Interpretative and predictive modelling of Joint European Torus collisionality scans

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dc.contributor.author JET Contributors
dc.contributor.author Eriksson, F.
dc.contributor.author Fransson, E.
dc.contributor.author Oberparleiter, M.
dc.contributor.author Nordman, H.
dc.contributor.author Strand, P.
dc.contributor.author Salmi, A.
dc.contributor.author Tala, T.
dc.contributor.author Ahlgren, T.
dc.date.accessioned 2020-02-21T09:59:02Z
dc.date.available 2020-02-21T09:59:02Z
dc.date.issued 2019-11
dc.identifier.citation JET Contributors , Eriksson , F , Fransson , E , Oberparleiter , M , Nordman , H , Strand , P , Salmi , A , Tala , T & Ahlgren , T 2019 , ' Interpretative and predictive modelling of Joint European Torus collisionality scans ' , Plasma Physics and Controlled Fusion , vol. 61 , no. 11 , 115004 . https://doi.org/10.1088/1361-6587/ab2f45
dc.identifier.other PURE: 132447792
dc.identifier.other PURE UUID: 2d02815c-d1f9-4bab-8960-544bd4998f9d
dc.identifier.other WOS: 000487556000002
dc.identifier.other ORCID: /0000-0001-6244-1942/work/70945602
dc.identifier.other ORCID: /0000-0002-0213-7305/work/70947121
dc.identifier.other ORCID: /0000-0002-4786-5234/work/70950497
dc.identifier.uri http://hdl.handle.net/10138/312076
dc.description.abstract Transport modelling of Joint European Torus (JET) dimensionless collisionality scaling experiments in various operational scenarios is presented. Interpretative simulations at a fixed radial position are combined with predictive JETTO simulations of temperatures and densities, using the TGLF transport model. The model includes electromagnetic effects and collisions as well as (E)over-right-arrow x (b)over-right-arrow shear in Miller geometry. Focus is on particle transport and the role of the neutral beam injection (NBI) particle source for the density peaking. The experimental 3-point collisionality scans include L-mode, and H-mode (D and H and higher beta D plasma) plasmas in a total of 12 discharges. Experimental results presented in (Tala et al 2017 44th EPS Conf.) indicate that for the H-mode scans, the NBI particle source plays an important role for the density peaking, whereas for the L-mode scan, the influence of the particle source is small. In general, both the interpretative and predictive transport simulations support the experimental conclusions on the role of the NBI particle source for the 12 JET discharges. en
dc.format.extent 12
dc.language.iso eng
dc.relation.ispartof Plasma Physics and Controlled Fusion
dc.rights cc_by
dc.rights.uri info:eu-repo/semantics/openAccess
dc.subject turbulence
dc.subject ITG
dc.subject gyro-fluid
dc.subject modelling
dc.subject particle transport
dc.subject DENSITY PROFILE
dc.subject TRANSPORT
dc.subject PEAKING
dc.subject FLUX
dc.subject 114 Physical sciences
dc.title Interpretative and predictive modelling of Joint European Torus collisionality scans en
dc.type Article
dc.contributor.organization Department of Physics
dc.contributor.organization Materials Physics
dc.description.reviewstatus Peer reviewed
dc.relation.doi https://doi.org/10.1088/1361-6587/ab2f45
dc.relation.issn 0741-3335
dc.rights.accesslevel openAccess
dc.type.version publishedVersion

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