Bulletin of the American Physical Society
64th Annual Meeting of the APS Division of Plasma Physics
Volume 67, Number 15
Monday–Friday, October 17–21, 2022; Spokane, Washington
Session BO03: Stellarators and Helical Systems: W7-X, LHD, HSX, CTH, and Others
9:30 AM–12:18 PM,
Monday, October 17, 2022
Room: Ballroom 100 C
Chair: Andrew Ware, University of Montana
Abstract: BO03.00001 : Kinetic Ballooning Modes in Wendelstein 7-X high-performance experiments
9:30 AM–9:42 AM
Presenter:
Ksenia Aleynikova
(Max-Planck-Institut für Plasmaphysik, EURATOM Association, Greifswald, Germany; Max Planck/Princeton Research Center for Plasma Physics)
Authors:
Ksenia Aleynikova
(Max-Planck-Institut für Plasmaphysik, EURATOM Association, Greifswald, Germany; Max Planck/Princeton Research Center for Plasma Physics)
Christian Brandt
(Max-Planck-Institut für Plasmaphysik, EURATOM Association, Greifswald, Germany)
Alessandro Zocco
(Max-Planck-Institut für Plasmaphysik, EURATOM Association, Greifswald, Germany)
Carolin Nuehrenberg
(Max-Planck-Institut für Plasmaphysik, EURATOM Association, Greifswald, Germany)
Adrian von Stechow
(Max-Planck-Institut für Plasmaphysik, EURATOM Association, Greifswald, Germany)
Joachim Geiger
(Max-Planck-Institut für Plasmaphysik, EURATOM Association, Greifswald, Germany)
Golo Fuchert
(Max-Planck-Institut für Plasmaphysik, EURATOM Association, Greifswald, Germany)
Novimir A Pablant
(PPPL, Princeton University, P.O. Box 451, Princeton, New Jersey 08543, USA)
Kian Rahbarnia
(Max-Planck-Institut für Plasmaphysik, EURATOM Association, Greifswald, Germany)
Henning Thomsen
(Max-Planck-Institut für Plasmaphysik, EURATOM Association, Greifswald, Germany)
Paul Mulholland
(Science and Technology of Nuclear Fusion, Eindhoven University of Technology, 5600 MB Eindhoven, The Netherlands)
M.J. Pueschel
(Science and Technology of Nuclear Fusion, Eindhoven University of Technology, 5600 MB; Dutch Institute for Fundamental Energy Research, 5612 AJ Eindhoven, The Netherlands)
Josefine Proll
(Science and Technology of Nuclear Fusion, Eindhoven University of Technology, 5600 MB Eindhoven, The Netherlands)
The possibility of KBMs limiting the performance motivates an extensive study of different W7-X configurations with regard to, first, electromagnetic modifications of microinstabilities and the so-called “stability valley”, and, second, the connection between global MHD configuration properties and local gyrokinetic stability. In particular, we consider the effects of the vacuum rotational transform, ι, and the mirror ratio.
[1] Bozhenkov, S., et al. Nuclear Fusion 60.6 (2020): 066011.
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