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  Steady state advanced scenarios at ASDEX Upgrade

Sips, A. C. C., Arslanbekov, R., Atanasiu, C., Becker, W., Becker, G., Behler, K., et al. (2002). Steady state advanced scenarios at ASDEX Upgrade. Plasma Physics and Controlled Fusion, 44(Suppl. 12B), B69-B83.

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Sips, A. C. C.1, Autor           
Arslanbekov, R.2, Autor           
Atanasiu, C.3, Autor
Becker, W.4, Autor           
Becker, G.5, Autor           
Behler, K.6, Autor           
Behringer, K.7, Autor           
Bergmann, A.5, Autor           
Bilato, R.5, Autor           
Bolshukhin, D.8, Autor
Borrass, K.9, Autor           
Braams, B.3, Autor
Brambilla, M.5, Autor           
Braun, F.4, Autor           
Buhler, A.1, Autor           
Conway, G.1, Autor           
Coster, D.5, Autor           
Drube, R.6, Autor           
Dux, R.7, Autor           
Egorov, S.8, Autor
Eich, T.1, Autor           Engelhardt, K.6, Autor           Fahrbach, H. U.1, Autor           Fantz, U.7, Autor           Faugel, H.4, Autor           Foley, M.3, AutorFournier, K. B.3, AutorFranzen, P.4, Autor           Fuchs, J. C.1, Autor           Gafert, J.2, Autor           Gantenbein, G.3, AutorGehre, O.1, Autor           Geier, A.1, Autor           Gernhardt, J.1, Autor           Gruber, O.9, Autor           Gude, A.5, Autor           Günter, S.5, Autor           Haas, G.1, 4, Autor           Hartmann, D.4, Autor           Heger, B.2, Autor           Heinemann, B.4, Autor           Herrmann, A.1, Autor           Hobirk, J.1, Autor           Hofmeister, F.2, Autor           Hohenöcker, H.6, Autor           Horton, L.1, Autor           Igochine, V.9, Autor           Jacobi, D.2, Autor           Jakobi, M.6, Autor           Jenko, F.5, Autor           Kallenbach, A.7, Autor           Kardaun, O.5, Autor           Kaufmann, M.1, 10, Autor           Keller, A.6, Autor           Kendl, A.9, Autor           Kim, J. W.9, Autor           Kirov, K.6, 11, Autor           Kochergov, R.9, Autor           Kollotzek, H.1, Autor           Kraus, W.4, Autor           Krieger, K.12, Autor           Kurzan, B.6, Autor           Lang, P. T.1, Autor           Lauber, P.5, Autor           Laux, M.13, 14, Autor           Leuterer, F.4, Autor           Lohs, A.1, Autor           Lorenz, A.1, Autor           Maggi, C.7, Autor           Maier, H.8, AutorMank, K.1, Autor           Manso, M. E.3, AutorMaraschek, M.6, Autor           Mast, K. F.2, Autor           McCarthy, P.5, Autor           Meisel, D.2, Autor           Meister, H.6, Autor           Meo, F.8, AutorMerkel, R.6, Autor           Merkl, D.1, Autor           Mertens, V.1, Autor           Monaco, F.6, Autor           Mück, A.2, Autor           Müller, H. W.1, Autor           Münich, M.2, Autor           Murmann, H.2, Autor           Na, Y. S.1, Autor           Neu, G.6, Autor           Neu, R.7, Autor           Neuhauser, J.2, Autor           Noterdaeme, J. M.4, Autor           Nunes, I.8, AutorPautasso, G.5, Autor           Peeters, A. G.9, Autor           Pereverzev, G.5, Autor           Pinches, S.9, Autor           Poli, E.5, Autor           Proschek, M.3, AutorPugno, R.2, Autor           Quigley, E.8, AutorRaupp, G.6, Autor           Ribeiro, T.2, Autor           Riedl, R.4, Autor           Riondato, S.8, AutorRohde, V.1, Autor           Roth, J.12, Autor           Ryter, F.15, Autor           Saarelma, S.3, AutorSandmann, W.1, Autor           Schade, S.2, Autor           Schilling, H. B.1, Autor           Schneider, W.5, Autor           Schramm, G.1, Autor           Schweizer, S.1, Autor           Scott, B.5, Autor           Seidel, U.1, Autor           Serra, F.3, AutorSesnic, S.2, Autor           Sihler, C.1, Autor           Silva, A.3, AutorSpeth, E.4, Autor           Stäbler, A.4, Autor           Steuer, K. H.2, Autor           Stober, J.1, Autor           Streibl, B.1, Autor           Strumberger, E.5, 16, Autor           Suttrop, W.6, Autor           Tabasso, A.2, Autor           Tanga, A.1, Autor           Tardini, G.9, Autor           Tichmann, C.5, Autor           Treutterer, W.1, Autor           Troppmann, M.1, Autor           Varela, P.3, AutorVollmer, O.2, Autor           Wagner, D.6, Autor           Wenzel, U.13, Autor           Wesner, F.2, Autor           Wolf, R.1, Autor           Wolfrum, E.1, Autor           Würsching, E.1, Autor           Yu, Q.5, Autor           Zasche, D.1, Autor           Zehetbauer, T.6, Autor           Zehrfeld, H. P.9, Autor           Zohm, H.6, Autor            mehr..
Affiliations:
1Experimental Plasma Physics 1 (E1), Max Planck Institute for Plasma Physics, Max Planck Society, ou_1856295              
2External Organizations, ou_persistent22              
3Princeton Univ, Princeton, NJ 08544 USA; Tech Univ St Petersburg, CIS, St Petersburg, Russia; Univ Augsburg, D-8900 Augsburg, Germany; Natl Univ Ireland Univ Coll Cork, Cork, Ireland; Lawrence Livermore Natl Lab, Livermore, CA USA; Univ Stuttgart, IPF, D-7000 Stuttgart, Germany; EURATOM, IST, Lisbon, Portugal; IAP, Vienna, Austria; VTT Tekes, HUT Tekes, Helsinki, Finland, ou_persistent22              
4Technology (TE), Max Planck Institute for Plasma Physics, Max Planck Society, ou_1856318              
5Tokamak Theory (TOK), Max Planck Institute for Plasma Physics, Max Planck Society, ou_1856309              
6Experimental Plasma Physics 2 (E2), Max Planck Institute for Plasma Physics, Max Planck Society, ou_1856292              
7Experimental Plasma Physics 4 (E4), Max Planck Institute for Plasma Physics, Max Planck Society, ou_1856293              
8Max Planck Society, ou_persistent13              
9Tokamak Theory (TOK), Max Planck Institute for Plasma Physics, Max Planck Society
10Experimental Plasma Physics 3 (E3), Max Planck Institute for Plasma Physics, Max Planck Society, ou_1856291              
11Tokamak: Edge and Divertor Physics (E2), Max Planck Institute for Plasma Physics, Max Planck Society, ou_1856308              
12Material Research (MF), Max Planck Institute for Plasma Physics, Max Planck Society, ou_1856328              
13Plasma Diagnostics Group (HUB), Max Planck Institute for Plasma Physics, Max Planck Society, ou_1856324              
14W7-X: Physics (PH), Max Planck Institute for Plasma Physics, Max Planck Society, ou_1856305              
15Tokamak Edge and Divertor Physics (E2), Max Planck Institute for Plasma Physics, Max Planck Society, ou_1856308              
16Relativistic Plasmas, Max Planck Institute for Plasma Physics, Max Planck Society, ou_1856330              

