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Table 1

Onset times for disruption of each thread.

Thread Driving: max vϕ TD λ Twist (Φ)
1 0.05 180 3.78 18.91
2 0.02 230 1.93 9.66
3 0.02 310 2.60 13.02

Notes. For each thread, the maximum value of the azimuthal driving velocity and the time at which disruption is evident in the numerical results (TD) are shown, alongside the corresponding value of coefficient λ and the twist present in the thread (as per Eq. (15), the mean over the area), at the time shown.

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