Ion heat transport studies in JET (Articolo in rivista)

Type
Label
  • Ion heat transport studies in JET (Articolo in rivista) (literal)
Anno
  • 2011-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1088/0741-3335/53/12/124033 (literal)
Alternative label
  • Mantica, P [ 1 ] ; Angioni, C [ 3 ] ; Baiocchi, B [ 1,4 ] ; Baruzzo, M [ 5 ] ; Beurskens, MNA [ 6 ] ; Bizarro, JPS[ 7 ] ; Budny, RV [ 8 ] ; Buratti, P [ 9 ] ; Casati, A [ 10 ] ; Challis, C [ 6 ] ; Citrin, J [ 11 ] ; Colyer, G [ 6 ] ; Crisanti, F [ 9 ] ; Figueiredo, ACA [ 7 ] ; Frassinetti, L [ 12 ] ; Giroud, C [ 6 ] ; Hawkes, N [ 6 ] ; Hobirk, J [ 3 ] ; Joffrin, E [ 10 ] ; Johnson, T [ 12 ] ; Lerche, E [ 13 ] ; Migliano, P [ 1,14 ] ; Naulin, V [ 15 ] ; Peeters, AG [ 16 ] ; Rewoldt, G [ 8 ] ; Ryter, F [ 3 ] ; Salmi, A [ 17 ] ; Sartori, R [ 18 ] ; Sozzi, C [ 1 ] ; Staebler, G [ 19 ] ; Strintzi, D [ 3 ] ; Tala, T [ 20 ] ; Tsalas, M [ 11 ] ; Van Eester, D [ 13 ] ; Versloot, T [ 11 ] ; de Vries, PC [ 11 ] ; Weiland, J [ 21,22 ]; and JET EFDA contributors (2011)
    Ion heat transport studies in JET
    in Plasma physics and controlled fusion (Print); IOP Publishing Ltd., Bristol BS1 6BE (Regno Unito)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Mantica, P [ 1 ] ; Angioni, C [ 3 ] ; Baiocchi, B [ 1,4 ] ; Baruzzo, M [ 5 ] ; Beurskens, MNA [ 6 ] ; Bizarro, JPS[ 7 ] ; Budny, RV [ 8 ] ; Buratti, P [ 9 ] ; Casati, A [ 10 ] ; Challis, C [ 6 ] ; Citrin, J [ 11 ] ; Colyer, G [ 6 ] ; Crisanti, F [ 9 ] ; Figueiredo, ACA [ 7 ] ; Frassinetti, L [ 12 ] ; Giroud, C [ 6 ] ; Hawkes, N [ 6 ] ; Hobirk, J [ 3 ] ; Joffrin, E [ 10 ] ; Johnson, T [ 12 ] ; Lerche, E [ 13 ] ; Migliano, P [ 1,14 ] ; Naulin, V [ 15 ] ; Peeters, AG [ 16 ] ; Rewoldt, G [ 8 ] ; Ryter, F [ 3 ] ; Salmi, A [ 17 ] ; Sartori, R [ 18 ] ; Sozzi, C [ 1 ] ; Staebler, G [ 19 ] ; Strintzi, D [ 3 ] ; Tala, T [ 20 ] ; Tsalas, M [ 11 ] ; Van Eester, D [ 13 ] ; Versloot, T [ 11 ] ; de Vries, PC [ 11 ] ; Weiland, J [ 21,22 ]; and JET EFDA contributors (literal)
Pagina inizio
  • 124033 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://iopscience.iop.org/0741-3335/53/12/124033/ (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 53 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • [ 1 ] Assoc Euratom ENEA CNR, Istituto di Fisica del Plasma P Caldirola, Milan, Italy [ 2 ] Culham Sci Ctr, JET EFDA, Abingdon OX14 3DB, Oxon, England [ 3 ] EURATOM, Max Planck Inst Plasmaphys, Garching, Germany [ 4 ] Univ Milan, Dept Phys, Milan, Italy [ 5 ] ENEA Euratom Assoc, Consorzio RFX, Padua, Italy [ 6 ] Culham Sci Ctr, Euratom CCFE Assoc, Abingdon OX14 3DB, Oxon, England [ 7 ] Univ Tecn Lisboa, Assoc Euratom IST, Inst Plasmas & Fusao Nucl, Inst Super Tecn, P-1049001 Lisbon, [ 8 ] Princeton Plasma Phys Lab, Princeton, NJ 08543 USA [ 9 ] CR Frascati, Assoc EURATOM ENEA Fus, Frascati, Italy [ 10 ] CEA IRFM, Assoc Euratom CEA, F-13108 St Paul Les Durance, France [ 11 ] EURATOM, FOM Inst Rijnhuizen, Nieuwegein, Netherlands [ 12 ] KTH, Assoc EURATOM VR, EES, Stockholm, Sweden [ 13 ] TEC, Assoc Euratom Belgian State, LPP ERM KMS, B-1000 Brussels, Belgium [ 14 ] Univ Milano Bicocca, Dept Phys, Milan, Italy [ 15 ] Assoc Euratom Riso DTU, DK-4000 Roskilde, Denmark [ 16 ] Univ Bayreuth, Dept Phys, D-95440 Bayreuth, Germany [ 17 ] Aalto Univ, Assoc EURATOM Tekes, Dept Appl Phys, Espoo, Finland [ 18 ] Fus Energy Joint Undertaking, Barcelona 08019, Spain [ 19 ] Gen Atom Co, San Diego, CA 92186 USA [ 20 ] VTT, Assoc EURATOM Tekes, FIN-02044 Espoo, Finland [ 21 ] Chalmers, S-41296 Gothenburg, Sweden [ 22 ] Euratom VR Assoc, Gothenburg, Sweden (literal)
Titolo
  • Ion heat transport studies in JET (literal)
Abstract
  • Detailed experimental studies of ion heat transport have been carried out in JET exploiting the upgrade of active charge exchange spectroscopy and the availability of multi-frequency ion cyclotron resonance heating with He-3 minority. The determination of ion temperature gradient (ITG) threshold and ion stiffness offers unique opportunities for validation of the well-established theory of ITG driven modes. Ion stiffness is observed to decrease strongly in the presence of toroidal rotation when the magnetic shear is sufficiently low. This effect is dominant with respect to the well-known omega(ExB) threshold up-shift and plays a major role in enhancing core confinement in hybrid regimes and ion internal transport barriers. The effects of T-e/T-i and s/q on ion threshold are found rather weak in the domain explored. Quasi-linear fluid/gyro-fluid and linear/non-linear gyro-kinetic simulations have been carried out. Whilst threshold predictions show good match with experimental observations, some significant discrepancies are found on the stiffness behaviour. (literal)
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