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Table 1 Dynamo models control parameters: Rayleigh Ra, Ekman E, and magnetic Prandtl Pm

From: Deep magnetic field stretching in numerical dynamos

Model Ra E Pm Rm \(\bar {\delta \tau }\)
1 2×105 1×10−3 5 137 14.75
2 2×105 1×10−3 10 255 11.9
3 4×105 1×10−3 5 219 33.07
4 5×105 3×10−4 3 82 22.51
5 1×106 3×10−4 3 125 14.60
6 3×106 3×10−4 3 234 78.98
7 1×107 1×10−4 1.3 126 9.42
8 1×107 1×10−4 2 218 5.50
9 3×107 1×10−4 2 446 16.66
  1. For all models, we set the Prandtl number to Pr=1. \(\bar {\delta \tau }\) denotes the average time difference between successive snapshots in units of magnetic advection time