About: Numerical sensitivity analysis of divertor heat flux and edge temperature at DIII-D under the influence of resonant magnetic perturbations

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About: Numerical sensitivity analysis of divertor heat flux and edge temperature at DIII-D under the influence of resonant magnetic perturbations Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The impact of resonant magnetic perturbations on the edge plasma is investigated with the EMC3-EIRENE code. Earlier simulations have shown discrepancies to experimental observations regarding splitting of the divertor heat flux and reduction of the edge temperature. We demonstrate that the latter discrepancy is related to a possible overestimation of the classical parallel electron heat conductivity at low collisionalities. Furthermore, the heat flux splitting pattern can be modified through the application of an RMP screening model, while other model advancements – such as neutral gas pumping and re-fuelling, an 'ad hoc' flux limit or impurity radiation – seem to have no impact on the splitting pattern. A broadening and shape change of the toroidally averaged divertor heat flux is analyzed. The impact of resonant magnetic perturbations on the edge plasma is investigated with the EMC3-EIRENE code. Earlier simulations have shown discrepancies to experimental observations regarding splitting of the divertor heat flux and reduction of the edge temperature. We demonstrate that the latter discrepancy is related to a possible overestimation of the classical parallel electron heat conductivity at low collisionalities. Furthermore, the heat flux splitting pattern can be modified through the application of an RMP screening model, while other model advancements – such as neutral gas pumping and re-fuelling, an 'ad hoc' flux limit or impurity radiation – seem to have no impact on the splitting pattern. A broadening and shape change of the toroidally averaged divertor heat flux is analyzed. (en)
Title	Numerical sensitivity analysis of divertor heat flux and edge temperature at DIII-D under the influence of resonant magnetic perturbations Numerical sensitivity analysis of divertor heat flux and edge temperature at DIII-D under the influence of resonant magnetic perturbations (en)
skos:prefLabel	Numerical sensitivity analysis of divertor heat flux and edge temperature at DIII-D under the influence of resonant magnetic perturbations Numerical sensitivity analysis of divertor heat flux and edge temperature at DIII-D under the influence of resonant magnetic perturbations (en)
skos:notation	RIV/61389021:_____/13:00395781!RIV14-AV0-61389021
http://linked.open...avai/predkladatel	Ústav fyziky plazmatu AVČR, v.v.i.
http://linked.open...avai/riv/aktivita	I P
http://linked.open...avai/riv/aktivity	I, P(GAP205/11/2341)
http://linked.open...iv/cisloPeriodika	suppl
http://linked.open...vai/riv/dodaniDat	2014
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	92573
http://linked.open...ai/riv/idVysledku	RIV/61389021:_____/13:00395781
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Plasma properties; Plasma-Materials Interaction (en)
http://linked.open.../riv/klicoveSlovo	Plasma properties Plasma-Materials Interaction
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[EAC291E25BF0]
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	6 (xsd:int)
http://linked.open...vavai/riv/projekt	Control of edge localized modes in tokamaks by external magnetic perturbations
http://linked.open...UplatneniVysledku	2013
http://linked.open...v/svazekPeriodika	438
http://linked.open...iv/tvurceVysledku	Feng, Y. Cahyna, Pavel Evans, T. E. Schmitz, O. Frerichs, H. Reiter, D.
http://linked.open...ain/vavai/riv/wos	000330795300069
issn	0022-3115
number of pages	4 (xsd:int)
http://bibframe.org/vocab/doi	10.1016/j.jnucmat.2013.01.068

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