Equilibrium evaluation for Wendelstein 7-X experiment programs in the first divertor phase

被引:9
|
作者
Andreeva, T. [1 ]
Alonso, J. A. [2 ]
Bozhenkov, S. [1 ]
Brandt, C. [1 ]
Endler, M. [1 ]
Fuchert, G. [1 ]
Geiger, J. [1 ]
Grahl, M. [1 ]
Klinger, T. [1 ]
Krychowiak, M. [1 ]
Langenberg, A. [1 ]
Lazerson, S. [3 ]
Neuner, U. [1 ]
Rahbarnia, K. [1 ]
Pablant, N. [3 ]
Pavone, A. [1 ]
Schilling, J. [1 ]
Schmitt, J. [4 ]
Thomsen, H. [1 ]
Turkin, Y. [1 ]
机构
[1] Max Planck Inst Plasma Phys, Wendelsteinstr 1, D-17491 Greifswald, Germany
[2] CIEMAT, Lab Nacl Fus, Av Cornplutense 40, E-28040 Madrid, Spain
[3] Princeton Plasma Phys Lab, POB 451, Princeton, NJ 08543 USA
[4] Auburn Univ, Dept Phys, Auburn, AL 36849 USA
关键词
Wendelstein; 7-X; First divertor phase; Equilibrium; Reconstruction; Stellarator; OP1.2a; DESIGN;
D O I
10.1016/j.fusengdes.2018.12.050
中图分类号
TL [原子能技术]; O571 [原子核物理学];
学科分类号
0827 ; 082701 ;
摘要
Wendelstein 7-X (W7-X) is a modular advanced stellarator, which successfully went into operation in December 2015 at the Max-Planck-Institut fur Plasmaphysik in Greifswald, Germany, and continued to thrive at the experimental campaign with the first divertor phase in August-December 2017. The nested magnetic surfaces in W7-X are created by a system of 3-D toroidally discrete coils, providing both toroidal and poloidal field components, and designed with the aim to create optimum equilibrium properties. The optimization criteria included the high quality of vacuum magnetic surfaces, good finite beta equilibrium and MHD-stability properties as well as a substantial reduction of the neoclassical transport and bootstrap current in comparison to classical stellarators. Equilibrium calculations, devoted to the analysis of the experiment programs dedicated to measure the bootstrap current, were performed with help of the Variational Moments Equilibrium Code, available as Wendelstein 7-X web service. Pressure profiles based on experimental data served as an input for calculations. The mapping of measurements using pre-calculated equilibria for different beta values has been analyzed. A comparison with reconstruction results obtained by means of the Minerva Framework, considering only experimental data of magnetics measurements, and the V3FIT code is presented.
引用
收藏
页码:299 / 302
页数:4
相关论文
共 50 条
  • [21] A divertor scraper observation system for the Wendelstein 7-X stellarator
    Wurden, G. A.
    Fellinger, J.
    Biedermann, C.
    Drewelow, P.
    Ford, O.
    Gamradt, M.
    Greve, H.
    Herold, F.
    Jakubowski, M.
    Jenzsch, H.
    Niemann, H.
    Sitjes, A. Puig
    REVIEW OF SCIENTIFIC INSTRUMENTS, 2018, 89 (10):
  • [22] Hydrogen content in divertor baffle tiles in Wendelstein 7-X
    Oelmann, Jannis
    Wust, Erik
    Brezinsek, Sebastijan
    Li, Cong
    Zhao, Dongye
    Rasinski, Marcin
    Dhard, Chandra Prakash
    Mayer, Matej
    Naujoks, Dirk
    Gao, Yu
    NUCLEAR MATERIALS AND ENERGY, 2021, 26
  • [23] A concept of online monitoring for the Wendelstein 7-X experiment
    Hennig, C
    Heimann, P
    Heinzel, S
    Kroiss, H
    Kühner, G
    Kühntopf, H
    Maier, J
    Reetz, J
    Zilker, M
    FUSION ENGINEERING AND DESIGN, 2004, 71 (1-4) : 107 - 110
  • [24] First operational phase of the superconducting magnet system of Wendelstein 7-X
    Risse, Konrad
    Bykov, Victor
    Nagel, Michael
    Rummel, Thomas
    Bosch, Hans-Stephan
    Cads, Andre
    Monnich, Thomas
    Schneider, Matthias
    FUSION ENGINEERING AND DESIGN, 2017, 124 : 10 - 13
  • [25] First Observation of a Stable Highly Dissipative Divertor Plasma Regime on the Wendelstein 7-X Stellarator
    Zhang, D.
