Transport of parallel momentum by collisionless drift wave turbulence

被引：0

作者：

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

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

Gurcan, O. E. ^{[1
]}

Hahm, T. S. ^{[2
]}

Naulin, V. ^{[3
]}

机构：

[1] Univ Calif San Diego, Ctr Astrophys & Space Sci, 9500 Gilman Dr, La Jolla, CA 92093 USA

[2] Princeton Univ, Princeton Plasma Phys Lab, Princeton, NJ 08543 USA

[3] Riso Natl Lab, DK-4000 Roskilde, Denmark

来源：

TURBULENT TRANSPORT IN FUSION PLASMA | 2008年 / 1013卷

关键词：

impurities; turbulence; tokamaks; transport;

D O I：

暂无

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：

This paper presents a novel, unified approach to the theory of turbulent transport of parallel momentum by collisionless drift waves. The physics of resonant and non-resonant off-diagonal contributions to the momentum flux is emphasized, and collisionless momentum exchange between waves and particles is accounted for. Two related momentum conservation theorems are derived. These relate the resonant particle momentum flux, the wave momentum flux and the refractive force. A perturbative calculation, in tire spirit of Chapman-Enskog theory, is used to obtain the wave momentum flux, which contributes significantly to the residual stress. A general equation for mean k(parallel to) (< k(parallel to)>) is derived and used to develop a generalized theory of symmetry breaking, The resonant particle momentum flux is calculated, and pinch and residual stress effects are identified. The implications of the theory for intrinsic rotation and momentum transport bifurcations are discussed.

引用

页码：76 / +

页数：3

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