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The Theory of the Kink Mode during the Vertical Disruption Events in Tokamaks
Author(s) -
L. Zakharov
Publication year - 2008
Language(s) - English
Resource type - Reports
DOI - 10.2172/960425
Subject(s) - tokamak , safety factor , plasma , physics , halo , excited state , perturbation (astronomy) , mode (computer interface) , mechanics , event (particle physics) , atomic physics , nuclear physics , quantum mechanics , computer science , galaxy , operating system
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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