Stability and transport of parallel velocity shear driven mode with negative magnetic shear

Robert Alan Cairns; RG Storer; DR McCarthy

Stability and transport of parallel velocity shear driven mode with negative magnetic shear

Robert Alan Cairns, RG Storer, DR McCarthy

Applied Mathematics

Research output: Other contribution

Abstract

The linear and quasilinear behavior of the drift-like perturbation with a parallel velocity shear is studied in a sheared slab geometry. Full analytic studies show that when the magnetic shear has the same sign as the second derivative of the parallel velocity with respect to the radial coordinate, the linear mode may become unstable and turbulent momentum transport increases. On the other hand, when the magnetic shear has opposite sign to the second derivative of the parallel velocity, the linear mode is completely stabilized and turbulent momentum transport reduces. (C) 2000 American Institute of Physics. [S1070-664X(00)01203-9].

Original language	English
Volume	7
Publication status	Published - Apr 2000

Keywords

POLOIDAL ROTATION
DISCHARGES
TFTR
CONFINEMENT
TURBULENCE
PLASMAS
WAVES
EDGE

Cite this

@misc{0df1f9d36173417eb382527605f1509d,

title = "Stability and transport of parallel velocity shear driven mode with negative magnetic shear",

abstract = "The linear and quasilinear behavior of the drift-like perturbation with a parallel velocity shear is studied in a sheared slab geometry. Full analytic studies show that when the magnetic shear has the same sign as the second derivative of the parallel velocity with respect to the radial coordinate, the linear mode may become unstable and turbulent momentum transport increases. On the other hand, when the magnetic shear has opposite sign to the second derivative of the parallel velocity, the linear mode is completely stabilized and turbulent momentum transport reduces. (C) 2000 American Institute of Physics. [S1070-664X(00)01203-9].",

keywords = "POLOIDAL ROTATION, DISCHARGES, TFTR, CONFINEMENT, TURBULENCE, PLASMAS, WAVES, EDGE",

author = "Cairns, {Robert Alan} and RG Storer and DR McCarthy",

note = "Phys.Plasmas",

year = "2000",

month = apr,

language = "English",

volume = "7",

type = "Other",

}

TY - GEN

T1 - Stability and transport of parallel velocity shear driven mode with negative magnetic shear

AU - Cairns, Robert Alan

AU - Storer, RG

AU - McCarthy, DR

N1 - Phys.Plasmas

PY - 2000/4

Y1 - 2000/4

N2 - The linear and quasilinear behavior of the drift-like perturbation with a parallel velocity shear is studied in a sheared slab geometry. Full analytic studies show that when the magnetic shear has the same sign as the second derivative of the parallel velocity with respect to the radial coordinate, the linear mode may become unstable and turbulent momentum transport increases. On the other hand, when the magnetic shear has opposite sign to the second derivative of the parallel velocity, the linear mode is completely stabilized and turbulent momentum transport reduces. (C) 2000 American Institute of Physics. [S1070-664X(00)01203-9].

AB - The linear and quasilinear behavior of the drift-like perturbation with a parallel velocity shear is studied in a sheared slab geometry. Full analytic studies show that when the magnetic shear has the same sign as the second derivative of the parallel velocity with respect to the radial coordinate, the linear mode may become unstable and turbulent momentum transport increases. On the other hand, when the magnetic shear has opposite sign to the second derivative of the parallel velocity, the linear mode is completely stabilized and turbulent momentum transport reduces. (C) 2000 American Institute of Physics. [S1070-664X(00)01203-9].

KW - POLOIDAL ROTATION

KW - DISCHARGES

KW - TFTR

KW - CONFINEMENT

KW - TURBULENCE

KW - PLASMAS

KW - WAVES

KW - EDGE

M3 - Other contribution

VL - 7

ER -

Stability and transport of parallel velocity shear driven mode with negative magnetic shear

Abstract

Keywords

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