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Statements

Subject Item
n2:RIV%2F61389021%3A_____%2F13%3A00424357%21RIV14-AV0-61389021
rdf:type
skos:Concept n14:Vysledek
dcterms:description
The reestablishment of the hybrid scenario in JET after installation of the ITER-like wall (ILW) was successful in reaching similar global performances as in the previous Carbon Fibre Composite wall. However, these performances have only been maintained for 2-3 s, after which W accumulation in the core compromises the plasma performance, both due to radiative cooling and to the onset of MHD activity with negative effects on confinement. This paper aims at studying the dynamics of core W accumulation in hybrid plasmas, understanding its origin and possible ways to counteract it, to allow time extension of the improved confinement phase. The reestablishment of the hybrid scenario in JET after installation of the ITER-like wall (ILW) was successful in reaching similar global performances as in the previous Carbon Fibre Composite wall. However, these performances have only been maintained for 2-3 s, after which W accumulation in the core compromises the plasma performance, both due to radiative cooling and to the onset of MHD activity with negative effects on confinement. This paper aims at studying the dynamics of core W accumulation in hybrid plasmas, understanding its origin and possible ways to counteract it, to allow time extension of the improved confinement phase.
dcterms:title
Transport analysis of tungsten and beryllium in JET hybrid plasmas with the ITER-like wall Transport analysis of tungsten and beryllium in JET hybrid plasmas with the ITER-like wall
skos:prefLabel
Transport analysis of tungsten and beryllium in JET hybrid plasmas with the ITER-like wall Transport analysis of tungsten and beryllium in JET hybrid plasmas with the ITER-like wall
skos:notation
RIV/61389021:_____/13:00424357!RIV14-AV0-61389021
n14:predkladatel
n16:ico%3A61389021
n3:aktivita
n19:I
n3:aktivity
I
n3:dodaniDat
n12:2014
n3:domaciTvurceVysledku
n6:9079831
n3:druhVysledku
n4:D
n3:duvernostUdaju
n15:S
n3:entitaPredkladatele
n8:predkladatel
n3:idSjednocenehoVysledku
111664
n3:idVysledku
RIV/61389021:_____/13:00424357
n3:jazykVysledku
n5:eng
n3:klicovaSlova
tokamak; JET; transport; tungsten; beryllium; hybrid plasmas
n3:klicoveSlovo
n11:tungsten n11:beryllium n11:JET n11:transport n11:hybrid%20plasmas n11:tokamak
n3:kontrolniKodProRIV
[5AB90A68151E]
n3:mistoKonaniAkce
Espoo
n3:mistoVydani
Mulhouse
n3:nazevZdroje
EPS 2014:40th European Physical Society Conference on Plasma Physics, Contributed Papers
n3:obor
n18:BL
n3:pocetDomacichTvurcuVysledku
1
n3:pocetTvurcuVysledku
19
n3:rokUplatneniVysledku
n12:2013
n3:tvurceVysledku
Frassinetti, L. Challis, C. Delabie, E. Mantica, P. Hawkes, N. Angioni, C. Lauro Taroni, L. Hobirk, J. Romanelli, M. Belo, P. Giroud, C. Joffrin, E. Pütterich, T. Mlynář, Jan Beurskens, M. Baruzzo, M. Valisa, M. Lehnen, M.
n3:typAkce
n10:EUR
n3:zahajeniAkce
2013-07-01+02:00
s:numberOfPages
4
n20:hasPublisher
European Physical Society
n13:isbn
2-914771-84-3