About: Model for screening of resonant magnetic perturbations by plasma in a realistic tokamak geometry and its impact on divertor strike points

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About: Model for screening of resonant magnetic perturbations by plasma in a realistic tokamak geometry and its impact on divertor strike points Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
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. (en)
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 (en)
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 (en)
skos:notation	RIV/61389021:_____/11:00366763!RIV12-AV0-61389021
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(7G09042), P(LA08048), Z(AV0Z20430508)
http://linked.open...iv/cisloPeriodika	1
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Cahyna, Pavel
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Ústav fyziky plazmatu AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	212872
http://linked.open...ai/riv/idVysledku	RIV/61389021:_____/11:00366763
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	tokamaks; ELM control; resonant magnetic perturbations; divertor (en)
http://linked.open.../riv/klicoveSlovo	ELM control divertor resonant magnetic perturbations tokamaks
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[583B0AABCDAB]
http://linked.open...i/riv/nazevZdroje	Journal of Nuclear Materials
http://linked.open...in/vavai/riv/obor	BL
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...vavai/riv/projekt	Joint carrying out by the Contracting Parties of activities within the thematic area %22fusion energy research%22 of the Seventh Community (Euratom) Framework Program Thermonuclear Fusion Research on the joint European tokamak JET in Culham, United Kingdom
http://linked.open...UplatneniVysledku	2011
http://linked.open...v/svazekPeriodika	415
http://linked.open...iv/tvurceVysledku	Cahyna, Pavel Nardon, E.
http://linked.open...ain/vavai/riv/wos	000298128100211
http://linked.open...n/vavai/riv/zamer	Physical and chemical processes in plasmas and theis applications
issn	0022-3115
number of pages	5 (xsd:int)
http://bibframe.org/vocab/doi	10.1016/j.jnucmat.2011.01.117

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