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Tractable flux-driven temperature, density, and rotation profile evolution with the quasilinear gyrokinetic transport model QuaLiKiz
DIFFER Dutch Inst Fundamental Energy Res, De Zaale 20, NL-5612 AJ Eindhoven, Netherlands.;CEA, IRFM, F-13108 St Paul Les Durance, France.;FOM Inst DIFFER, Eindhoven, Netherlands..
KTH, Skolan för elektroteknik och datavetenskap (EECS), Elektroteknik, Fusionsplasmafysik.
KTH, Skolan för elektroteknik och datavetenskap (EECS), Elektroteknik, Fusionsplasmafysik.ORCID-id: 0000-0002-9546-4494
Vise andre og tillknytning
Rekke forfattare: 12382017 (engelsk)Inngår i: Plasma Physics and Controlled Fusion, ISSN 0741-3335, E-ISSN 1361-6587, Vol. 59, nr 12, artikkel-id 124005Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Quasilinear turbulent transport models are a successful tool for prediction of core tokamak plasma profiles in many regimes. Their success hinges on the reproduction of local nonlinear gyrokinetic fluxes. We focus on significant progress in the quasilinear gyrokinetic transport model QuaLiKiz (Bourdelle et al 2016 Plasma Phys. Control. Fusion 58 014036), which employs an approximated solution of the mode structures to significantly speed up computation time compared to full linear gyrokinetic solvers. Optimisation of the dispersion relation solution algorithm within integrated modelling applications leads to flux calculations x 10(6-7) faster than local nonlinear simulations. This allows tractable simulation of flux-driven dynamic profile evolution including all transport channels: ion and electron heat, main particles, impurities, and momentum. Furthermore, QuaLiKiz now includes the impact of rotation and temperature anisotropy induced poloidal asymmetry on heavy impurity transport, important for W-transport applications. Application within the JETTO integrated modelling code results in 1 s of JET plasma simulation within 10 h using 10 CPUs. Simultaneous predictions of core density, temperature, and toroidal rotation profiles for both JET hybrid and baseline experiments are

sted, utgiver, år, opplag, sider
IOP PUBLISHING LTD , 2017. Vol. 59, nr 12, artikkel-id 124005
Emneord [en]
tokamak, turbulence, gyrokinetics, integrated modelling
HSV kategori
Identifikatorer
URN: urn:nbn:se:kth:diva-270562DOI: 10.1088/1361-6587/aa8aebISI: 000415600000001Scopus ID: 2-s2.0-85034566371OAI: oai:DiVA.org:kth-270562DiVA, id: diva2:1414177
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QC 20200312

Tilgjengelig fra: 2020-03-12 Laget: 2020-03-12 Sist oppdatert: 2020-05-11bibliografisk kontrollert

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Bykov, IgorFrassinetti, LorenzoGarcia-Carrasco, AlvaroHellsten, TorbjörnJohnson, ThomasMenmuir, SheenaPetersson, PerRachlew, ElisabethRatynskaia, SvetlanaRubel, MarekStefanikova, EsteraStröm, PetterTholerus, EmmiTolias, PanagiotisOlivares, Pablo VallejosWeckmann, ArminZhou, Yushun
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