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Intermittency in the heat and particle transports in the SINP tokamak scrape-off layer
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10.1063/1.2828479
/content/aip/journal/pop/15/1/10.1063/1.2828479
http://aip.metastore.ingenta.com/content/aip/journal/pop/15/1/10.1063/1.2828479
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(a) Time evolution of plasma density (i) and electron temperature (ii) at . (b) PDF of the plasma density (i) and electron temperature (ii) fluctuations. The dotted lines are the respective fits to Gaussian distributions.

Image of FIG. 2.
FIG. 2.

Skewness (●) and kurtosis (○) of density (top) and temperature (bottom) fluctuations.

Image of FIG. 3.
FIG. 3.

The particle fluxes at radii (a), (b), and (c). The limiter is at .

Image of FIG. 4.
FIG. 4.

PDFs of the particle fluxes at radii (solid line), (dashed line), and (dotted line). The peak heights are normalized.

Image of FIG. 5.
FIG. 5.

Radial profiles of the average radial particle flux (●) and the average peak heights (positive peaks) of (○).

Image of FIG. 6.
FIG. 6.

Fraction of the average particle flux carried by the bursts against the burst height normalized by the standard deviation at three radii.

Image of FIG. 7.
FIG. 7.

Radial profiles of (a) the peak values of the conditionally averaged density (●) and the average density (○) and (b) the peak values of the conditionally averaged temperature (●) and the average temperature (○).

Image of FIG. 8.
FIG. 8.

Time variation of the ion saturation current of a probe (top) and time resolved frequency spectrum of the cross-power between two poloidally separated probes (bottom).

Image of FIG. 9.
FIG. 9.

Time variation of the total (a), convected (b), and conducted (c) heat flux.

Image of FIG. 10.
FIG. 10.

PDFs of the total (solid line), convected (dotted line), and conducted (dashed line) heat flux at the LCFS. The peak heights are normalized.

Image of FIG. 11.
FIG. 11.

Conditional averages for positive density fluctuation events at : Plasma density (a), electron temperature (b), plasma potential (c), poloidal electric field (d), conducted heat flux (e), and convected heat flux (f).

Image of FIG. 12.
FIG. 12.

Radial profiles of the phase angle between the poloidal electric field and the electron temperature “within” the plasma structures (●) and the surrounding plasma (○).

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/content/aip/journal/pop/15/1/10.1063/1.2828479
2008-01-22
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Intermittency in the heat and particle transports in the SINP tokamak scrape-off layer
http://aip.metastore.ingenta.com/content/aip/journal/pop/15/1/10.1063/1.2828479
10.1063/1.2828479
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