Transport analysis of ohmic, L-mode and improved confinement discharges in FTU (Articolo in rivista)

Type
Label
  • Transport analysis of ohmic, L-mode and improved confinement discharges in FTU (Articolo in rivista) (literal)
Anno
  • 2004-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1088/0741-3335/46/11/008 (literal)
Alternative label
  • Esposito B., Marinucci M., Romanelli M., Bracco G., Castaldo C., Cocilovo V., Giovannozzi E., Leigheb M., Monari G., Nowak S., Sozzi C., Tudisco O., Cesario R., Frigione D., Gormezano C., Granucci G., Panaccione L., Pericoli-Ridolfini V., Pieroni L. and F (2004)
    Transport analysis of ohmic, L-mode and improved confinement discharges in FTU
    in Plasma physics and controlled fusion (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Esposito B., Marinucci M., Romanelli M., Bracco G., Castaldo C., Cocilovo V., Giovannozzi E., Leigheb M., Monari G., Nowak S., Sozzi C., Tudisco O., Cesario R., Frigione D., Gormezano C., Granucci G., Panaccione L., Pericoli-Ridolfini V., Pieroni L. and F (literal)
Pagina inizio
  • 1793 (literal)
Pagina fine
  • 1804 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 46 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • 1 Associazione Euratom-ENEA sulla Fusione, C.R. Frascati, Via E. Fermi 45, 00044 Frascati, Italy 2 IFP CNR, Via R. Cozzi, 53, 20125 Milano, Italy (literal)
Titolo
  • Transport analysis of ohmic, L-mode and improved confinement discharges in FTU (literal)
Abstract
  • A thorough investigation of confinement in Frascati Tokamak Upgrade has been carried out on a new database of ohmic, L-mode and advanced scenario discharges (multiple pellet-fuelled, radiation improved and internal transport barriers (ITBs)) obtained with the available auxiliary heating systems, namely electron cyclotron resonant heating, lower hybrid and ion Bernstein wave. A general agreement of the measured ?E with ITER97 L-mode scaling is found in ohmic and L-mode discharges. An improvement of the energy confinement time (?E) of up to about 60% over the ITER97 L-mode scaling has been obtained in ITB discharges, together with a reduction in local electron transport in the region of high pressure gradient, and up to about 30% in pellet-fuelled discharges (where ?E as large as ~120 ms have been reached). The linear density dependence of ?E in ohmic discharges has been found to extend above the saturation density threshold in pellet-fuelled plasmas. (literal)
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