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Determination of tungsten sources in the JET-ILW divertor by spectroscopic imaging in the presence of a strong plasma continuum

dc.creatorHuber, A.es
dc.creatorBrezinsek, S.es
dc.creatorKirschner, A.es
dc.creatorStröm, P.es
dc.creatorSergienko, G.es
dc.creatorJet Contributorses
dc.creatorGarcía Muñoz, Manueles
dc.date.accessioned2020-07-08T14:39:45Z
dc.date.available2020-07-08T14:39:45Z
dc.date.issued2019-01
dc.identifier.citationHuber, A., Brezinsek, S., Kirschner, A., Ström, P., Sergienko, G., Jet Contributors, y García Muñoz, M. (2019). Determination of tungsten sources in the JET-ILW divertor by spectroscopic imaging in the presence of a strong plasma continuum. Nuclear Materials and Energy, 18, 119-124.
dc.identifier.issn2352-1791es
dc.identifier.urihttps://hdl.handle.net/11441/99063
dc.description.abstractThe identification of the sources of atomic tungsten and the measurement of their radiation distribution in front of all plasma-facing components has been performed in JET with the help of two digital cameras with the same two-dimensional view, equipped with interference filters of different bandwidths centred on the W I (400.88 nm) emission line. A new algorithm for the subtraction of the continuum radiation was successfully developed and is now used to evaluate the W erosion even in the inner divertor region where the strong recombination emission is dominating over the tungsten emission. Analysis of W sputtering and W redistribution in the divertor by video imaging spectroscopy with high spatial resolution for three different magnetic configurations was performed. A strong variation of the emission of the neutral tungsten in toroidal direction and corresponding W erosion has been observed. It correlates strongly with the wetted area with a maximal W erosion at the edge of the divertor tile.es
dc.description.sponsorshipEURATOM 633053es
dc.formatapplication/pdfes
dc.format.extent7 p.es
dc.language.isoenges
dc.publisherElsevieres
dc.relation.ispartofNuclear Materials and Energy, 18, 119-124.
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 Internacional*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/*
dc.subjectTungsten erosiones
dc.subjectTungsten imaging spectroscopyes
dc.subjectW Divertores
dc.subjectJET-ILWes
dc.subjectPSIes
dc.subjectPFCes
dc.titleDetermination of tungsten sources in the JET-ILW divertor by spectroscopic imaging in the presence of a strong plasma continuumes
dc.typeinfo:eu-repo/semantics/articlees
dcterms.identifierhttps://ror.org/03yxnpp24
dc.type.versioninfo:eu-repo/semantics/publishedVersiones
dc.rights.accessRightsinfo:eu-repo/semantics/openAccesses
dc.contributor.affiliationUniversidad de Sevilla. Departamento de Física Atómica, Molecular y Nucleares
dc.relation.projectID633053es
dc.relation.publisherversionhttps://doi.org/10.1016/j.nme.2018.12.009es
dc.identifier.doi10.1016/j.nme.2018.12.009es
dc.contributor.groupUniversidad de Sevilla. RNM138: Física Nuclear Aplicadaes
dc.journaltitleNuclear Materials and Energyes
dc.publication.volumen18es
dc.publication.initialPage119es
dc.publication.endPage124es

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