Light impurity transport studies with solid pellet injections in the RFX-mod reversed-field pinch (Articolo in rivista)

Type
Label
  • Light impurity transport studies with solid pellet injections in the RFX-mod reversed-field pinch (Articolo in rivista) (literal)
Anno
  • 2015-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1088/0741-3335/57/2/025006 (literal)
Alternative label
  • T Barbui1, L Carraro1, P Franz1, P Innocente1, S Munaretto2 and G Spizzo1 (2015)
    Light impurity transport studies with solid pellet injections in the RFX-mod reversed-field pinch
    in Plasma physics and controlled fusion (Online); IOP PUBLISHING, BRISTOL (Regno Unito)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • T Barbui1, L Carraro1, P Franz1, P Innocente1, S Munaretto2 and G Spizzo1 (literal)
Pagina inizio
  • 025006 (literal)
Pagina fine
  • 025019 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 57 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • 1Consorzio RFX, Padova, Italy 2 Department of Physics, University of Wisconsin-Madison, Madison, WI, USA (literal)
Titolo
  • Light impurity transport studies with solid pellet injections in the RFX-mod reversed-field pinch (literal)
Abstract
  • The transport of injected impurities is investigated in the multiple helicity (MH) and improved confinement quasi single helicity (QSH) magnetic regimes of RFX-mod reversedfield pinch. Impurities are introduced through injections of room temperature pellets of carbon (in MH and QSH) and lithium (in MH). Simulation of experimental spectroscopic measurements, including line and soft x-rays emission, electron density and radiated power is carried out with a 1D collisional-radiative impurity transport code, allowing to determine the transport parameters: diffusion coefficient and convective velocity. The transport coefficients were found close to those deduced in previous experiments through the introduction of Ni and Ne, confirming the existence of an external velocity barrier also for light impurities. (literal)
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