Drift mode calculations for the Large Helical Device

Rewoldt, G. ; Ku, L.-P. ; Tang, W. M. ; Sugama, H. ; Nakajima, N. ; Watanabe, K. Y. ; Murakami, S. ; Yamada, H. ; Cooper, W. A.

Princeton University. Plasma Physics Laboratory.

关键词: Kinetic Equations;    70 Plasma Physics And Fusion Technology;    Plasma Simulation;    Lhd Device;    Plasma Drift;   

DOI  :  10.2172/756594
RP-ID  :  PPPL-3451
RP-ID  :  AC02-76CH03073
RP-ID  :  756594

美国|英语

来源: UNT Digital Library

【 摘 要 】

A fully kinetic assessment of the stability properties of toroidal drift modes has been obtained for a case for the Large Helical Device (LHD) [A.Iiyoshi, et al., Plasma Physics and Controlled Nuclear Fusion Research, 1998, Nucl.Fusion 39, 1245 (1999)]. This calculation retains the important effects in the linearized gyrokinetic equation, using the lowest-order ''ballooning representation'' for high toroidal mode number instabilities in the electrostatic limit. Results for toroidal drift waves destabilized by trapped particle dynamics and ion temperature gradients are presented, using three-dimensional magnetohydrodynamics equilibria reconstructed from experimental measurements. The effects of helically-trapped particles and helical curvature are investigated.