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  ELM-free stationary H-mode plasmas in the ASDEX Upgrade tokamak

Suttrop, W., Maraschek, M., Conway, G. D., Fahrbach, H.-U., Haas, G., Horton, L. D., et al. (2003). ELM-free stationary H-mode plasmas in the ASDEX Upgrade tokamak. Plasma Physics and Controlled Fusion, 45, 1399-1416. doi:10.1088/0741-3335/45/8/302.

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Suttrop, W.1, Autor           
Maraschek, M.1, Autor           
Conway, G. D.2, Autor           
Fahrbach, H.-U.2, Autor           
Haas, G.2, 3, Autor           
Horton, L. D.2, Autor           
Kurki-Suonio, T.4, Autor
Lasnier, C. J.4, Autor
Leonard, A. W.4, Autor
Maggi, C. F.5, Autor           
Meister, H.1, Autor           
Mück, A.6, Autor           
Neu, R.5, Autor           
Nunes, I.4, Autor
Pütterich, T.5, Autor           
Reich, M.2, Autor           
Sips, A. C. C.2, Autor           
ASDEX Upgrade Team, Autor  
Affiliations:
1Experimental Plasma Physics 2 (E2), Max Planck Institute for Plasma Physics, Max Planck Society, ou_1856292              
2Experimental Plasma Physics 1 (E1), Max Planck Institute for Plasma Physics, Max Planck Society, ou_1856295              
3Technology (TE), Max Planck Institute for Plasma Physics, Max Planck Society, ou_1856318              
4Euratom-TEKES Association, Helsinki University of Technology, PO Box 2200, FIN-02015 HUT, Finland; Lawrence Livermore National Laboratory Livermore, CA 94551-0808, USA; General Atomics, PO Box 85608, San Diego, CA 92186-5608, USA; Associação EURATOM/IST, Centro de Fusão Nuclear, Instituto Superior Técnico, 1049-001 Lisboa, Portugal, ou_persistent22              
5Experimental Plasma Physics 4 (E4), Max Planck Institute for Plasma Physics, Max Planck Society, ou_1856293              
6External Organizations, ou_persistent22              

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 Zusammenfassung: ELM-free H-mode plasmas with stationary plasma density and radiation level are obtained in the ASDEX Upgrade tokamak with large clearance between the last closed flux surface and the wall, and neutral beam injection in a toroidal direction opposite to that of the plasma current. This behaviour is accompanied by a characteristic narrow-band magnetohydrodynamic (MHD) oscillation with clear harmonics up to n = 11 visible. This mode is localized in the plasma edge region. Conditions and properties of the stationary ELM-free phases and the edge MHD oscillation closely resemble that of the `quiescent H-mode' and the `edge harmonic oscillation' found in the DIII-D tokamak (Burrell K H et al 2002 Plasma Phys. Control. Fusion 44 A253). In addition, high-frequency MHD oscillations are found with an amplitude correlated with fluctuations of the divertor D intensity, suggesting a possible relevance of these modes for particle transport.

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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: Plasma Physics and Controlled Fusion
  Alternativer Titel : Plasma Phys. Control. Fusion
Genre der Quelle: Zeitschrift
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Ort, Verlag, Ausgabe: Copyright © Institute of Physics and IOP Publishing Limited 2003
Seiten: - Band / Heft: 45 Artikelnummer: - Start- / Endseite: 1399 - 1416 Identifikator: -