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Table 2

Summary of the properties of the statistically-steady nonlinear dynamo calculations.

Run ζ0 Urms Re Rm Pm

A1 0.111 0.304 89 500 5.62 0.031 0.076
A2 0.125 0.337 149 492 3.30 0.024 0.047
A3 0.136 0.385 339 517 1.53 0.020 0.025
A4 0.15 0.409 479 498 1.04 0.012 0.008

B1 0.15 0.303 89 369 4.15 0.031 0.059
B2 0.15 0.336 148 409 2.76 0.029 0.048
B3 0.15 0.378 333 460 1.38 0.028 0.037
B4 0.15 0.390 458 475 1.04 0.027 0.030

Notes. The convective flows correspond to those given in Table 1. As before, Urms corresponds to the time-averaged rms velocity, and both Re and Rm have been derived from this. The quantity corresponds to the horizontally-averaged value of the modulus of Bz at the surface, Beq,0 is the equipartition field strength at z = 0, whilst KE and ME represent the total kinetic and magnetic energies respectively. All of these quantities have also been time-averaged.

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