Overview of JET results (Articolo in rivista)

Type
Label
  • Overview of JET results (Articolo in rivista) (literal)
Anno
  • 2003-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1088/0029-5515/43/12/002 (literal)
Alternative label
  • J. Pamela, Emilia R. Solano, and JET EFDA Contributors (Including Bruschi A., Gorini G., Granucci G., Lazzaro E., Mantica P., Nowak S., Sozzi C., Tardocchi M., Paolo Innocente) (2003)
    Overview of JET results
    in Nuclear fusion
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • J. Pamela, Emilia R. Solano, and JET EFDA Contributors (Including Bruschi A., Gorini G., Granucci G., Lazzaro E., Mantica P., Nowak S., Sozzi C., Tardocchi M., Paolo Innocente) (literal)
Pagina inizio
  • 1540 (literal)
Pagina fine
  • 1554 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://iopscience.iop.org/0029-5515/43/12/002/ (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 43 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • [ 1 ] EFDA, Close Support Unit, Culham Sci Ctr, Abingdon OX14 3EA, Oxon, England [ 2 ] CEA Cadarache, EURATOM Assoc, F-13108 St Paul Les Durance, France [ 3 ] CIEMAT, EURATOM Assoc, E-28040 Madrid, Spain [ 4 ] Dublin City Univ, EURATOM Assoc, Dublin 9, Ireland [ 5 ] Univ Coll Cork, Dept Phys, Cork, Ireland [ 6 ] Consorzio RFX, I-35127 Padua, Italy [ 7 ] ENEA CR Frascati, I-00044 Frascati, Italy [ 8 ] EURATOM, ENEA, CREATE, I-80125 Naples, Italy [ 9 ] EURATOM, CNR, Inst Fis Plasma, I-20125 Milan, Italy [ 10 ] Univ Cagliari, Elect & Elect Engn Dept, I-09123 Cagliari, Italy [ 11 ] ENEA, CR Brasimone, CP1, I-40032 Camugnano, Italy [ 12 ] ENEA, I-40129 Bologna, Italy [ 13 ] EURATOM, FOM, TEC, NL-3430 BE Nieuwegein, Netherlands [ 14 ] Forschungszentrum Julich, Inst Plasmaphys, D-52425 Julich, Germany [ 15 ] Max Planck Inst Plasma Phys, EURATOM Assoc, D-85748 Garching, Germany [ 16 ] EURATOM, IST, Ctr Fusao Nucl, P-1049001 Lisbon, Portugal [ 17 ] EURATOM VR Assoc, Swedish Res Council, SE-10378 Stockholm, Sweden [ 18 ] EURATOM, OAW, A-1030 Vienna, Austria [ 19 ] Ecole Polytech Fed Lausanne, Ctr Rech Phys Plasmas, Assoc Euratom Confederat Suisse, CH-1015 Lausanne, Switzerland [ 20 ] Helsinki Univ Technol, Assoc Euratom TEKES, FIN-02015 Helsinki, Finland [ 21 ] VTT Proc, FIN-02044 Espoo, Finland [ 22 ] Forschungszentrum Karlsruhe, EURATOM Assoc, D-76021 Karlsruhe, Germany [ 23 ] UKAEA Euratom Fus Assoc, Culham Sci Ctr, Abingdon OX14 3DB, Oxon, England [ 24 ] MPI, EFDA Close Support Unit, D-85748 Garching, Germany [ 25 ] Royal Mil Acad, EURATOM Assoc, LPP, ERM,KMS, B-1000 Brussels, Belgium [ 26 ] EURATOM, IPP, Prague 18221 8, Czech Republic [ 27 ] Hungarian Acad Sci, KFKI, Res Inst Particle & Nucl Phys, H-1525 Budapest, Hungary [ 28 ] Univ Nice, Nice, France [ 29 ] Univ London Imperial Coll Sci Technol & Med, London SW7 2AZ, England [ 30 ] Colorado Sch Mines, Dept Phys, Golden, CO 80401 USA [ 31 ] Gen Atom Co, San Diego, CA USA [ 32 ] Univ Texas, Inst Fus Studies, Austin, TX 78712 USA [ 33 ] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA [ 34 ] Lehigh Univ, Bethlehem, PA 18015 USA [ 35 ] Plasma Sci & Fus Ctr, Cambridge, MA 02139 USA [ 36 ] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA [ 37 ] Princeton Plasma Phys Lab, Princeton, NJ 08543 USA [ 38 ] Sandia Natl Labs, Albuquerque, NM 87185 USA [ 39 ] Prairie View A& M Univ, Prairie View, TX 77446 USA [ 40 ] Univ Calif San Diego, La Jolla, CA 92093 USA [ 41 ] Univ Maryland, College Pk, MD 20742 USA [ 42 ] Univ Toronto, Inst Aerosp Studies, Toronto, ON M3H 5T6, Canada [ 43 ] Univ Wisconsin, Madison, WI 53706 USA (literal)
Titolo
  • Overview of JET results (literal)
Abstract
  • Scientific and technical activities on JET focus on the issues likely to affect the ITER design and operation. Our understanding of the ITER reference mode of operation, the ELMy H-mode, has progressed significantly. The extrapolation of ELM size to ITER has been re-evaluated. Neoclassical tearing modes have been shown to be meta-stable in JET, and their beta limits can be raised by destabilization (modification) of sawteeth by ion cyclotron radio frequency heating (ICRH). Alpha simulation experiments with ICRH accelerated injected 4He beam ions provide a new tool for fast particle and magnetohydrodynamic studies, with up to 80–90% of plasma heating by fast 4He ions. With or without impurity seeding, a quasi-steady-state high confinement (H98 = 1), high density (ne/nGW = 0.9–1) and high beta(betaN = 2) ELMy H-mode has been achieved by operating near the ITER triangularity (delta 0.40–0.5) and safety factor (q95 around 3), at Zeff around1.5–2. In advanced tokamak (AT) scenarios, internal transport barriers (ITBs) are now characterized in real time with a new criterion. Tailoring of the current profile with lower hybrid current drive provides reliable access to a variety of q profiles, lowering access power for barrier formation. Rational q surfaces appear to be associated with ITB formation. Alfven cascades were observed in reversed shear plasmas, providing identification of q profile evolution. Plasmas with ‘current holes’ were observed and modelled. Transient high confinement AT regimes with H89 = 3.3, betaN = 2.4 and ITER-relevant q < 5 were achieved with reversed magnetic shear. Quasi-stationary ITBs are developed with full non-inductive current drive, including about 50% bootstrap current. A record duration of ITBs was achieved, up to 11 s, approaching the resistive time. For the first time, pressure and current profiles of AT regimes are controlled by a real-time feedback system, in separate experiments. Erosion and co-deposition studies with a quartz micro-balance show reduced co-deposition. Measured divertor thermal loads during disruptions in JET could modify ITER assumptions. (literal)
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