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The effect of emissive biased limiter on the magnetohydrodynamic modes in the IR-T1 tokamak
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10.1063/1.4791658
/content/aip/journal/pop/20/3/10.1063/1.4791658
http://aip.metastore.ingenta.com/content/aip/journal/pop/20/3/10.1063/1.4791658

Figures

Image of FIG. 1.
FIG. 1.

Top: A schematic illustration of the emissive limiter position inside the vessel and the size of the emissive limiter, Bottom: Moveable emissive limiter.

Image of FIG. 2.
FIG. 2.

The time evolution of some plasma parameters. EBL was applied at t = 10 ms. The bias voltage is − 200 V.

Image of FIG. 3.
FIG. 3.

The time evolution of one mirnov coil.

Image of FIG. 4.
FIG. 4.

Morlet wavelet spectrum of one mirnov signal in the time range of 8–12 ms. EBL is applied at t = 10 ms.

Image of FIG. 5.
FIG. 5.

Morlet wavelet spectrum of one mirnov signal without application EBL in the time range of 8–12 ms.

Image of FIG. 6.
FIG. 6.

Spatial and temporal structures of the dominant poloidal mode at 15 time windows.

Image of FIG. 7.
FIG. 7.

Relative mode spectra of PAs for 15 small time intervals. Before the application of EBL at 10 ms, the dominant mode is m = 3; around 1 ms after the application of EBL mode m = 2 becomes the dominant mode.

Image of FIG. 8.
FIG. 8.

Relative mode spectra of PAs for 15 small time intervals, without application of EBL. No mode suppression is observed.

Image of FIG. 9.
FIG. 9.

Relative mode spectra of PAs for 15 small time intervals, without application of EBL. No mode suppression is observed.

Tables

Generic image for table
Table I.

MHD mode energies at 15 small time interval, with EBL application.

Generic image for table
Table II.

MHD mode energies at 15 small time intervals, without EBL application.

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/content/aip/journal/pop/20/3/10.1063/1.4791658
2013-03-01
2014-04-16
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: The effect of emissive biased limiter on the magnetohydrodynamic modes in the IR-T1 tokamak
http://aip.metastore.ingenta.com/content/aip/journal/pop/20/3/10.1063/1.4791658
10.1063/1.4791658
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