Consequences of a reduction of the upstream power SOL width in ITER

The effect of a hypothetical reduction of the SOL power width on the performance of the ITER divertor is analyzed using the SOLPS4.3 code. A reduction of this width by a factor 3 (down to 1.2mm) is found to increase the peak power load only by a factor 1.6 because power dissipation in the partially...

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Bibliographic Details
Published inJournal of nuclear materials Vol. 438; pp. S203 - S207
Main Authors Kukushkin, A.S., Pacher, H.D., Pacher, G.W., Kotov, V., Pitts, R.A., Reiter, D.
Format Journal Article
LanguageEnglish
Published Elsevier B.V 01.07.2013
Subjects
Alpha particles
Alpha rays
Detaching
Nuclear power generation
Power dissipation
Reduction
Upstream
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Summary:The effect of a hypothetical reduction of the SOL power width on the performance of the ITER divertor is analyzed using the SOLPS4.3 code. A reduction of this width by a factor 3 (down to 1.2mm) is found to increase the peak power load only by a factor 1.6 because power dissipation in the partially detached divertor plasma is enhanced. The operating window is smaller, but still exists at 10MW/m2 power load. Full alpha particle power is recovered if the allowed peak power load is a factor 1.5 higher, albeit at reduced Q which still remains above Q=10.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:0022-3115
1873-4820
DOI:10.1016/j.jnucmat.2013.01.027