Fig. 5.

Steady differential rotation (left panel) normalised to the top value, and norm and streamlines of the total meridional velocity field (right panel). The parameters of the simulation (run 1.4 in Table 4) are E = 10−6, Pr(N0/Ω0)2 = 10−1, and Rec = 10−2. Outside the tangent cylinder the black dashed lines represent the streamlines of an anticlockwise circulation, and the solid lines those of a clockwise circulation. Inside the tangent cylinder the dashed lines simply correspond to the streamlines of a downward circulation, while the solid lines are for an upward circulation.
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