    Koenig, R.
    Feng, Y.
    Burhenn, R.
    Brezinsek, S.
    Jakubowski, M.
    Buttenschoen, B.
    Niemann, H.
    Pavone, A.
    Krychowiak, M.
    Kwak, S.
    Svensson, J.
    Gao, Y.
    Pedersen, T. S.
    Alonso, A.
    Baldzuhn, J.
    Beidler, C. D.
    Biedermann, C.
    Bozhenkov, S.
    Brunner, K. J.
    Damm, H.
    Hirsch, M.
    Giannone, L.
    Drewelow, P.
    Effenberg, F.
    Fuchert, G.
    Hammond, K. C.
    Hfel, U.
    Killer, C.
    Knauer, J.
    Laqua, H. P.
    Laube, R.
    Pablant, N.
    Pasch, E.
    Penzel, F.
    Rahbarnia, K.
    Reimold, F.
    Thomsen, H.
    Winters, V
    Wagner, F.
    Klinger, T.
    PHYSICAL REVIEW LETTERS, 2019, 123 (02)
  • [26] First operation and validation of simulations for the divertor cryo-vacuum pump in Wendelstein 7-X
    Haak, V.
    Dhard, C. P.
    Boeyaert, D.
    Braeuer, T.
    Bykov, V.
    Day, C.
    Degenkolbe, S.
    Ehrke, G.
    Igitkhanov, J.
    Khokhlov, M.
    Kremeyer, T.
    Nagel, M.
    Naujoks, D.
    Pietsch, M.
    Pilopp, D.
    Schlisio, G.
    Strobel, H.
    Tantos, C.
    Varoutis, S.
    Viebke, H.
    Volzke, O.
    FUSION ENGINEERING AND DESIGN, 2024, 208
  • [27] First demonstration of radiative power exhaust with impurity seeding in the island divertor at Wendelstein 7-X
    Effenberg, F.
    Brezinsek, S.
    Feng, Y.
    Koenig, R.
    Krychowiak, M.
    Jakubowski, M.
    Niemann, H.
    Perseo, V
    Schmitz, O.
    Zhang, D.
    Barbui, T.
    Biedermann, C.
    Burhenn, R.
    Buttenschoen, B.
    Kocsis, G.
    Pavone, A.
    Reimold, F.
    Szepesi, T.
    Frerichs, H.
    Gao, Y.
    Hergenhahn, U.
    Kwak, S.
    Otte, M.
    Pedersen, T. Sunn
    NUCLEAR FUSION, 2019, 59 (10)
  • [28] Managing leading edges during assembly of the Wendelstein 7-X divertor
    Endler, M.
    Fellinger, J.
    Hoelbe, H.
    Pedersen, T. Sunn
    Bozhenkov, S.
    Geiger, J.
    Grahl, M.
    PLASMA PHYSICS AND CONTROLLED FUSION, 2019, 61 (02)
  • [29] The in-vessel components of the experiment WENDELSTEIN 7-X
    Stadler, R.
    Vorkoeper, A.
    Boscary, J.
    Cardella, A.
    Hurd, F.
    Li, Ch.
    Mendelevitch, B.
    Peacock, A.
    Pirsch, H.
    FUSION ENGINEERING AND DESIGN, 2009, 84 (2-6) : 305 - 308
  • [30] Magnetic configuration scans during divertor operation of Wendelstein 7-X
    Andreeva, T.
    Geiger, J.
    Dinklage, A.
    Wurden, G.
    Thomsen, H.
    Rahbarnia, K.
    Schmitt, J. C.
    Hirsch, M.
    Fuchert, G.
    Nuehrenberg, C.
    Alonso, A.
    Beidler, C. D.
    Beurskens, M. N. A.
    Bozhenkov, S.
    Brakel, R.
    Brandt, C.
    Bykov, V
    Grahl, M.
    Grulke, O.
    Killer, C.
    Kocsis, G.
    Klinger, T.
    Kraemer-Flecken, A.
    Lazerson, S.
    Otte, M.
    Pablant, N.
    Schilling, J.
    Windisch, T.
    NUCLEAR FUSION, 2022, 62 (02)