Inhalt

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Schlagwörter: -
 Zusammenfassung: Recent experiments at ASDEX Upgrade have achieved advanced scenarios with high beta(N) (> 3) and confinement enhancement over ITER98(y, 2) scaling, H-H98y2 = 1.1-1.5, in steady state. These discharges have been obtained in a modified divertor configuration for ASDEX Upgrade, allowing operation at higher triangularity, and with a changed neutral beam injection (NBI) system, for a more tangential, off-axis beam deposition. The figure of merit, beta(N)H(ITER89-P) reaches up to 7.5 for several seconds in plasmas approaching stationary conditions. These advanced tokamak discharges have low magnetic shear in the centre, with q on-axis near 1, and edge safety factor, q(95) in the range 3.3-4.5. This q-profile is sustained by the bootstrap current, NBI-driven current and fishbone activity in the core. The off-axis heating leads to a strong peaking of the density profile and impurity accumulation in the core. This can be avoided by adding some central heating from ion cyclotron resonance heating or electron cyclotron resonance heating, since the temperature profiles are stiff in this advanced scenario (no internal transport barrier). Using a combination of NBI and gas fuelling line, average densities up to 80-90% of the Greenwald density are achieved, maintaining good confinement. The best integrated results in terms of confinement, stability and ability to operate at high density are obtained in highly shaped configurations, near double null, with delta = 0.43. At the highest densities, a strong reduction of the edge localized mode activity similar to type 11 activity is observed, providing a steady power load on the divertor, in the range of 6 MW m(-2), despite the high input power used (> 10 MW).

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Sprache(n): eng - English
 Datum: 2002
 Publikationsstatus: Erschienen
 Seiten: -
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: Expertenbegutachtung
 Identifikatoren: eDoc: 21225
ISI: 000180907400009
 Art des Abschluß: -

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Entscheidung

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Quelle 1

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Titel: Plasma Physics and Controlled Fusion
  Alternativer Titel : Plasma Phys. Control. Fusion
Genre der Quelle: Zeitschrift
 Urheber:
Affiliations:
Ort, Verlag, Ausgabe: -
Seiten: - Band / Heft: 44 (Suppl. 12B) Artikelnummer: - Start- / Endseite: B69 - B83 Identifikator: ISSN: 0741-3335