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Existence and damping of toroidicity-induced Alfven eigenmodes

Technical Report ·
DOI:https://doi.org/10.2172/10107738· OSTI ID:10107738
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A new method of analyzing the toroidicity-induced Alfven eigenmode (TAE) from kinetic theory is presented. The analysis includes electron parallel dynamics non-perturbatively, an effect which is found to strongly influence the character and damping of the TAE -- contrary to previous theoretical predictions. The normal electron Landau damping of the TAE is found to be higher than previously expected, and may explain recent experimental measurements of the TAE damping coefficient. 11 refs., 1 fig., 1 tab.

Research Organization:
Texas Univ., Austin, TX (United States). Inst. for Fusion Studies
Sponsoring Organization:
USDOE, Washington, DC (United States)
DOE Contract Number:
FG05-80ET53088
OSTI ID:
10107738
Report Number(s):
DOE/ET/53088--531; IFSR--531; ON: DE92004250
Country of Publication:
United States
Language:
English

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Related Subjects

70 PLASMA PHYSICS AND FUSION TECHNOLOGY
700340
ALFVEN WAVES
EIGENVALUES
LANDAU DAMPING
PLASMA WAVES, OSCILLATIONS, AND INSTABILITIES
TOKAMAK DEVICES
WAVE FUNCTIONS