Using the nonlinear gyrokinetic code package GENE/GIST [F. Jenko, W. Dorland, M. Kotschenreuther, and B. N. Rogers, Phys. Plasmas 7, 1904 (2000); P. Xanthopoulos, W. A. Cooper, F. Jenko, Yu. Turkin, A. Runov, and J. Geiger, Phys. Plasmas 16, 082303 (2009)], we study the turbulent transport in a broad family of stellarator designs, to understand the geometry dependence of the microturbulence. By using a set of flux tubes on a given flux surface, we construct a picture of the two-dimensional structure of the microturbulence over that surface and relate this to relevant geometric quantities, such as the curvature, local shear, and effective potential in the Schrödinger-like equation governing linear drift modes.
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Letter| November 10 2009
Geometry dependence of stellarator turbulence
H. E. Mynick;
H. E. Mynick, P. Xanthopoulos, A. H. Boozer; Geometry dependence of stellarator turbulence. Phys. Plasmas 1 November 2009; 16 (11): 110702. https://doi.org/10.1063/1.3258848
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