Zonal Flow Generation in Toroidally Confined Plasmasthrough Modulational Instability of Drift Waves
The study of zonal flow constitutes an important part in the venture for achieving a controlled fusion reactor because of its role in mitigating turbulent transport. In this thesis, generation of zonal flow by modulational instability is discussed in a simple slab geometry, both in cold and hot ion models. In the case of cold ions with no resistivity, analysis on the Hasegawa-Mima equation results in a real nonlinear Schr¨odinger equation, derived...[Show more]
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