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Properties of energetic-particle continuum modes destabilized by energetic ions with beam-like velocity distributions
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10.1063/1.2234296
/content/aip/journal/pop/13/8/10.1063/1.2234296
http://aip.metastore.ingenta.com/content/aip/journal/pop/13/8/10.1063/1.2234296
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Spatial profiles of the energetic-ion beta value , the bulk beta value , and the safety factor .

Image of FIG. 2.
FIG. 2.

Spatial profiles of (a) the cosine part and (b) the sine part of radial velocity harmonics of the unstable mode for with toroidal mode number .

Image of FIG. 3.
FIG. 3.

Spatial profiles of (a) the cosine part and (b) the sine part of radial velocity harmonics of the unstable mode for with toroidal mode number .

Image of FIG. 4.
FIG. 4.

Frequencies and peak locations of the unstable modes destabilized by copassing energetic ions with different beam velocities are represented by triangles. For counterpassing energetic ions, since the primary poloidal harmonic peaks at the plasma center, frequencies and tail locations of the harmonic are represented by circles. Also shown are the safety factor profile and the shear Alfvén continuous spectra with toroidal mode number .

Image of FIG. 5.
FIG. 5.

Spatial profiles of (a) the cosine part and (b) the sine part of radial velocity harmonics of the unstable mode for with toroidal mode number .

Image of FIG. 6.
FIG. 6.

Spatial profiles of (a) the cosine part and (b) the sine part of radial velocity harmonics of the unstable mode for with toroidal mode number .

Image of FIG. 7.
FIG. 7.

Spatial profiles of (a) the cosine part and (b) the sine part of radial velocity harmonics of the unstable mode for with toroidal mode number .

Image of FIG. 8.
FIG. 8.

Frequencies and peak locations of the unstable modes destabilized by copassing energetic ions with different beam velocities are represented by triangles. Also shown are the safety factor profile and the shear Alfvén continuous spectra with toroidal mode number . The safety factor profile is different from Fig. 4.

Image of FIG. 9.
FIG. 9.

Spatial profiles of (a) the cosine part and (b) the sine part of the perturbed energetic-ion pressure harmonics for with toroidal mode number .

Image of FIG. 10.
FIG. 10.

Comparison between the frequencies of the unstable modes and the energetic-ion orbital frequency with , , , and . The values of safety factor used for the calculation of are represented at the peak locations of perturbed energetic-ion pressure.

Image of FIG. 11.
FIG. 11.

Comparison between the energetic-ion orbital frequency (solid line) and the frequencies of the unstable modes (circles). A unique value of safety factor is used for the calculation of the energetic-ion orbital frequency with , , , and .

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/content/aip/journal/pop/13/8/10.1063/1.2234296
2006-08-07
2014-04-21
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Properties of energetic-particle continuum modes destabilized by energetic ions with beam-like velocity distributions
http://aip.metastore.ingenta.com/content/aip/journal/pop/13/8/10.1063/1.2234296
10.1063/1.2234296
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