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Magnetic drift kinetic damping of the resistive wall mode in large aspect ratio tokamaks
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10.1063/1.2978091
/content/aip/journal/pop/15/9/10.1063/1.2978091
http://aip.metastore.ingenta.com/content/aip/journal/pop/15/9/10.1063/1.2978091
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

The radial profiles of the normalized integral over the velocity space , corresponding to the three profiles of Fig. 2. Only the positive branch of is plotted. A major radius is assumed.

Image of FIG. 2.
FIG. 2.

Analytical profiles , with , respectively.

Image of FIG. 3.
FIG. 3.

The radial profile of the factor. A major radius is assumed.

Image of FIG. 4.
FIG. 4.

The radial profiles of the factor, corresponding to the three profiles. A major radius is assumed.

Image of FIG. 5.
FIG. 5.

Pitch angle dependent factor after the bounce orbit average of the displacement eigenfunction, for the ideal kink mode from the cylindrical model.

Image of FIG. 6.
FIG. 6.

Radial profiles of the normalized integral over velocity space, obtained after pitch angle integration under various assumptions, for the poloidal harmonic (a) and (b) .

Image of FIG. 7.
FIG. 7.

Example of modification of the pitch angle dependence of the normalized magnetic drift , by the finite plasma pressure.

Image of FIG. 8.
FIG. 8.

Critical curves in the plane for the and 3 unstable RWM, respectively. Below the curves, the mode is fully stabilized by the drift kinetic effect. The asymptotic case A is considered, with and without including the diamagnetic correction to the precession drifts. Note the smallness of the parameter space with a full kinetic stabilization.

Image of FIG. 9.
FIG. 9.

Stabilization/destabilization of the RWM by the drift kinetic effects under various assumptions. We assume , , , and compare two equilibria with (a) and (b) .

Image of FIG. 10.
FIG. 10.

Effect of the plasma rotation on the drift kinetic modification of the RWM stability. We consider a case with , , , and without inclusion of the diamagnetic correction to the precession drifts.

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/content/aip/journal/pop/15/9/10.1063/1.2978091
2008-09-16
2014-04-18
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Magnetic drift kinetic damping of the resistive wall mode in large aspect ratio tokamaks
http://aip.metastore.ingenta.com/content/aip/journal/pop/15/9/10.1063/1.2978091
10.1063/1.2978091
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