期刊
NUCLEAR FUSION
卷 56, 期 7, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/0029-5515/56/7/076010
关键词
magnetic confinement fusion; stellarator; global ideal magnetohydrodynamic stability; computational analysis; Wendelstein 7-X divertor equilibria
资金
- European Union [633053]
Plasma configurations describing the stellarator experiment Wendelstein 7-X (W7-X) are computationally established taking into account the geometry of the test-divertor unit and the high-heat-flux divertor which will be installed in the vacuum chamber of the device (Gasparotto et al 2014 Fusion Eng. Des. 89 2121). These plasma equilibria are computationally studied for their global ideal magnetohydrodynamic (MHD) stability properties. Results from the ideal MHD stability code cas3d (Nuhrenberg 1996 Phys. Plasmas 3 2401), stability limits, spatial structures and growth rates are presented for free-boundary perturbations. The work focusses on the exploration of MHD unstable regions of the W7-X configuration space, thereby providing information for future experiments in W7-X aiming at an assessment of the role of ideal MHD in stellarator confinement.
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