Title: | Overview of ASDEX Upgrade results |
Author(s): | Aguiam, D. ; Aho-Mantila, L. ; Angioni, C. ; Arden, N. ; Parra, R. Arredondo ; Asunta, O. ; de Baar, M. ; Balden, M. ; Behler, K. ; Bergmann, A. ; Bernardo, J. ; Bernert, M. ; Beurskens, M. ; Biancalani, A. ; Bilato, R. ; Birkenmeier, G. ; Bobkov, V. ; Bock, A. ; Bogomolov, A. ; Bolzonella, T. ; Boeswirth, B. ; Bottereau, C. ; Bottino, A. ; van den Brand, H. ; Brezinsek, S. ; Brida, D. ; Brochard, F. ; Bruhn, C. ; Buchanan, J. ; Buhler, A. ; Burckhart, A. ; Cambon-Silva, D. ; Camenen, Y. ; Carvalho, P. ; Carrasco, G. ; Cazzaniga, C. ; Carr, M. ; Carralero, D. ; Casali, L. ; Castaldo, C. ; Cavedon, M. ; Challis, C. ; Chankin, A. ; Chapman, I. ; Clairet, F. ; Classen, I. ; Coda, S. ; Coelho, R. ; Coenen, J. W. ; Colas, L. ; Conway, G. ; Costea, S. ; Coster, D. P. ; Croci, G. ; Cseh, G. ; Czarnecka, A. ; D'Arcangelo, O. ; Day, C. ; Delogu, R. ; de Marne, P. ; Denk, S. ; Denner, P. ; Dibon, M. ; D'Inca, R. ; Di Siena, A. ; Douai, D. ; Drenik, A. ; Drube, R. ; Dunne, M. ; Duval, B. P. ; Dux, R. ; Eich, T. ; Elgeti, S. ; Engelhardt, K. ; Erdos, B. ; Erofeev, I. ; Esposito, B. ; Fable, E. ; Faitsch, M. ; Fantz, U. ; Faugel, H. ; Felici, F. ; Fietz, S. ; Figueredo, A. ; Fischer, R. ; Ford, O. ; Frassinetti, L. ; Freethy, S. ; Froeschle, M. ; Fuchert, G. ; Fuchs, J. C. ; Fuenfgelder, H. ; Galazka, K. ; Galdon-Quiroga, J. ; Gallo, A. ; Gao, Y. ; Garavaglia, S. ; Garcia-Munoz, M. ; Geiger, B. ; Cianfarani, C. ; Giannone, L. ; Giovannozzi, E. ; Gleason-Gonzalez, C. ; Gloeggler, S. ; Gobbin, M. ; Goerler, T. ; Goodman, T. ; Gorini, G. ; Gradic, D. ; Graeter, A. ; Granucci, G. ; Greuner, H. ; Griener, M. ; Groth, M. ; Gude, A. ; Guenter, S. ; Guimarais, L. ; Haas, G. ; Hakola, A. H. ; Ham, C. ; Happel, T. ; Harrison, J. ; Hatch, D. ; Hauer, V. ; Hayward, T. ; Heinemann, B. ; Heinzel, S. ; Hellsten, T. ; Henderson, S. ; Hennequin, P. ; Herrmann, A. ; Heyn, E. ; Hitzler, F. ; Hobirk, J. ; Hoelzl, M. ; Hoeschen, T. ; Holm, J. H. ; Hopf, C. ; Hoppe, F. ; Horvath, L. ; Houben, A. ; Huber, A. ; Igochine, V. ; Ilkei, T. ; Ivanova-Stanik, I. ; Jacob, W. ; Jacobsen, A. S. ; Jacquot, J. ; Janky, F. ; Jardin, A. ; Jaulmes, F. ; Jenko, F. ; Jensen, T. ; Joffrin, E. ; Kaesemann, C. ; Kallenbach, A. ; Kalvin, S. ; Kantor, M. ; Kappatou, A. ; Kardaun, O. ; Karhunen, J. ; Kasilov, S. ; Kernbichler, W. ; Kim, D. ; Kimmig, S. ; Kirk, A. ; Klingshirn, H. -J. ; Koch, F. ; Kocsis, G. ; Koehn, A. ; Kraus, M. ; Krieger, K. ; Krivska, A. ; Kraemr-Flecken, A. ; Kurki-Suonio, T. ; Kurzan, B. ; Lackner, K. ; Laggner, F. ; Lang, P. T. ; Lauber, P. ; Lazanyi, N. ; Lazaros, A. ; Lebschy, A. ; Li, L. ; Li, M. ; Liang, Y. ; Lipschultz, B. ; Liu, Y. ; Lohs, A. ; Luhmann, N. C. ; Lunt, T. ; Lyssoivan, A. ; Madsen, J. ; Maier, H. ; Maj, O. ; Mailloux, J. ; Maljaars, E. ; Manas, P. ; Mancini, A. ; Manhard, A. ; Manso, M. -E. ; Mantica, P. ; Mantsinen, M. ; Manz, P. ; Maraschek, M. ; Martens, C. ; Martin, P. ; Marrelli, L. ; Martitsch, A. ; Mastrostefano, S. ; Mayer, A. ; Mayer, M. ; Mazon, D. ; McCarthy, P. J. ; McDermott, R. ; Meisl, G. ; Meister, H. ; Medvedeva, A. ; Merkel, P. ; Merkel, R. ; Merle, A. ; Mertens, V. ; Meshcheriakov, D. ; Meyer, H. ; Meyer, O. ; Miettunen, J. ; Milanesio, D. ; Mink, F. ; Mlynek, A. ; Monaco, F. ; Moon, C. ; Nazikian, R. ; Nemes-Czopf, A. ; Neu, G. ; Neu, R. ; Nielsen, A. H. ; Nielsen, S. K. ; Nikolaeva, V. ; Nocente, M. ; Noterdaeme, J. -M. ; Nowak, S. ; Oberkofler, M. ; Oberparleiter, M. ; Ochoukov, R. ; Odstrcil, T. ; Olsen, J. ; Orain, F. ; Palermo, F. ; Papp, G. ; Perez, I. Paradela ; Pautasso, G. ; Enzel, F. ; Petersson, P. ; Pinzon, J. ; Piovesan, P. ; Piron, C. ; Plaum, B. ; Ploeckl, B. ; Plyusnin, V. ; Pokol, G. ; Poli, E. ; Porte, L. ; Potzel, S. ; Prisiazhniuk, D. ; Puetterich, T. ; Ramisch, M. ; Rapson, C. ; Rasmussen, J. ; Raupp, G. ; Refy, D. ; Reich, M. ; Reimold, F. ; Ribeiro, T. ; Riedl, R. ; Rittich, D. ; Rocchi, G. ; Rodriguez-Ramos, M. ; Rohde, V. ; Ross, A. ; Rott, M. ; Rubel, M. ; Ryan, D. ; Ryter, F. ; Saarelma, S. ; Salewski, M. ; Salmi, A. ; Sanchis-Sanchez, L. ; Santos, G. ; Santos, J. ; Sauter, O. ; Scarabosio, A. ; Schall, G. ; Schmid, K. ; Schmitz, O. ; Schneider, P. A. ; Schneller, M. ; Schrittwieser, R. ; Schubert, M. ; Schwarz-Selinger, T. ; Schweinzer, J. ; Scott, B. ; Sehmer, T. ; Sertoli, M. ; Shabbir, A. ; Shalpegin, A. ; Shao, L. ; Sharapov, S. ; Siccinio, M. ; Sieglin, B. ; Sigalov, A. ; Silva, A. ; Silva, C. ; Simon, P. ; Simpson, J. ; Snicker, A. ; Sommariva, C. ; Sozzi, C. ; Spolaore, M. ; Stejner, M. ; Stober, J. ; Stobbe, F. ; Stroth, U. ; Strumberger, E. ; Suarez, G. ; Sugiyama, K. ; Sun, H. -J. ; Suttrop, W. ; Szepesi, T. ; Tal, B. ; Tala, T. ; Tardini, G. ; Tardocchi, M. ; Terranova, D. ; Tierens, W. ; Told, D. ; Tudisco, O. ; Trevisan, G. ; Treutterer, W. ; Trier, E. ; Tripsky, M. ; Valisa, M. ; Valovic, M. ; Vanovac, B. ; Varela, P. ; Varoutis, S. ; Verdoolaege, G. ; Vezinet, D. ; Vianello, N. ; Vicente, J. ; Vierle, T. ; Viezzer, E. ; von Toussaint, U. ; Wagner, D. ; Wang, N. ; Wang, X. ; Weidl, M. ; Weiland, M. ; White, A. E. ; Willensdorfer, M. ; Wiringer, B. ; Wischmeier, M. ; Wolf, R. ; Wolfrum, E. ; Xiang, L. ; Yang, Q. ; Yang, Z. ; Yu, Q. ; Zagorski, R. ; Zammuto, I. ; Zarzoso, D. ; Zhang, W. ; van Zeeland, M. ; Zehetbauer, T. ; Zilker, M. ; Zoletnik, S. ; Zohm, H. |
Date: | 2017-10 |
Language: | en |
Pages: | 12 1-12 |
Department: | IST VTT Technical Research Centre of Finland Max Planck Inst Astrophys, Max Planck Society Department of Applied Physics TEC JET EFDA, Culham Sci Ctr Technische Universität München Consorzio RFX IRFM Assoc EURATOM FZJ, Euratom, Julich Research Center, Forschungszentrum Julich, Inst Energy & Climate Res University of Lorraine ENEA Istituto Fisica del Plasma "Piero Caldirola" (IFP-CNR) Swiss Federal Institute of Technology Lausanne Innsbruck Medical University Hungarian Academy of Sciences Institute of Plasma Physics & Laser Microfusion (IFPiLM) Karlsruhe Institute of Technology Eindhoven University of Technology Swedish Research Council (VR) General Atomics & Affiliated Companies University of Sevilla University of Texas at Austin Max Planck Comp & Data Facil Ecole Polytechnique Hochschule der Medien Technical University of Denmark Budapest University of Technology and Economics University of California at Santa Barbara School services, SCI LPP-ERM/KMS EURATOM Association Vienna University of Technology Assoc EURATOM Hellen Republ, NCSR Demokritos IPP York University CCFE Fusion Assoc BSC Univ Coll Cork UCC Princeton University Ghent University Chinese Acad Sci, Chinese Academy of Sciences, Natl Astron Observ Department of Radio Science and Engineering Massachusetts Institute of Technology Chinese Academy of Sciences Univ Aix Marseille 1, Centre National de la Recherche Scientifique (CNRS), University of Aix-Marseille, Universite de Provence - Aix-Marseille I, UMR 6098, CNRS |
Series: | NUCLEAR FUSION, Volume 57, issue 10 |
ISSN: | 0029-5515 1741-4326 |
DOI-number: | 10.1088/1741-4326/aa64f6 |
Subject: | 114 Physical sciences |
Keywords: | nuclear fusion, tokamak physics, ITER, DEMO, 114 Physical sciences |
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Aguiam , D , Aho-Mantila , L , Angioni , C , Arden , N , Parra , R A , Asunta , O , de Baar , M , Balden , M , Behler , K , Bergmann , A , Bernardo , J , Bernert , M , Beurskens , M , Biancalani , A , Bilato , R , Birkenmeier , G , Bobkov , V , Bock , A , Bogomolov , A , Bolzonella , T , Boeswirth , B , Bottereau , C , Bottino , A , van den Brand , H , Brezinsek , S , Brida , D , Brochard , F , Bruhn , C , Buchanan , J , Buhler , A , Burckhart , A , Cambon-Silva , D , Camenen , Y , Carvalho , P , Carrasco , G , Cazzaniga , C , Carr , M , Carralero , D , Casali , L , Castaldo , C , Cavedon , M , Challis , C , Chankin , A , Chapman , I , Clairet , F , Classen , I , Coda , S , Coelho , R , Coenen , J W , Colas , L , Conway , G , Costea , S , Coster , D P , Croci , G , Cseh , G , Czarnecka , A , D'Arcangelo , O , Day , C , Delogu , R , de Marne , P , Denk , S , Denner , P , Dibon , M , D'Inca , R , Di Siena , A , Douai , D , Drenik , A , Drube , R , Dunne , M , Duval , B P , Dux , R , Eich , T , Elgeti , S , Engelhardt , K , Erdos , B , Erofeev , I , Esposito , B , Fable , E , Faitsch , M , Fantz , U , Faugel , H , Felici , F , Fietz , S , Figueredo , A , Fischer , R , Ford , O , Frassinetti , L , Freethy , S , Froeschle , M , Fuchert , G , Fuchs , J C , Fuenfgelder , H , Galazka , K , Galdon-Quiroga , J , Gallo , A , Gao , Y , Garavaglia , S , Garcia-Munoz , M , Geiger , B , Cianfarani , C , Giannone , L , Giovannozzi , E , Gleason-Gonzalez , C , Gloeggler , S , Gobbin , M , Goerler , T , Goodman , T , Gorini , G , Gradic , D , Graeter , A , Granucci , G , Greuner , H , Griener , M , Groth , M , Gude , A , Guenter , S , Guimarais , L , Haas , G , Hakola , A H , Ham , C , Happel , T , Harrison , J , Hatch , D , Hauer , V , Hayward , T , Heinemann , B , Heinzel , S , Hellsten , T , Henderson , S , Hennequin , P , Herrmann , A , Heyn , E , Hitzler , F , Hobirk , J , Hoelzl , M , Hoeschen , T , Holm , J H , Hopf , C , Hoppe , F , Horvath , L , Houben , A , Huber , A , Igochine , V , Ilkei , T , Ivanova-Stanik , I , Jacob , W , Jacobsen , A S , Jacquot , J , Janky , F , Jardin , A , Jaulmes , F , Jenko , F , Jensen , T , Joffrin , E , Kaesemann , C , Kallenbach , A , Kalvin , S , Kantor , M , Kappatou , A , Kardaun , O , Karhunen , J , Kasilov , S , Kernbichler , W , Kim , D , Kimmig , S , Kirk , A , Klingshirn , H -J , Koch , F , Kocsis , G , Koehn , A , Kraus , M , Krieger , K , Krivska , A , Kraemr-Flecken , A , Kurki-Suonio , T , Kurzan , B , Lackner , K , Laggner , F , Lang , P T , Lauber , P , Lazanyi , N , Lazaros , A , Lebschy , A , Li , L , Li , M , Liang , Y , Lipschultz , B , Liu , Y , Lohs , A , Luhmann , N C , Lunt , T , Lyssoivan , A , Madsen , J , Maier , H , Maj , O , Mailloux , J , Maljaars , E , Manas , P , Mancini , A , Manhard , A , Manso , M -E , Mantica , P , Mantsinen , M , Manz , P , Maraschek , M , Martens , C , Martin , P , Marrelli , L , Martitsch , A , Mastrostefano , S , Mayer , A , Mayer , M , Mazon , D , McCarthy , P J , McDermott , R , Meisl , G , Meister , H , Medvedeva , A , Merkel , P , Merkel , R , Merle , A , Mertens , V , Meshcheriakov , D , Meyer , H , Meyer , O , Miettunen , J , Milanesio , D , Mink , F , Mlynek , A , Monaco , F , Moon , C , Nazikian , R , Nemes-Czopf , A , Neu , G , Neu , R , Nielsen , A H , Nielsen , S K , Nikolaeva , V , Nocente , M , Noterdaeme , J -M , Nowak , S , Oberkofler , M , Oberparleiter , M , Ochoukov , R , Odstrcil , T , Olsen , J , Orain , F , Palermo , F , Papp , G , Perez , I P , Pautasso , G , Enzel , F , Petersson , P , Pinzon , J , Piovesan , P , Piron , C , Plaum , B , Ploeckl , B , Plyusnin , V , Pokol , G , Poli , E , Porte , L , Potzel , S , Prisiazhniuk , D , Puetterich , T , Ramisch , M , Rapson , C , Rasmussen , J , Raupp , G , Refy , D , Reich , M , Reimold , F , Ribeiro , T , Riedl , R , Rittich , D , Rocchi , G , Rodriguez-Ramos , M , Rohde , V , Ross , A , Rott , M , Rubel , M , Ryan , D , Ryter , F , Saarelma , S , Salewski , M , Salmi , A , Sanchis-Sanchez , L , Santos , G , Santos , J , Sauter , O , Scarabosio , A , Schall , G , Schmid , K, Schmitz , O , Schneider , P A , Schneller , M , Schrittwieser , R , Schubert , M , Schwarz-Selinger , T , Schweinzer , J , Scott , B , Sehmer , T , Sertoli , M , Shabbir , A , Shalpegin , A , Shao , L , Sharapov , S , Siccinio , M , Sieglin , B , Sigalov , A , Silva , A , Silva , C , Simon , P , Simpson , J , Snicker , A , Sommariva , C , Sozzi , C , Spolaore , M , Stejner , M , Stober , J , Stobbe , F , Stroth , U , Strumberger , E , Suarez , G , Sugiyama , K , Sun , H -J , Suttrop , W , Szepesi , T , Tal , B , Tala , T , Tardini , G , Tardocchi , M , Terranova , D , Tierens , W , Told , D , Tudisco , O , Trevisan , G , Treutterer , W , Trier , E , Tripsky , M , Valisa , M , Valovic , M , Vanovac , B , Varela , P , Varoutis , S , Verdoolaege , G , Vezinet , D , Vianello , N , Vicente , J , Vierle , T , Viezzer , E , von Toussaint , U , Wagner , D , Wang , N , Wang , X , Weidl , M , Weiland , M , White , A E , Willensdorfer , M , Wiringer , B , Wischmeier , M , Wolf , R , Wolfrum , E , Xiang , L , Yang , Q, Yang , Z , Yu , Q , Zagorski , R , Zammuto , I , Zarzoso , D , Zhang , W , van Zeeland , M , Zehetbauer , T , Zilker , M , Zoletnik , S & Zohm , H 2017 , ' Overview of ASDEX Upgrade results ' NUCLEAR FUSION , vol 57 , no. 10 , 102015 , pp. 1-12 . DOI: 10.1088/1741-4326/aa64f6 |
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Abstract:The ASDEX Upgrade (AUG) programme is directed towards physics input to critical elements of the ITER design and the preparation of ITER operation, as well as addressing physics issues for a future DEMO design. Since 2015, AUG is equipped with a new pair of 3-strap ICRF antennas, which were designed for a reduction of tungsten release during ICRF operation. As predicted, a factor two reduction on the ICRF-induced W plasma content could be achieved by the reduction of the sheath voltage at the antenna limiters via the compensation of the image currents of the central and side straps in the antenna frame. There are two main operational scenario lines in AUG. Experiments with low collisionality, which comprise current drive, ELM mitigation/suppression and fast ion physics, are mainly done with freshly boronized walls to reduce the tungsten influx at these high edge temperature conditions. Full ELM suppression and non-inductive operation up to a plasma current of I-p = 0.8 MA could be obtained at low plasma density. Plasma exhaust is studied under conditions of high neutral divertor pressure and separatrix electron density, where a fresh boronization is not required. Substantial progress could be achieved for the understanding of the confinement degradation by strong D puffing and the improvement with nitrogen or carbon seeding. Inward/outward shifts of the electron density profile relative to the temperature profile effect the edge stability via the pressure profile changes and lead to improved/decreased pedestal performance. Seeding and D gas puffing are found to effect the core fueling via changes in a region of high density on the high field side (HFSHD). The integration of all above mentioned operational scenarios will be feasible and naturally obtained in a large device where the edge is more opaque for neutrals and higher plasma temperatures provide a lower collisionality. The combination of exhaust control with pellet fueling has been successfully demonstrated. High divertor enrichment values of nitrogen E-N >= 10 have been obtained during pellet injection, which is a prerequisite for the simultaneous achievement of good core plasma purity and high divertor radiation levels. Impurity accumulation observed in the all-metal AUG device caused by the strong neoclassical inward transport of tungsten in the pedestal is expected to be relieved by the higher neoclassical temperature screening in larger devices.
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