About: Comparison of ICRF and NBI Heated Plasmas Performances in the JET ITER-Like Wall

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	In this contribution we compare L-modes plasmas heated by ICRF or by Neutral Beam Injection (NET). ICRF heating as expected led to a much higher centrally peaked power deposition on the electrons and due to the central fast ion population to stronger sawtooth activity. Surprisingly, although a higher bulk radiation was observed during the ICRF phase, the thermal plasma energy was found similar for both cases, showing that a higher radiation inside the separatrix was not incompatible with an efficient central heating scheme. The higher radiation was attributed to the presence Tungsten (W). Tomographic inversion of SXR emissions allowed a precise observation of the sawtooth effect on the radiation pattern. W concentration profiles deconvolved from SXR emission showed the flattening of the profiles due to sawtooth for both heating and the peaking of the profiles in the NET case only hinting for extra transport effect in the ICRF case. In this contribution we compare L-modes plasmas heated by ICRF or by Neutral Beam Injection (NET). ICRF heating as expected led to a much higher centrally peaked power deposition on the electrons and due to the central fast ion population to stronger sawtooth activity. Surprisingly, although a higher bulk radiation was observed during the ICRF phase, the thermal plasma energy was found similar for both cases, showing that a higher radiation inside the separatrix was not incompatible with an efficient central heating scheme. The higher radiation was attributed to the presence Tungsten (W). Tomographic inversion of SXR emissions allowed a precise observation of the sawtooth effect on the radiation pattern. W concentration profiles deconvolved from SXR emission showed the flattening of the profiles due to sawtooth for both heating and the peaking of the profiles in the NET case only hinting for extra transport effect in the ICRF case. (en)
Title	Comparison of ICRF and NBI Heated Plasmas Performances in the JET ITER-Like Wall Comparison of ICRF and NBI Heated Plasmas Performances in the JET ITER-Like Wall (en)
skos:prefLabel	Comparison of ICRF and NBI Heated Plasmas Performances in the JET ITER-Like Wall Comparison of ICRF and NBI Heated Plasmas Performances in the JET ITER-Like Wall (en)
skos:notation	RIV/61389021:_____/14:00435792!RIV15-AV0-61389021
http://linked.open...avai/riv/aktivita	I
http://linked.open...avai/riv/aktivity	I
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Mlynář, Jan
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
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	8100
http://linked.open...ai/riv/idVysledku	RIV/61389021:_____/14:00435792
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	JET; ITER-like wall; ICRF heating; impurities; sawtooth; simulation; transport (en)
http://linked.open.../riv/klicoveSlovo	impurities JET simulation transport ICRF heating ITER-like wall sawtooth
http://linked.open...ontrolniKodProRIV	[307147F43F51]
http://linked.open...v/mistoKonaniAkce	Sorrento
http://linked.open...i/riv/mistoVydani	Melville
http://linked.open...i/riv/nazevZdroje	AIP Conference Proceedings
http://linked.open...in/vavai/riv/obor	BL
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	12 (xsd:int)
http://linked.open...UplatneniVysledku	2014
http://linked.open...iv/tvurceVysledku	Mlynář, Jan Bobkov, V. Colas, L. Czarnecka, A. Jacquet, P. Lerche, E. Mayoral, M.-L. Pütterich, T. Neu, R. Bourdelle, C. Van-Eester, D.
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open...ain/vavai/riv/wos	000339626400035
http://linked.open.../riv/zahajeniAkce	2013-06-25 (xsd:date)
issn	0094-243X
number of pages	4 (xsd:int)
http://bibframe.org/vocab/doi	10.1063/1.4864530
http://purl.org/ne...btex#hasPublisher	American Institute of Physics
https://schema.org/isbn	978-0-7354-1210-1

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