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  4. Intermittent transport in the JET far-SOL
 
conference paper

Intermittent transport in the JET far-SOL

Silva, C.
•
Gonçalves, B.
•
Hidalgo, C.
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2009
Journal of Nuclear Materials
18th International Conference on Plasma-Surface Interactions in Controlled Fusion Devices

The intermittent transport in the JET scrape-off layer has been investigated using a multi-pin reciprocating Langmuir probe system. It was found that radial transport in the far-SOL is not continuous but occurs in short bursts observed most often at the beginning of each structure. The magnitude of the parallel ion flux during the filaments quickly decreases with radius, contrary to the cross-field velocity which has a weak radial dependence. Data from the JET boundary plasma have been analyzed to characterize the properties of the intermittent events. Statistical analysis reveals that the filament duration is larger on average in L-mode when compared to that observed during ELMs, while the radial velocity and the density perturbations are smaller. (C) 2009 Elsevier B.V. All rights reserved.

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Type
conference paper
DOI
10.1016/j.jnucmat.2009.01.068
Web of Science ID

WOS:000267747300082

Author(s)
Silva, C.
Gonçalves, B.
Hidalgo, C.
Pedrosa, M. A.
Fundamenski, W.
Stamp, M.
Pitts, R. A.  
Date Issued

2009

Publisher

Elsevier

Published in
Journal of Nuclear Materials
Volume

390-391

Start page

355

End page

358

Subjects

Scrape-Off Layer

•

Turbulence

•

Boundary

•

Elms

Editorial or Peer reviewed

REVIEWED

Written at

OTHER

EPFL units
CRPP  
SPC  
Event nameEvent placeEvent date
18th International Conference on Plasma-Surface Interactions in Controlled Fusion Devices

Toledo, Spain

May 26-30, 2008

Available on Infoscience
May 20, 2010
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/50245
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