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Table 2

Time- and volume-averages of the rotational, , and compressible, , energy per mass as a proportion of the total flow, u2 , obtainedfrom Helmholtz decompositions of u at snapshots every Myr.

Run Epot Erot
[u2] [u2] [Ekin] [Ekin]
4Ωp 0.40 ± 0.10 0.60 ± 0.10 1.6 ± 0.8 1.8 ± 0.7
2Ωp 0.34 ± 0.07 0.66 ± 0.07 3.2 ± 2.2 3.7 ± 2.2
1Ωp 0.36 ± 0.07 0.64 ± 0.07 1.7 ± 0.8 1.9 ± 0.8
0Ω0 0.41 ± 0.10 0.59 ± 0.10 2.1 ± 0.8 2.4 ± 0.9
1Ωn 0.30 ± 0.05 0.70 ± 0.05 3.8 ± 2.5 4.1 ± 2.2
2Ωn 0.33 ± 0.05 0.67 ± 0.05 6.2 ± 4.3 6.7 ± 4.2
4Ωn 0.29 ± 0.07 0.71 ± 0.07 3.7 ± 3.0 4.2 ± 3.2

Notes. The respective energies, Erot and Epot , are listed as multiples of total kinetic energy, Ekin as given in Table 1.

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