Issues in the plasma wall interactions in RFX (Articolo in rivista)

Type
Label
  • Issues in the plasma wall interactions in RFX (Articolo in rivista) (literal)
Anno
  • 2001-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/S0022-3115(00)00545-6 (literal)
Alternative label
  • M. Valisa; R. Bartiromo; D. Bettella; L. Carraro; S. Costa; P. Martin; S. Martini; R. Pasqualotto; M.E. Puiatti; P. Scarin; F. Sattin; G. Telesca; P. Zanca; B. Zaniol; RFX Team (2001)
    Issues in the plasma wall interactions in RFX
    in Journal of nuclear materials; Elsevier, Amsterdam (Paesi Bassi)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • M. Valisa; R. Bartiromo; D. Bettella; L. Carraro; S. Costa; P. Martin; S. Martini; R. Pasqualotto; M.E. Puiatti; P. Scarin; F. Sattin; G. Telesca; P. Zanca; B. Zaniol; RFX Team (literal)
Pagina inizio
  • 980 (literal)
Pagina fine
  • 984 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#altreInformazioni
  • e-ISSN: 1873-4820 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://www.sciencedirect.com/science/article/pii/S0022311500005456# (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 290-293 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 5 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Consorzio RFX, Corso Stati Uniti, Corso Stati Uniti 4, I-35127 Padova, Italy (literal)
Titolo
  • Issues in the plasma wall interactions in RFX (literal)
Abstract
  • The standard intrinsic nature of transport in reversed field pinches entails that remarkable ohmic power input (20-80 MW) is involved in the all-graphite, MA level RFX device. MHD instabilities restrict the region of plasma-wall interaction (PWI), where power densities >100 may be locally reached. Means for handling such power have been successfully devised to avoid carbon bloom and allow reproducible experiments around 1 MA of plasma current. Improved confinement schemes (quasi-single helicity, pulsed poloidal current drive (PPCD)) corresponding to a more ordered magnetic configuration have opened new operational perspective in which PWI is a less severe problem. However, in general, plasma contamination is not a specific issue. Screening processes have been associated with low ionisation length to Larmor radius ratios and with the presence of an edge radial electric field. Impurities appear to have a role in the formation of the radial electric field by enhancing the ion prompt losses (literal)
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