On the energy transport in internal transport barriers of RFP plasmas (Articolo in rivista)

Type
Label
  • On the energy transport in internal transport barriers of RFP plasmas (Articolo in rivista) (literal)
Anno
  • 2012-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1088/0029-5515/52/6/062004 (literal)
Alternative label
  • R. Lorenzini; A. Alfier; F. Auriemma; A. Fassina; P. Franz; P. Innocente; D. Lopez-Bruna; E. Martines; B. Momo; G. Pereverzev; P. Piovesan; G. Spizzo; M. Spolaore; D. Terranova (2012)
    On the energy transport in internal transport barriers of RFP plasmas
    in Nuclear fusion; International Atomic Energy Agency, Vienna (Austria)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • R. Lorenzini; A. Alfier; F. Auriemma; A. Fassina; P. Franz; P. Innocente; D. Lopez-Bruna; E. Martines; B. Momo; G. Pereverzev; P. Piovesan; G. Spizzo; M. Spolaore; D. Terranova (literal)
Pagina inizio
  • 062004 (literal)
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  • Article Number: 062004 IOP PUBLISHING and INTERNATIONAL ATOMIC ENERGY AGENCY La rivista è pubblicata anche online con ISSN 1741-4326. (literal)
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  • http://iopscience.iop.org/0029-5515/52/6/062004/ (literal)
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  • 52 (literal)
Rivista
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  • 5 (literal)
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  • 6 (literal)
Note
  • ISI Web of Science (WOS) (literal)
  • Scopu (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • 1 Consorzio RFX, Associazione EURATOM-ENEA sulla Fusione, corso Stati Uniti 4, 35127 Padova, Italy; 2 Laboratorio Nacional de Fusión, Asociación EURATOM-CIEMAT, Madrid, Spain; 3 Max-Planck-Institut für Plasmaphysik, EURATOM-IPP Association, D-85748 Garching, Germany. (R. Lorenzini1, A. Alfier1, F. Auriemma1, A. Fassina1, P. Franz1, P. Innocente1, D. Lopez-Bruna2, E. Martines1, B. Momo1, G. Pereverzev3, P. Piovesan1, G. Spizzo1, M. Spolaore1 and D. Terranova1) (literal)
Titolo
  • On the energy transport in internal transport barriers of RFP plasmas (literal)
Abstract
  • Single helical axis (SHAx) states obtained in high current reversed field pinch (RFP) plasmas feature an internal transport barrier delimiting the hot helical core region. The electron temperature jump across this region, and the related temperature gradient, display a clear relationship with the normalized amplitude of the secondary MHD modes. A transport analysis performed with the ASTRA code, taking into account the helical geometry, yields values of the thermal conductivity in the barrier region as low as 5 m(2) s(-1). The thermal conductivity is also related to the secondary mode amplitude. Since such amplitude is reduced when plasma current is increased, it is expected that higher current plasmas will display even steeper thermal gradients and hotter helical cores. (literal)
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