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Statements

Subject Item
n2:RIV%2F61389021%3A_____%2F11%3A00366763%21RIV12-AV0-61389021
rdf:type
n15:Vysledek skos:Concept
dcterms:description
This work addresses the question of the relation between strike-point splitting and magnetic stochasticity at the edge of a poloidally diverted tokamak in the presence of externally imposed magnetic perturbations. More specifically, ad-hoc helical current sheets are introduced in order to mimic a hypothetical screening of the external resonant magnetic perturbations by the plasma. These current sheets, which suppress magnetic islands, are found to reduce the amount of splitting expected at the target, which suggests that screening effects should be observable experimentally. Multiple screening current sheets reinforce each other, i.e. less current relative to the case of only one current sheet is required to screen the perturbation. This work addresses the question of the relation between strike-point splitting and magnetic stochasticity at the edge of a poloidally diverted tokamak in the presence of externally imposed magnetic perturbations. More specifically, ad-hoc helical current sheets are introduced in order to mimic a hypothetical screening of the external resonant magnetic perturbations by the plasma. These current sheets, which suppress magnetic islands, are found to reduce the amount of splitting expected at the target, which suggests that screening effects should be observable experimentally. Multiple screening current sheets reinforce each other, i.e. less current relative to the case of only one current sheet is required to screen the perturbation.
dcterms:title
Model for screening of resonant magnetic perturbations by plasma in a realistic tokamak geometry and its impact on divertor strike points Model for screening of resonant magnetic perturbations by plasma in a realistic tokamak geometry and its impact on divertor strike points
skos:prefLabel
Model for screening of resonant magnetic perturbations by plasma in a realistic tokamak geometry and its impact on divertor strike points Model for screening of resonant magnetic perturbations by plasma in a realistic tokamak geometry and its impact on divertor strike points
skos:notation
RIV/61389021:_____/11:00366763!RIV12-AV0-61389021
n15:predkladatel
n18:ico%3A61389021
n3:aktivita
n5:Z n5:P
n3:aktivity
P(7G09042), P(LA08048), Z(AV0Z20430508)
n3:cisloPeriodika
1
n3:dodaniDat
n4:2012
n3:domaciTvurceVysledku
n14:8684014
n3:druhVysledku
n12:J
n3:duvernostUdaju
n9:S
n3:entitaPredkladatele
n16:predkladatel
n3:idSjednocenehoVysledku
212872
n3:idVysledku
RIV/61389021:_____/11:00366763
n3:jazykVysledku
n19:eng
n3:klicovaSlova
tokamaks; ELM control; resonant magnetic perturbations; divertor
n3:klicoveSlovo
n11:divertor n11:tokamaks n11:resonant%20magnetic%20perturbations n11:ELM%20control
n3:kodStatuVydavatele
NL - Nizozemsko
n3:kontrolniKodProRIV
[583B0AABCDAB]
n3:nazevZdroje
Journal of Nuclear Materials
n3:obor
n20:BL
n3:pocetDomacichTvurcuVysledku
1
n3:pocetTvurcuVysledku
2
n3:projekt
n7:7G09042 n7:LA08048
n3:rokUplatneniVysledku
n4:2011
n3:svazekPeriodika
415
n3:tvurceVysledku
Nardon, E. Cahyna, Pavel
n3:wos
000298128100211
n3:zamer
n17:AV0Z20430508
s:issn
0022-3115
s:numberOfPages
5
n10:doi
10.1016/j.jnucmat.2011.01.117