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  Overview of ASDEX Upgrade results

Zohm, H., Angioni, C., Arslanbekov, R., Atanasiu, C., Becker, G., Becker, W., et al. (2003). Overview of ASDEX Upgrade results. Nuclear Fusion, 43, 1570-1582. doi:10.1088/0029-5515/43/12/004.

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Zohm, H.1, Autor           
Angioni, C.2, Autor           
Arslanbekov, R.3, Autor           
Atanasiu, C.4, Autor
Becker, G.2, Autor           
Becker, W.5, Autor           
Behler, K.1, Autor           
Behringer, K.6, 7, Autor           
Bergmann, A.2, Autor           
Bilato, R.2, Autor           
Bobkov, V.5, Autor           
Bolshukhin, D.8, Autor
Bolzonella, T.4, Autor
Borrass, K.9, Autor           
Brambilla, M.2, Autor           
Braun, F.5, Autor           
Buhler, A.10, Autor           
Carlson, A.10, Autor           
Conway, G. D.10, Autor           
Coster, D. P.2, Autor           
Drube, R.1, Autor           Dux, R.7, Autor           Egorov, S.4, AutorEich, T.10, Autor           Engelhardt, K.1, Autor           Fahrbach, H.-U.10, Autor           Fantz, U.7, Autor           Faugel, H.5, Autor           Finken, K. H.4, AutorFoley, M.4, AutorFranzen, P.5, Autor           Fuchs, J. C.10, Autor           Gafert, J.3, Autor           Fournier, K. B.4, AutorGantenbein, G.4, AutorGehre, O.10, Autor           Geier, A.10, Autor           Gernhardt, J.3, Autor           Goodman, T.4, AutorGruber, O.9, Autor           Gude, A.2, Autor           Günter, S.2, Autor           Haas, G.5, 10, Autor           Hartmann, D.5, Autor           Heger, B.3, Autor           Heinemann, B.5, Autor           Herrmann, A.10, Autor           Hobirk, J.10, Autor           Hofmeister, F.3, Autor           Hohenöcker, H.1, Autor           Horton, L. D.10, Autor           Igochine, V.9, Autor           Jacchia, A.4, AutorJakobi, M.1, Autor           Jenko, F.2, Autor           Kallenbach, A.7, Autor           Kardaun, O.2, Autor           Kaufmann, M.10, 11, Autor           Keller, A.1, Autor           Kendl, A.9, Autor           Kim, J.-W.9, Autor           Kirov, K.1, 12, Autor           Kochergov, R.9, Autor           Kollotzek, H.10, Autor           Kraus, W.5, Autor           Krieger, K.13, Autor           Kurki-Suonio, T.4, AutorKurzan, B.1, Autor           Lang, P. T.10, Autor           Lasnier, C.4, AutorLauber, P.2, Autor           Laux, M.14, Autor           Leonard, A. W.4, AutorLeuterer, F.5, Autor           Lohs, A.10, Autor           Lorenz, A.10, Autor           Lorenzini, R.4, AutorMaggi, C.7, Autor           Maier, H.8, AutorMank, K.10, Autor           Manso, M.-E.4, AutorMantica, P.4, AutorMaraschek, M.1, Autor           Martines, E.4, AutorMast, K.-F.3, Autor           McCarthy, P.2, Autor           Meisel, D.3, Autor           Meister, H.1, Autor           Meo, F.8, AutorMerkel, P.2, Autor           Merkel, R.1, Autor           Merkl, D.10, Autor           Mertens, V.10, Autor           Monaco, F.1, Autor           Mück, A.3, Autor           Müller, H. W.10, Autor           Münich, M.3, Autor           Murmann, H.3, Autor           Na, Y.-S.10, Autor           Neu, G.1, Autor           Neu, R.7, Autor           Neuhauser, J.3, Autor           Nguyen, F.4, AutorNishijima, D.8, AutorNishimura, Y.9, Autor           Noterdaeme, J.-M.5, Autor           Nunes, I.4, AutorPautasso, G.2, Autor           Peeters, A. G.9, Autor           Pereverzev, G.2, Autor           Pinches, S. D.9, Autor           Poli, E.2, Autor           Proschek, M.4, AutorPugno, R.3, Autor           Quigley, E.4, AutorRaupp, G.1, Autor           Reich, M.10, Autor           Ribeiro, T.9, Autor           Riedl, R.5, Autor           Rohde, V.10, Autor           Roth, J.13, Autor           Ryter, F.15, Autor           Saarelma, S.4, AutorSandmann, W.10, Autor           Savtchkov, A.4, AutorSauter, O.8, AutorSchade, S.3, Autor           Schilling, H.-B.10, Autor           Schneider, W.2, Autor           Schramm, G.10, Autor           Schwarz, E.9, Autor           Schweinzer, J.10, Autor           Schweizer, S.10, Autor           Scott, B. D.2, Autor           Seidel, U.10, Autor           Serra, F.4, AutorSesnic, S.3, Autor           Sihler, C.10, Autor           Silva, A.4, AutorSips, A. C. C.10, Autor           Speth, E.5, Autor           Stäbler, A.5, Autor           Steuer, K.-H.3, Autor           Stober, J.10, Autor           Streibl, B.10, Autor           Strumberger, E.2, 16, Autor           Suttrop, W.1, Autor           Tabasso, A.3, Autor           Tanga, A.3, Autor           Tardini, G.10, Autor           Tichmann, C.2, Autor           Treutterer, W.10, Autor           Troppmann, M.10, Autor           Urano, H.1, 12, Autor           Varela, P.4, AutorVollmer, O.3, Autor           Wagner, D.1, Autor           Wenzel, U.17, Autor           Wesner, F.3, Autor           Westerhof, E.4, AutorWolf, R.11, Autor           Wolfrum, E.10, Autor           Würsching, E.10, Autor           Yoon, S.-W.3, Autor           Yu, Q.2, Autor           Zasche, D.10, Autor           Zehetbauer, T.1, Autor           Zehrfeld, H.-P.9, Autor            mehr..
Affiliations:
1Experimental Plasma Physics 2 (E2), Max Planck Institute for Plasma Physics, Max Planck Society, ou_1856292              
2Tokamak Theory (TOK), Max Planck Institute for Plasma Physics, Max Planck Society, ou_1856309              
3External Organizations, ou_persistent22              
4Institute of Atomic Physics, Romania, EURATOM Association; Consorzio RFX, Padova, Italy, EURATOM Association; Technical University, Plasma Physics Department, St. Petersburg, CIS; University of Augsburg, Germany; Institut für Plasmaphysik, FZ Jülich, Germany, EURATOM Association; Physics Department, University College Cork, Association EURATOM-DCU, Ireland; Lawrence Livermore National Laboratory, Livermore, USA; Institut für Plasmaforschung, Stuttgart University, Germany; CRPP, Ecole Polytechnique Federale de Lausanne, Switzerland, EURATOM Association; IFP Milano, Italy, EURATOM Association; Helsinki University of Technology, Finland, EURATOM Association; General Atomics, San Diego, USA; Centro de Fusao Nuclear, IST Lisbon, Portugal, EURATOM Association; CEA Cadarache, France, EURATOM Association; Institute for Applied Physics, Vienna, Austria, EURATOM Association; FOM Rijnhuizen, The Netherlands, EURATOM Association, ou_persistent22              
5Technology (TE), Max Planck Institute for Plasma Physics, Max Planck Society, ou_1856318              
6Energy and System Studies, Max Planck Institute for Plasma Physics, Max Planck Society, ou_1856296              
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 1 (E1), Max Planck Institute for Plasma Physics, Max Planck Society, ou_1856295              
11Experimental Plasma Physics 3 (E3), Max Planck Institute for Plasma Physics, Max Planck Society, ou_1856291              
12Tokamak: Edge and Divertor Physics (E2), Max Planck Institute for Plasma Physics, Max Planck Society, ou_1856308              
13Material Research (MF), Max Planck Institute for Plasma Physics, Max Planck Society, ou_1856328              
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              
17Plasma Diagnostics Group (HUB), Max Planck Institute for Plasma Physics, Max Planck Society, ou_1856324              

