Residual parallel Reynolds stress due to turbulence intensity gradient in tokamak plasmas

Ö D. Gürcan; P. H. Diamond; P. Hennequin; C. J. McDevitt; X. Garbet; C. Bourdelle

doi:10.1063/1.3503624

Residual parallel Reynolds stress due to turbulence intensity gradient in tokamak plasmas

Ö D. Gürcan
, P. H. Diamond
, P. Hennequin
, C. J. McDevitt
, X. Garbet
, C. Bourdelle

Research output: Contribution to journal › Article › peer-review

Abstract

A novel mechanism for driving residual stress in tokamak plasmas based on k symmetry breaking by the turbulence intensity gradient is proposed. The physics of this mechanism is explained and its connection to the wave kinetic equation and the wave-momentum flux is described. Applications to the H-mode pedestal in particular to internal transport barriers, are discussed. Also, the effect of heat transport on the momentum flux is discussed.

Original language	English
Article number	112309
Journal	Physics of Plasmas
Volume	17
Issue number	11
DOIs	https://doi.org/10.1063/1.3503624
Publication status	Published - 1 Nov 2010

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10.1063/1.3503624

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title = "Residual parallel Reynolds stress due to turbulence intensity gradient in tokamak plasmas",

abstract = "A novel mechanism for driving residual stress in tokamak plasmas based on k symmetry breaking by the turbulence intensity gradient is proposed. The physics of this mechanism is explained and its connection to the wave kinetic equation and the wave-momentum flux is described. Applications to the H-mode pedestal in particular to internal transport barriers, are discussed. Also, the effect of heat transport on the momentum flux is discussed.",

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AU - Gürcan, Ö D.

AU - Diamond, P. H.

AU - Hennequin, P.

AU - McDevitt, C. J.

AU - Garbet, X.

AU - Bourdelle, C.

PY - 2010/11/1

Y1 - 2010/11/1

N2 - A novel mechanism for driving residual stress in tokamak plasmas based on k symmetry breaking by the turbulence intensity gradient is proposed. The physics of this mechanism is explained and its connection to the wave kinetic equation and the wave-momentum flux is described. Applications to the H-mode pedestal in particular to internal transport barriers, are discussed. Also, the effect of heat transport on the momentum flux is discussed.

AB - A novel mechanism for driving residual stress in tokamak plasmas based on k symmetry breaking by the turbulence intensity gradient is proposed. The physics of this mechanism is explained and its connection to the wave kinetic equation and the wave-momentum flux is described. Applications to the H-mode pedestal in particular to internal transport barriers, are discussed. Also, the effect of heat transport on the momentum flux is discussed.

U2 - 10.1063/1.3503624

DO - 10.1063/1.3503624

M3 - Article

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SN - 1070-664X

VL - 17

JO - Physics of Plasmas

JF - Physics of Plasmas

IS - 11

M1 - 112309

ER -

Residual parallel Reynolds stress due to turbulence intensity gradient in tokamak plasmas

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