http://www.cnr.it/ontology/cnr/individuo/prodotto/ID226582
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)
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- E-ISSN: 1741-4326 (literal)
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- http://iopscience.iop.org/0029-5515/36/12/I03/ (literal)
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- 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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