Analysis of fast-ion Dα data from the National Spherical Torus Experiment

被引：18

作者：

Heidbrink, W. W. ^{[1
]}

Ruskov, E. ^{[1
]}

Liu, D. ^{[1
]}

Stagner, L. ^{[1
]}

Fredrickson, E. D. ^{[2
]}

Podesta, M. ^{[2
]}

Bortolon, A. ^{[2
]}

机构：

[1] Univ Calif Irvine, Irvine, CA 92697 USA

[2] Princeton Plasma Phys Lab, Princeton, NJ 08540 USA

来源：

NUCLEAR FUSION | 2016年 / 56卷 / 05期

关键词：

Alfven eigenmodes; energetic particles; spherical tokamak; TRANSPORT; CODE;

D O I：

10.1088/0029-5515/56/5/056005

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：

Measured fast-ion Dc, (FIDA) data from an extensive NSTX database are compared to 'classical' predictions that neglect transport by instabilities, Even in the absence of appreciable MHD, in many cases, the profile peaks at smaller major radius and the profile is broader than the predictions. Abrupt large -amplitude MHD events flatten the FIDA profile, as do most toroidal Alfven eigenmode (TAE) avalanche events. Generally, the onset of a long-lived mode also flattens the FIDA profile,

引用

页数：15

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