Bulletin of the American Physical Society
65th Annual Meeting of the APS Division of Plasma Physics
Monday–Friday, October 30–November 3 2023; Denver, Colorado
Session GP11: Poster Session III:
LTP: Measurement, analysis and control of low temperature plasmas
Fundamental: Waves, instabilities, and turbulence
MFE: Stellarators: W7-X, LHD, HSX, CTH, Others; Divertor physics
9:30 AM - 12:30 PM
Tuesday, October 31, 2023
Room: Plaza ABC
Abstract: GP11.00126 : Assessing nonlinear MHD stability in optimized quasisymmetric stellarators*
Presenter:
Adelle M Wright
(Princeton Plasma Physics Laboratory)
Authors:
Adelle M Wright
(Princeton Plasma Physics Laboratory)
Nathaniel M Ferraro
(Princeton Plasma Physics Laboratory)
While there is experimental evidence to suggest that non-axisymmetric plasmas may have improved nonlinear MHD stability, this first-of-a-kind M3D-C1 analysis demonstrates that MHD stability must remain a critical consideration when designing stellarator plasmas, especially for high-performance applications such as fusion pilot plants. This motivates the on-going development of new tools and reduced models that will allow for nonlinear MHD stability to be incorporated into stellarator optimization.
[1] Landreman et al., Physics of Plasmas 29, 082501 (2022).
*This work was supported by Department of Energy Contract No. DE-AC02-09-CH11466.
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