Intrinsic Rotation Driven by Non-Maxwellian Equilibria in Tokamak Plasmas

被引：49

作者：

Barnes, M. ^{[1
,2
]}

Parra, F. I. ^{[1
]}

Lee, J. P. ^{[1
]}

Belli, E. A. ^{[3
]}

Nave, M. F. F. ^{[4
]}

White, A. E. ^{[1
]}

机构：

[1] MIT, Plasma Sci & Fusion Ctr, Cambridge, MA 02138 USA

[2] Oak Ridge Inst Sci & Educ, Oak Ridge, TN 37831 USA

[3] Gen Atom, San Diego, CA 92168 USA

[4] Inst Plasmas & Fusao Nucl, Assoc EURATOM IST, P-1049001 Lisbon, Portugal

来源：

PHYSICAL REVIEW LETTERS | 2013年 / 111卷 / 05期

基金：

英国工程与自然科学研究理事会;

关键词：

TOROIDAL ROTATION; TRANSPORT; TURBULENCE; MODE;

D O I：

10.1103/PhysRevLett.111.055005

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The effect of small deviations from a Maxwellian equilibrium on turbulent momentum transport in tokamak plasmas is considered. These non-Maxwellian features, arising from diamagnetic effects, introduce a strong dependence of the radial flux of cocurrent toroidal angular momentum on collisionality: As the plasma goes from nearly collisionless to weakly collisional, the flux reverses direction from radially inward to outward. This indicates a collisionality-dependent transition from peaked to hollow rotation profiles, consistent with experimental observations of intrinsic rotation.

引用

页数：5

共 34 条

[1]

ABEL IG, IN PRESS

[2] Direct multiscale coupling of a transport code to gyrokinetic turbulence codes [J].

Barnes, M. ;

Abel, I. G. ;

Dorland, W. ;

Goerler, T. ;

Hammett, G. W. ;

Jenko, F. .

PHYSICS OF PLASMAS, 2010, 17 (05)

[3]

BARNES M, 2008, ARXIV09012868

[4] Kinetic calculation of neoclassical transport including self-consistent electron and impurity dynamics [J].

Belli, E. A. ;

Candy, J. .

PLASMA PHYSICS AND CONTROLLED FUSION, 2008, 50 (09)

[5] Observation of spontaneous toroidal rotation inversion in ohmically heated Tokamak plasmas [J].

Bortolon, A. ;

Duval, B. P. ;

Pochelon, A. ;

Scarabosio, A. .

PHYSICAL REVIEW LETTERS, 2006, 97 (23)

[6] Consequences of profile shearing on toroidal momentum transport [J].

Camenen, Y. ;

Idomura, Y. ;

Jolliet, S. ;

Peeters, A. G. .

NUCLEAR FUSION, 2011, 51 (07)

[7] Turbulence measurements in fusion plasmas [J].

Conway, G. D. .

PLASMA PHYSICS AND CONTROLLED FUSION, 2008, 50 (12)

[8] Toroidal rotation in DIII-D in electron cyclotron heating and Ohmic H-mode discharges [J].

deGrassie, JS ;

Burrell, KH ;

Baylor, LR ;

Houlberg, W ;

Lohr, J .

PHYSICS OF PLASMAS, 2004, 11 (09) :4323-4331

[9] Transport of parallel momentum by collisionless drift wave turbulence [J].

Diamond, P. H. ;

McDevitt, C. J. ;

Guercan, Oe. D. ;

Hahm, T. S. ;

Naulin, V. .

PHYSICS OF PLASMAS, 2008, 15 (01)

[10] Comparisons and physics basis of tokamak transport models and turbulence simulations [J].

Dimits, AM ;

Bateman, G ;

Beer, MA ;

Cohen, BI ;

Dorland, W ;

Hammett, GW ;

Kim, C ;

Kinsey, JE ;

Kotschenreuther, M ;

Kritz, AH ;

Lao, LL ;

Mandrekas, J ;

Nevins, WM ;

Parker, SE ;

Redd, AJ ;

Shumaker, DE ;

Sydora, R ;

Weiland, J .

PHYSICS OF PLASMAS, 2000, 7 (03) :969-983

← 1 2 3 4 →