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          Institute: MPI für Plasmaphysik     Collection: Conference Papers     Display Documents

ID: 59966.0, MPI für Plasmaphysik / Conference Papers
Improved plasma confinement by ion Bernstein waves (IBWs) interacting with ions in JET (Joint European Torus)
Authors:Castaldo, C.; Cesario, R.; Andrew, Y.; Cardinali, A.; Kiptily, V.; Mantsinen, M.; Meo, F.; Murari, A.; Tuccillo, A. A.; Valisa, M.; Van Eester, D.; Bertalot, L.; Betella, D.; Giroud, C.; Ingesson, C.; Joffrin, E.; Mayoral, M.-L.; Meneses, L.; JET EFDA Contributors
Publisher:International Atomic Energy Agency
Place of Publication:Vienna
Date of Publication (YYYY-MM-DD):2003
Title of Proceedings:Fusion Energy 2002
Sequence Number:PD/P-01
Physical Description:CD-ROM
Name of Conference/Meeting:19th Fusion Energy Conference
Place of Conference/Meeting:Lyon (FR)
(Start) Date of Conference/Meeting
End Date of Conference/Meeting 
Review Status:Internal review
Audience:Experts Only
Abstract / Description:A new coupling scheme of ion Bernstein waves (IBW) to plasma ions, by mode conversion of fast waves, has been tested in D-³He plasma of the JET
tokamak. Injecting 4.8 MW ion cyclotron radio frequency power, 1.8 MW IBW power absorption on deuterons occurs at the fundamental cyclotron resonant layer,
which is located in the high field side near the plasma edge (R = 2.1 m). Plasma sheared flows, ponderomotively induced by IBW, are observed near the edge,
producing an E×B shearing rate of 5 MHz, higher than the threshold expected for turbulence suppression. Transport analysis shows a 70diffusivity of both
electrons and ions in the edge plasma region where the sheared flows are observed.
External Publication Status:published
Document Type:Conference-Paper
Communicated by:N. N.
Affiliations:MPI für Plasmaphysik/Technology
External Affiliations:Associazione Euratom -ENEA sulla Fusione, Frascati, Italy; Euratom-UKAEA Fusion Association, Culham Science Centre, Abingdon, England; Association Euratom-Tekes, VTT Processes, Finland; Associazione Euratom - CNR Consorzio RFX, Padova, Italy; Laboratory for Plasma Physics Koninklijke Militaire School / Ecole Royale Militaire Association Euratom - Belgian State, Brussels, Belgium; FOM-Rijnhuizen, Association Euratom - FOM, TEC, Nieuwegein, The Netherlands; Association Euratom - CEA, CEA Cadarache, St Paul lez Durance, France; Associação Euratom - IST, Centro de Fusão Nuclear, Lisboa, Portugal
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