Anomalous particle transport and flow shear in the edge region of RFP?s (Articolo in rivista)

Type
Label
  • Anomalous particle transport and flow shear in the edge region of RFP?s (Articolo in rivista) (literal)
Anno
  • 2003-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/S0022-3115(02)01572-6 (literal)
Alternative label
  • V. Antoni, H. Bergsåker*, G. Serianni, M. Spolaore, N. Vianello, R. Cavazzana, G. Regnoli, E. Spada, E. Martines, M. Bagatin, and J. R. Drake* (2003)
    Anomalous particle transport and flow shear in the edge region of RFP?s
    in Journal of nuclear materials
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • V. Antoni, H. Bergsåker*, G. Serianni, M. Spolaore, N. Vianello, R. Cavazzana, G. Regnoli, E. Spada, E. Martines, M. Bagatin, and J. R. Drake* (literal)
Pagina inizio
  • 972 (literal)
Pagina fine
  • 975 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 313 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Consorzio RFX - Associazione Euratom-Enea sulla Fusione, Corso Stati Uniti 4, I-35127 Padova, Italy *Alfv`en Laboratory, Royal Institut of Technology, Association EURATOM/NFR,10044 Stockholm, Sweden (literal)
Titolo
  • Anomalous particle transport and flow shear in the edge region of RFP?s (literal)
Abstract
  • The effect of the E×B velocity shear on the particle flux carried by electrostatic fluctuations at the edge is discussed comparing the results of the experiments T2R (R=1.2 m, a=0.18 m) and RFX (R=2 m, a=0.5 m). In both experiments electrostatic turbulence accounts for most of the particle flux. The shear of the E×B velocity is close or larger than the value required for turbulence suppression or reduction. Particle fluxes exhibit bursts which carry a large fraction of the total particle flux, and which tend to cluster during magnetic relaxation phase. On the average a Bohm estimate of the experimental plasma diffusivity accounts for the experimental data. Finally a discussion on the methods for turbulence control is given. (literal)
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