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  Progress towards steady-state operation and real time control of internal transport barriers in JET

Litaudon, X., Bécoulet, A., Crisanti, F., Wolf, R. C., Baranov, Y. F., Barbato, E., et al. (2003). Progress towards steady-state operation and real time control of internal transport barriers in JET. In Fusion Energy 2002. Vienna: International Atomic Energy Agency.

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 Urheber:
Litaudon, X.1, Autor
Bécoulet, A.1, Autor
Crisanti, F.1, Autor
Wolf, R. C.2, Autor           
Baranov, Yu. F.1, Autor
Barbato, E.1, Autor
Bécoulet, M.1, Autor
Budny, R.1, Autor
Castaldo, C.1, Autor
Cesario, R.1, Autor
Challis, C. D.1, Autor
Conway, G. D.3, Autor           
De Baar, M. R.1, Autor
De Vries, P.1, Autor
Dux, R.4, Autor           
Eriksson, L. G.1, Autor
Esposito, B.1, Autor
Felton, R.1, Autor
Fourment, C.1, Autor
Frigione, D.1, Autor
Garbet, X.1, AutorGiannella, R.1, AutorGiroud, C.1, AutorGorini, G.1, AutorHawkes, N. C.1, AutorHellsten, T.1, AutorHender, T. C.1, AutorHennequin, P.1, AutorHogeweij, G. M. D.1, AutorHuysmans, G. T. A.1, AutorImbeaux, F.1, AutorJoffrin, E.1, AutorLomas, P. J.1, AutorLotte, Ph.1, AutorMaget, P.1, AutorMailloux, J.1, AutorMantica, P.1, AutorMantsinen, M. J.1, AutorMazon, D.1, AutorMoreau, D.1, AutorParail, V.5, Autor           Pericoli, V.1, AutorRachlew, E.1, AutorRiva, M.1, AutorRimini, F.1, AutorSarazin, Y.1, AutorStratton, B. C.1, AutorTala, T. J. J.1, AutorTresset, G.1, AutorTudisco, O.1, AutorZabeo, L.1, AutorZastrow, K.-D.4, Autor           JET EFDA Contributors1, Autor mehr..
Affiliations:
1Association Euratom CEA-FRANCE, St Paul Lez Durance, France; Associazione EURATOM-ENEA sulla Fusione, Centre Ricerche Frascati, Italy; Institut für Plasmaphysik, Association EURATOM-FZJ, Jülich, Germany; UKAEA-EURATOM Association, Culham Science Centre, Abingdon, UK; Princeton Plasma Physics Laboratory, Princeton, USA; Associatie EURATOM-FOM, TEC Cluster, Nieuwegein, The Netherlands; Instituto di Fisica del Plasma, EURATOM-ENEA-CNR Association, Milan, Italy; Alfven Laboratory, KTH, Association EURATOM/VR, Stockholm, Sweden; Association EURATOM-TEKES, VTT Chemical Technology, Finland, ou_persistent22              
2Experimental Plasma Physics 3 (E3), Max Planck Institute for Plasma Physics, Max Planck Society, ou_1856291              
3Experimental Plasma Physics 1 (E1), Max Planck Institute for Plasma Physics, Max Planck Society, ou_1856295              
4Experimental Plasma Physics 4 (E4), Max Planck Institute for Plasma Physics, Max Planck Society, ou_1856293              
5Tokamak Theory (TOK), Max Planck Institute for Plasma Physics, Max Planck Society, ou_persistent22              

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 Zusammenfassung: In JET advanced tokamak research mainly focuses on plasmas with internal transport barriers (ITBs), generated by modifications of the current profile. The formerly developed optimised shear regime with low magnetic shear in the plasma center has been extended to deeply reversed magnetic shear configurations. ITBs occur at much lower access powers. The achievement of high fusion performance is reported in deeply reversed magnetic shear configuration. The generation of plasmas with wide ITBs in this configuration has allowed an extension of the accessible normalised toroidal beta at high magnetic field. We report on the successful sustainement and control of the electron and ion ITB in full current drive operation with a large fraction of bootstrap current. Progress towards the steady state capability of ITB plasmas includes techniques to avoid strong ELM activity and the newly developed real time control of the local ITB strength. Thanks to the real time control of the ITB characteristics the improved confinement state is maintained in a more reproducible and stable manner in quasi-stationary conditions.

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Sprache(n): eng - English
 Datum: 2003
 Publikationsstatus: Erschienen
 Seiten: -
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: Interne Begutachtung
 Art des Abschluß: -

Veranstaltung

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Titel: 19th Conference on Fusion Energy
Veranstaltungsort: Lyon (FR)
Start-/Enddatum: 2002-10-14 - 2002-10-19

Entscheidung

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Projektinformation

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Quelle 1

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Titel: Fusion Energy 2002
Genre der Quelle: Konferenzband
 Urheber:
Affiliations:
Ort, Verlag, Ausgabe: Vienna : International Atomic Energy Agency
Seiten: CD-ROM Band / Heft: - Artikelnummer: EX/C3-4 Start- / Endseite: - Identifikator: -