Abstract:Experiment related to suppression of fishbone activities by electron cyclotron resonance heating (ECRH) has been carried out on HL-2A tokamak. To achieve multiple deposition locations of ECRH, the magnetic field ranges 1.22~1.4<i>T</i> from shot to shot. It is found that the fishbone modes exhibit different characteristics with different radial deposition locations. With the same injected power, the effect of off-axis ECRH is much better than that of on-axis heating. The fishbone modes can be compl… Show more
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