Physics of non-diffusive turbulent transport of momentum and the origins of spontaneous rotation in tokamaks

被引：177

作者：

Diamond, P. H. ^{[1
,2
]}

McDevitt, C. J. ^{[1
,2
]}

Guercan, Oe. D. ^{[1
,2
]}

Hahm, T. S. ^{[3
]}

Wang, W. X. ^{[3
]}

Yoon, E. S. ^{[3
]}

Holod, I. ^{[4
]}

Lin, Z. ^{[4
]}

Naulin, V. ^{[5
]}

Singh, R. ^{[6
]}

机构：

[1] Univ Calif San Diego, Ctr Astrophys & Space Sci, La Jolla, CA 92093 USA

[2] Univ Calif San Diego, Dept Phys, La Jolla, CA 92093 USA

[3] Princeton Plasma Phys Lab, Princeton, NJ 08543 USA

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

[5] Assoc EURATOM Riso DTU, DK-4000 Roskilde, Denmark

[6] Inst Plasma Res, Bhat 382428, Gandhinagar, India

来源：

NUCLEAR FUSION | 2009年 / 49卷 / 04期

关键词：

DRIFT-WAVE TURBULENCE; TOROIDAL ROTATION; MAGNETIC FIELD; PLASMAS; PINCH; MODE; INSTABILITIES; SIMULATIONS; CONFINEMENT; EQUATIONS;

D O I：

10.1088/0029-5515/49/4/045002

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：

Recent results in the theory of turbulent momentum transport and the origins of intrinsic rotation are summarized. Special attention is focused on aspects of momentum transport critical to intrinsic rotation, namely the residual stress and the edge toroidal flow velocity pinch. Novel results include a systematic decomposition of the physical processes which drive intrinsic rotation, a calculation of the critical external torque necessary to hold the plasma stationary against the intrinsic residual stress, a simple model of net velocity scaling which recovers the salient features of the experimental trends and the elucidation of the impact of the particle flux on the net toroidal velocity pinch. Specific suggestions for future experiments are offered.

引用

页数：11

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