Carbon and oxygen behaviour in the reversed field pinch RFX (Articolo in rivista)

Type
Label
  • Carbon and oxygen behaviour in the reversed field pinch RFX (Articolo in rivista) (literal)
Anno
  • 1996-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1088/0029-5515/36/12/I03 (literal)
Alternative label
  • Carraro, L; Puiatti, ME; Sattin, F; Scarin, P ; Valisa, M ; Mattioli, M (1996)
    Carbon and oxygen behaviour in the reversed field pinch RFX
    in Nuclear fusion; INT ATOMIC ENERGY AGENCY, VIENNA (Austria)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Carraro, L; Puiatti, ME; Sattin, F; Scarin, P ; Valisa, M ; Mattioli, M (literal)
Pagina inizio
  • 1623 (literal)
Pagina fine
  • 1632 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#altreInformazioni
  • E-ISSN: 1741-4326 (literal)
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  • http://iopscience.iop.org/0029-5515/36/12/I03/ (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 36 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 10 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 12 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Gruppo di Padova per Richerche sulla Fusione, Univ. di Padova Assoc., Italy (literal)
Titolo
  • Carbon and oxygen behaviour in the reversed field pinch RFX (literal)
Abstract
  • The emission spectrum measured on the reversed field pinch RFX is dominated by carbon and oxygen lines. Nickel lines are seldom observed even though a large magnetic field perturbation causes intense plasma-wall interaction. The line emissions from hydrogen-like and helium-like ions observed in RFX are simulated by a collisional-radiative impurity diffusion model. An impurity diffusion coefficient of the order of 10 m(2)/s and an inward convective velocity of 90 m/s have been used for an adequate simulation of the hydrogen-like to helium-like resonant line ratios. The model can be used to estimate the effective charge of the plasma; the on-axis values in 800 kA discharges are found to range between 1.5 and 2.2, with peaks higher than 3 in the presence of carbon blooms. It is found that charge exchange processes with thermal hydrogen neutral atoms must be considered to account for the high G ratio values measured for carbon (0.6 to 0.7). (literal)
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