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Influence of the radio frequency ponderomotive force on anomalous impurity transport in tokamaks
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10.1063/1.2908354
/content/aip/journal/pop/15/4/10.1063/1.2908354
http://aip.metastore.ingenta.com/content/aip/journal/pop/15/4/10.1063/1.2908354
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Simulated squared magnitude of the perpendicular electric field in the equatorial midplane for ICRF hydrogen minority heating in deuterium plasma (H)D for a typical JET case. The main parameters of the simulation were as follows: , , , . The hydrogen cyclotron resonance location was about on the high-field side of the magnetic axis. The square of the field is given for of absorbed power, and it is linear in power.

Image of FIG. 2.
FIG. 2.

Impurity diffusion coefficient , impurity convective velocity (in units of ), and normalized impurity density peaking factor as a function of the ICRF ponderomotive force term for an ITG mode dominated case. The parameters are , , , , , , and .

Image of FIG. 3.
FIG. 3.

Impurity diffusion coefficient , impurity convective velocity (in units of ), and normalized impurity density peaking factor as a function of the ICRF ponderomotive force term for a TE mode dominated case. The parameters are , , , , , , , and .

Image of FIG. 4.
FIG. 4.

Scaling of impurity diffusion coefficient , impurity convective velocity (in units of ), and normalized impurity density peaking factor with ion temperature gradient . The other parameters are the same as in Fig. 2 with , , , , , , and with ponderomotive force term .

Image of FIG. 5.
FIG. 5.

(a) Scaling of impurity diffusion coefficient , impurity convective velocity (in units of ), and normalized impurity density peaking factor with electron density gradient parameter . The other parameters are the same as in Fig. 2 with , , , , , and , with ponderomotive force term . (b) Scaling of impurity diffusion coefficient , impurity convective velocity (in units of ), and normalized impurity density peaking factor with impurity charge . The other parameters are the same as in Fig. 2 with , , , , , , and , with ponderomotive force term .

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/content/aip/journal/pop/15/4/10.1063/1.2908354
2008-04-30
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Influence of the radio frequency ponderomotive force on anomalous impurity transport in tokamaks
http://aip.metastore.ingenta.com/content/aip/journal/pop/15/4/10.1063/1.2908354
10.1063/1.2908354
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