Density Limit Studies in the Tokamak and the Reversed-Field Pinch (Contributo in atti di convegno)

Type
Label
  • Density Limit Studies in the Tokamak and the Reversed-Field Pinch (Contributo in atti di convegno) (literal)
Anno
  • 2014-01-01T00:00:00+01:00 (literal)
Alternative label
  • Spizzo G.; Pucella G.; Tudisco O.; Zuin M.; Agostini M., Auriemma F.; Buratti P.; Carraro L.; Cavazzana R.; Ciaccio G.; De Masi G.; Galperti C.; Granucci G.; Marinucci M.; Marrelli L.; Martines E.; Mazzotta C.; Moro A.; Puiatti M.E.; Scarin P.; Sozzi C.; Spolaore M.; Schmitz O.; Vianello N.; White R.B. (2014)
    Density Limit Studies in the Tokamak and the Reversed-Field Pinch
    in 25th IAEA Fusion Energy Conference (FEC 2014), St. Petersburg, Russian Federation, 13-18 October 2014
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Spizzo G.; Pucella G.; Tudisco O.; Zuin M.; Agostini M., Auriemma F.; Buratti P.; Carraro L.; Cavazzana R.; Ciaccio G.; De Masi G.; Galperti C.; Granucci G.; Marinucci M.; Marrelli L.; Martines E.; Mazzotta C.; Moro A.; Puiatti M.E.; Scarin P.; Sozzi C.; Spolaore M.; Schmitz O.; Vianello N.; White R.B. (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#altreInformazioni
  • Poster EX/P1-42; Book of Abstracts page 196 (url pdf page 200) http://www-pub.iaea.org/MTCD/Meetings/PDFplus/2014/cn221/cn221ConferenceProgrammeAndAbstracts.pdf (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://www-naweb.iaea.org/napc/physics/index.html (literal)
Note
  • Abstract (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • 1 Consorzio RFX (CNR, ENEA, INFN, Università di Padova, Acciaierie Venete SpA), Corso Stati Uniti 4 - 35127 Padova (Italy); / 2 ENEA, Centro Ricerche di Frascati, Italy; / 3 IFP-CNR, Via R. Cozzi 53, 20125 Milano, Italy; / 4 Department of Engineering Physics, University of Wisconsin - Madison (USA); / 5 Plasma Physics Laboratory, P.O.Box 451, Princeton, New Jersey 08543 (USA). (G. Spizzo1, G. Pucella2, O. Tudisco2, M. Zuin1, M. Agostini1, F. Auriemma1, P. Buratti2, L. Carraro1, R. Cavazzana1, G. Ciaccio1, G. De Masi1, C. Galperti3, G. Granucci3, M. Marinucci2, L. Marrelli1, E. Martines1, C. Mazzotta2, A. Moro3, M. E. Puiatti1, P. Scarin1, C. Sozzi3, M. Spolaore1, O. Schmitz4, N. Vianello1 and R. B. White5) (literal)
Titolo
  • Density Limit Studies in the Tokamak and the Reversed-Field Pinch (literal)
Abstract
  • The ITER scenarios and the project of DEMO involve stable operation above the Greenwald density, which justifies efforts to understand and overcome the density limit, observed as a disruptive termination of tokamak discharges and a thermal crash (with no disruption) of stellarator and reversed-field pinch (RFP) ones. Both in the tokamak and the RFP, new finds show that the high density limit is not governed by a unique, theoretically well-determined physical phenomenon, but by a combination of complicated mechanisms involving two-fluid effects, electrostatic plasma response to magnetic islands and plasma-wall interaction. In this paper we will show new evidence challenging the traditional picture of the \"Greenwald limit\", in particular with reference to the role of thermal instabilities and the edge radial electric field Er in the development of this limit. (literal)
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