PPPL-4277
The Theory of the Kink Mode during the Vertical Disruption Events in Tokamaks
Author: Leonid E. Zakharov
Abstract:
This paper explains the locked m/n = 1/1 kink mode during the vertical disruption event when the
plasma has an electrical contact with the plasma facing conducting surfaces. It is shown that the kink
perturbation can be in equilibrium state even with a stable safety factor q > 1, if the halo currents,
excited by the kink mode, can flow through the conducting structure. This suggests a new explanation
of the so-called sideway forces on the tokamak in-vessel components during the disruption event.
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