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  • Baiocchi, B.CEA, IRFM, F-13108 St Paul Les Durance, France.;CEA, IRFM, F-13108 St Paul Les Durance, France. EUROfus Consortium, JET, Culham Sci Ctr, Abingdon OX14 3DB, Oxon, England.;IRFM, CEA, F-13108 St Paul Les Durance, France. (author)

Transport analysis and modelling of the evolution of hollow density profiles plasmas in JET and implication for ITER

  • Article/chapterEnglish2015

Publisher, publication year, extent ...

  • 2015-10-15
  • IOP PUBLISHING LTD,2015
  • printrdacarrier

Numbers

  • LIBRIS-ID:oai:DiVA.org:kth-270475
  • https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-270475URI
  • https://doi.org/10.1088/0029-5515/55/12/123001DOI
  • https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-426807URI

Supplementary language notes

  • Language:English
  • Summary in:English

Part of subdatabase

Classification

  • Subject category:ref swepub-contenttype
  • Subject category:art swepub-publicationtype

Notes

  • QC 20200416
  • For complete list of authors see http://dx.doi.org/10.1088/0029-5515/55/12/123001
  • The density evolution during the transient phase just after the L-H transition is investigated using theoretical transport models. Cases characterized by core densities which evolve in longer timescales than the edge densities, leading to hollow density profiles (R/L-n = -R del n/n < 0) are modelled. This density evolution is particularly interesting because it has been shown to be beneficial in the view of the access to burning plasma conditions in ITER (Loarte et al 2013 Nucl. Fusion 53 083031). Self-consistent simulations of the JET discharge 79676 of the density-only, and of the density and the temperatures are carried out using a quasilinear gyrokinetic code, QuaLiKiz (Bourdelle et al 2007 Phys. Plasmas 14 112501), coupled with a transport code CRONOS (Artaud et al 2010 Nucl. Fusion 50 043001). The slow evolution of the hollow density, associated with the self-consistently calculated hollow NBI particle deposition, is well reproduced in the plasma core. Indeed, QuaLiKiz is shown to reproduce nonlinear gyrokinetic heat and particle fluxes well for both positive and negative R/L-n. That gives a theoretical and general basis for the persistence of the hollowness, laying the groundwork for the extrapolation to ITER.

Subject headings and genre

Added entries (persons, corporate bodies, meetings, titles ...)

  • Bergsåker, HenricKTH,Fusionsplasmafysik(Swepub:kth)u1ebt1m5 (author)
  • Bykov, IgorKTH,Fusionsplasmafysik(Swepub:kth)u10mpxru (author)
  • Elevant, ThomasKTH,Fusionsplasmafysik(Swepub:kth)u10bkwuw (author)
  • Frassinetti, LorenzoKTH,Fusionsplasmafysik(Swepub:kth)u1sfgalb (author)
  • Garcia-Carrasco, AlvaroKTH,Fusionsplasmafysik(Swepub:kth)u19t9s7i (author)
  • Hellsten, TorbjörnKTH,Fusionsplasmafysik(Swepub:kth)u16w7v9f (author)
  • Ivanova, DaryaKTH,Fusionsplasmafysik(Swepub:kth)u1c0rupi (author)
  • Johnson, ThomasKTH,Fusionsplasmafysik(Swepub:kth)u1xypjyh (author)
  • Menmuir, SheenaKTH,Fusionsplasmafysik(Swepub:kth)u12gjaah (author)
  • Petersson, PerKTH,Fusionsplasmafysik(Swepub:kth)u1mnanst (author)
  • Rachlew, Elisabeth,1944-KTH,Fysik(Swepub:kth)u12i3o9i (author)
  • Rubel, MarekKTH,Fusionsplasmafysik(Swepub:kth)u1vrej8y (author)
  • Ström, PetterKTH,Fusionsplasmafysik(Swepub:kth)u1uqpnn8 (author)
  • Tholerus, EmmiKTH,Fusionsplasmafysik(Swepub:kth)u15bspw9 (author)
  • Weckmann, ArminKTH,Fusionsplasmafysik(Swepub:kth)u1z0ow6d (author)
  • Zychor, I.--,Inst Plasma Phys & Laser Microfus, PL-01497 Warsaw, Poland (author)
  • Andersson Sundén, ErikUppsala universitet,Tillämpad kärnfysik(Swepub:uu)erasu959 (author)
  • Militello Asp, ElinaUppsala universitet,Tillämpad kärnfysik (author)
  • Binda, Federico,1987-Uppsala universitet,Tillämpad kärnfysik(Swepub:uu)frebi774 (author)
  • Cecconello, MarcoUppsala universitet,Tillämpad kärnfysik(Swepub:uu)marce924 (author)
  • Conroy, SeanUppsala universitet,Tillämpad kärnfysik(Swepub:uu)sco17122 (author)
  • Dzysiuk, NataliiaUppsala universitet,Tillämpad kärnfysik(Swepub:uu)natdz668 (author)
  • Ericsson, GöranUppsala universitet,Tillämpad kärnfysik(Swepub:uu)ger17122 (author)
  • Eriksson, Jacob,Dr,1985-Uppsala universitet,Tillämpad kärnfysik(Swepub:uu)jacer352 (author)
  • Hellesen, Carl,1980-Uppsala universitet,Tillämpad kärnfysik(Swepub:uu)cahel173 (author)
  • Hjalmarsson, AndersUppsala universitet,Tillämpad kärnfysik(Swepub:uu)ahj25356 (author)
  • Possnert, Göran,1951-Uppsala universitet,Tillämpad kärnfysik(Swepub:uu)gpo27116 (author)
  • Sjöstrand, Henrik,1978-Uppsala universitet,Tillämpad kärnfysik(Swepub:uu)hesjo677 (author)
  • Skiba, Mateusz,1985-Uppsala universitet,Tillämpad kärnfysik(Swepub:uu)matsk428 (author)
  • Weiszflog, MatthiasUppsala universitet,Tillämpad kärnfysik(Swepub:uu)mwe25666 (author)
  • CEA, IRFM, F-13108 St Paul Les Durance, France.;CEA, IRFM, F-13108 St Paul Les Durance, France. EUROfus Consortium, JET, Culham Sci Ctr, Abingdon OX14 3DB, Oxon, England.;IRFM, CEA, F-13108 St Paul Les Durance, France.Fusionsplasmafysik (creator_code:org_t)

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  • In:Nuclear Fusion: IOP PUBLISHING LTD55:120029-55151741-4326

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