Diamagnetic drift stabilized ballooning modes in a 3D heliotron

An analysis of kinetic ballooning modes is presented, ray trajectories for the inward shifted Large Helical Device configuration at modest <beta > and with an anisotropic pressure profile due to the hot particles are evaluated and an estimate of the marginal stability is computed using the Weyl formula. The Weyl formula indicates that the finite diamagnetic drifts of the hot particles displaces the minimum phase space volume to lower frequencies; however, its magnitude is higher than when these drift effects are ignored.


Published in:
Plasma Physics And Controlled Fusion, 54, -
Presented at:
Symposium on Celebrating Professor Robert Dewars Accomplishments in Plasma Physics, Atlanta, GA, Oct 31, 2009
Year:
2012
Keywords:
Laboratories:
SPC
CRPP




 Record created 2012-02-16, last modified 2018-01-28


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