM [1 ]
机构
[1] Gen Atom Co, San Diego, CA 92186 USA
关键词
D O I
10.1088/0029-5515/43/2/307
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
It is known that the toroidal angular momentum and the ion thermal energy are correlated in tokamak discharges heated by neutral beam injection. Here, data from ten years of measurements on DIII-D are considered, for representative discharges from all types and all conditions. The ratio of simple replacement times for momentum and energy is found to order this correlation indicating that these times are approximately equal, across, the minor radius. Representative discharges of several types are discussed in more detail, as well as transport analysis results for the momentum and thermal ion diffusivities.
引用
收藏
页码:142 / 156
页数:15
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