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 Zusammenfassung: Recent results from the ASDEX Upgrade experimental campaigns 2001 and 2002 are presented. An improved understanding of energy and particle transport emerges in terms of a 'critical gradient' model for the temperature gradients. Coupling this to particle diffusion explains most of the observed behaviour of the density profiles, in particular, the finding that strong central heating reduces the tendency for density profile peaking. Internal transport barriers (ITBs) with electron and ion temperatures in excess of 20 keV (but not simultaneously) have been achieved. By shaping the plasma, a regime with small type II edge localized modes (ELMs) has been established. Here, the maximum power deposited on the target plates was greatly reduced at constant average power. Also, an increase of the ELM frequency by injection of shallow pellets was demonstrated. ELM free operation is possible in the quiescent H-mode regime previously found in DIII-D which has also been established on ASDEX Upgrade. Regarding stability, a regime with benign neoclassical tearing modes (NTMs) was found. During electron cyclotron current drive (ECCD) stabilization of NTMs, βN could be increased well above the usual onset level without a reappearance of the NTM. Electron cyclotron resonance heating and ECCD have also been used to control the sawtooth repetition frequency at a moderate fraction of the total heating power. The inner wall of the ASDEX Upgrade vessel has increasingly been covered with tungsten without causing detrimental effects on the plasma performance. Regarding scenario integration, a scenario with a large fraction of noninductively driven current (≥50%), but without ITB has been established. It combines improved confinement (τEITER98 ≈ 1.2) and stability (βN ≤ 3.5) at high Greenwald fraction (ne/nGW ≈ 0.85) in steady state and with type II ELMy edge and would offer the possibility for long pulses with high fusion power at reduced current in ITER.

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

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Titel: Nuclear Fusion
  Alternativer Titel : Nucl. Fusion
Genre der Quelle: Zeitschrift
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Ort, Verlag, Ausgabe: -
Seiten: - Band / Heft: 43 Artikelnummer: - Start- / Endseite: 1570 - 1582 Identifikator: -