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  4. Divertor heat load in ITER-like advanced tokamak scenarios on JET
 
conference paper

Divertor heat load in ITER-like advanced tokamak scenarios on JET

Arnoux, G.  
•
Andrew, P.
•
Beurskens, M.
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2009
Journal Of Nuclear Materials
18th International Conference on Plasma-Surface Interactions in Controlled Fusion Devices

Heat loads on the JET MarkIIHD divertor are measured by IR thermography in high triangularity plasmas with edge conditions of advanced tokamak scenarios (AT). AT scenarios operate at low density (n(e,av) < 5 x 10(19) m(-3) at JET) to maximise the non inductive current drive, leading to high target temperature (20 < T-e < 40 eV), hence high heat loads. Comparisons with a typical baseline inductive scenario (n(e,av) similar or equal to 10 x 10(19) m(-3)), show that for similar input power (similar or equal to 20 MW) the outer target heat load is higher by a factor 4 in AT scenario, and is above the limit for the ITER-like wall (ILW). Operating long pulses in AT scenarios in the ILW could then be an issue and heat load reduction using impurity seeding is investigated. (C) 2009 G. Arnoux. Published by Elsevier B.V. All rights reserved.

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Type
conference paper
DOI
10.1016/j.jnucmat.2009.01.094
Web of Science ID

WOS:000267747300061

Author(s)
Arnoux, G.  
Andrew, P.
Beurskens, M.
Brezinsek, S.
Challis, C. D.
De Vries, P.
Fundamenski, W.
Gauthier, E.
Giroud, C.
Huber, A.
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Date Issued

2009

Publisher

Elsevier

Published in
Journal Of Nuclear Materials
Volume

390-391

Start page

263

End page

266

Subjects

Thermography

•

Plates

•

Flux

Editorial or Peer reviewed

NON-REVIEWED

Written at

EPFL

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
January 9, 2012
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/76454
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