Continuum damping of low-n toroidicity-induced shear Alfven eigenmodes
Description:
The effect of resonant continuum damping is investigated for the low-mode-number, toroidicity-induced, global shear Alfven eigenmodes, which can be self-excited by energetic circulating alpha particles in an ignited tokamak plasma. Resonant interaction with the shear Alfven continuum is possible for these eigenmodes, especially near the plasma periphery, leading to significant dissipation, which is typically larger than direct bulk plasma dissipation rates. Two perturbation methods are develope…
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Date:
September 1, 1991
Creator:
Berk, H.L.; Van Dam, J.W.; Guo, Z. & Lindberg, D.M.
Item Type:
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Partner:
UNT Libraries Government Documents Department