Michael, C A; Zhao, F; Blackwell, B; Vos, M F J; Brotankova, J; Haskey, S R; Seiwald, B; Howard, J
The role of the rotational transform (ι) profile on fluctuations and transport is investigated in the
H-1 Heliac by means of dynamic (i.e. changing during a shot) and static (fixed during a shot)
scans of rotational transform through a range of values where the electron density drops
markedly and which correspond to having the point of imin located near r/a = 0.75 in a region
of magnetic well (such that the surface averaged magnetic field strength increases with radius).
The gap is near...[Show more]
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