Growth of Nonlinear Zonal Flow

Gallery 38

This figure shows the first steps of growth of a nonlinear zonal flow in a PIC numerical simulation of gyrokinetic ion-temperature-gradient (ITG) turbulence in a tokamak fusion plasma.

Image courtesy of Raul Sanchez, Senior R&D staff member in the Fusion Energy Division at Oak Ridge National Laboratory. The data used in the visualization were produced using the UCAN gyrokinetic code at the ARSC supercomputers located at the University of Alaska, Fairbanks.

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