Profile stiffness and global confinement (Articolo in rivista)

Type
Label
  • Profile stiffness and global confinement (Articolo in rivista) (literal)
Anno
  • 2004-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1088/0741-3335/46/9/002 (literal)
Alternative label
  • X Garbet1, P Mantica2, F Ryter3, G Cordey4, F Imbeaux1, C Sozzi2, A Manini3, E Asp1, V Parail4, R Wolf5 and the JET EFDA Contributors (2004)
    Profile stiffness and global confinement
    in Plasma physics and controlled fusion (Print); IOP Publishing Ltd. (Institute of Physics Publishing Ltd), "Bristol ; London" (Regno Unito)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • X Garbet1, P Mantica2, F Ryter3, G Cordey4, F Imbeaux1, C Sozzi2, A Manini3, E Asp1, V Parail4, R Wolf5 and the JET EFDA Contributors (literal)
Pagina inizio
  • 1351 (literal)
Pagina fine
  • 1373 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://iopscience.iop.org/0741-3335/46/9/002/ (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 46 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 23 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • 1. CEA Cadarache, EURATOM Assoc, CEA, F-13108 St Paul Les Durance, France 2. EURATOM, CNR, Ist Fis Plasma, I-20125 Milan, Italy 3. EURATOM, MPI Plasmaphys, D-8046 Garching, Germany 4. UKAEA, EURATOM, Culham Sci Ctr, Abingdon OX14 3DB, Oxon, England 5. FZJ, EURATOM Assoc, Inst Plasma Phys, D-52425 Julich, Germany (literal)
Titolo
  • Profile stiffness and global confinement (literal)
Abstract
  • This paper analyses the properties of a critical gradient transport model based on a few assumptions: electrostatic gyroBohm scaling law, existence of an instability threshold and finite background transport below the threshold. A quantitative criterion of stiffness is proposed, which provides the means for a quantitative assessment and inter-machine comparison. It is also shown that this transport model is compatible with a two-term scaling law of global confinement, as proposed recently by the International Tokamak Physics Activity-Confinement Data Base and Modelling Topical Group. This model has also been applied to analyse a variety of experiments mostly using electron heat modulation on JET, ASDEX-Upgrade, TORE SUPRA and FTU. The thresholds are found to be in the expected domain for micro-instabilities in tokamaks. However, the stiffness factor is found to cover a broad range of variation. (literal)
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