Kinetic Damping of Toroidal Alfven Eigenmodes

Fu, G.Y. ; Berk, H.L. ; Pletzer, A.

Princeton University. Plasma Physics Laboratory.

关键词: Wave Damping;    Tokamaks;    70 Plasma Physics And Fusion Technology;    Kinetics;    Resonance Alfven Waves;   

DOI  :  10.2172/839535
RP-ID  :  PPPL-4069
RP-ID  :  AC02-76CH03073
RP-ID  :  839535

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来源: UNT Digital Library

【 摘 要 】

The damping of Toroidal Alfven Eigenmodes in JET plasmas is investigated by using a reduced kinetic model. Typically no significant damping is found to occur near the center of the plasma due to mode conversion to kinetic Alfven waves. In contrast, continuum damping from resonance near the plasma edge may be significant, and when it is, it gives rise to damping rates that are compatible with the experimental observations.