Microtearing Instability In The ITER Pedestal
Authors: K.L. Wong, D.R. Mikkelsen, G.M. Rewoldt and R. Budny
Abstract:
Unstable microtearing modes are discovered by the GS2 gyrokinetic siimulation code, in the pedestal region of a simulated ITER H-mode plasma with approximately 400 WM DT fusion power. Existing nonlinear theory indicates that these instabilities should produce stochastic magnetic fields and broaden the pedestal. The resulted electron thermal conductivity is estimated and the implications of these findings are discussed.
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Submitted to: Nuclear Fusion (December 2010)
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Download PPPL-4579 (pdf 5.51 MB 17 pp)
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