Kink instability

A kink instability, also oscillation or mode, is the m=1 class of magnetohydrodynamic instabilities which sometimes develop in a thin plasma column carrying a strong axial current. If a "kink" begins to develop in a column the magnetic forces on the inside of the kink become larger than those on the outside, which leads to growth of the perturbation.:47 As it develops at fixed areas in the plasma, kinks belong to the class of "absolute plasma instabilities", as opposed to convective processes. The kink instability was first widely explored in the Z-pinch fusion power machines in the 1950s.:47

This page was last edited on 17 March 2018, at 13:29.
Reference: https://en.wikipedia.org/wiki/Kink_instability under CC BY-SA license.

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