Physics – Plasma Physics
Scientific paper
Nov 1997
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997aps..dpphtp406b&link_type=abstract
American Physical Society, Division of Plasma Physics Meeting, November 17-21, 1997, abstract #hTupP406.
Physics
Plasma Physics
Scientific paper
footnotetext[2]Troitsk Institute for Innovative and Fusion Research A nonlinear theory of kinetic instabilities near threshold [Berk H.L., et al., IFSR report # 787, to be published in Plasma Physics Reports] is applied to calculate the saturation level of Toroidicity-induced Alfvén Eigenmodes (TAE). The growth and damping rates are computed perturbatively using the TAE structure calculated by NOVA-K code [C. Z. Cheng, Phys. Reports 211 (1992) 1]. Finite Orbit Width (FOW) effects are included into the new extension of NOVA-K [Gorelenkov, et al., Bull. Am. Phys. Soc. 41 (1996) 1381] to give realistic results. The numerical calculation is based on the averaging over the exact fast particle drift orbit. The results are compared with perturbation amplitudes determined by the reflectometer measurements. Comparisons of temporal behavior will be made between the observed fluctuation levels and the theoretical predicted levels based on inferred linear growth and damping rates that are changing with time.
Berk H. L.
Breizman B. N.
Cheng C. Z.
Fu Guo-Yong
Gorelenkov Nikolai
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