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R. Bartiromo, A. Buffa1, V. Antoni1,
L. Apolloni, M. Bagatin1, W. Baker, F. Bellina,
P. Bettini, R. Bilato1, T. Bolzonella1,
A. Canton, S. Cappello, L. Carraro,
R. Cavazzana1, G. Chitarin, S. Costa,
F. D'Angelo, A. De Lorenzi, G. De Pol,
D. Desideri1, D. Escande, P. Fiorentin,
P. Franz1, E. Gaio, L. Garzotti,
L. Giudicotti1, F. Gnesotto, D. Gregoratto,
S. C. Guo, P. Innocente, A. Intravaia1,
A. Luchetta, G. Malesani, G. Manduchi, G. Marchiori,
L. Marrelli, P. Martin1, E. Martines,
S. Martini, A. Maschio, A. Masiello, F. Milani1,
M. Moresco1, A. Murari1, S. Ortolani,
R. Paccagnella, R. Pasqualotto1, S. Peruzzo,
R. Piovan, N. Pomaro, R. Pugno1, M. E. Puiatti,
G. Rostagni, F. Sattin1, P. Scarin, G. Serianni,
P. Sonato, E. Spada, G. Spizzo, M. Spolaore1,
C. Taliercio, G. Telesca, D. Terranova, V. Toigo,
L. Tramontin, M. Valisa, M. Viterbo1,
S. Vitturi, P. Zaccaria, P. Zanca1,
E. Zilli1, G. Zollino
Consorzio RFX - Corso Stati Uniti 4, 35127 Padova, Italy
1 These authors are also members of INFM, Unità di Padova
Abstract. This paper presents an overview of recent
experimental results obtained on the RFX device. We succeeded in obtaining and
study RFP plasma with a plasma current up to 1 MA with negligible radiation
losses and low effective charge. The local power and particle balance shows
that in standard operation the plasma core is dominated by magnetic turbulence
and that the global confinement is mainly provided by the edge region where a
strongly sheared radial electric field is present. With poloidal current drive
the amplitude of magnetic fluctuation and the thermal conductivity of the
plasma core are reduced leading to improved confinement. Reduced heat
transport is also observed when the width of the n spectrum of magnetic
fluctuations is reduced.
IAEA 2001
