Table 1
Parameters of the turbulence simulations.
| R e p | Re | U c | v L | ε Kol | ν mol | d | ℓ Kol | t Kol | L | t L | Nx × Ny × Nz | N p | ||
|
|
||||||||||||||
| 400 | 200 | 1 | 0.14 | 9.2 × 10-4 | 0.002 | 0.8 | 0.054 | 1.46 | 2.92 | 21.0 | 256 × 256 × 2048 | ≈ 107 | ||
| 400 | 450 | 1 | 0.29 | 7.7 × 10-3 | 0.002 | 0.8 | 0.032 | 0.51 | 3.04 | 10.6 | 256 × 256 × 2048 | ≈ 107 | ||
| 400 | 600 | 1 | 0.39 | 1.95 × 10-2 | 0.002 | 0.8 | 0.025 | 0.32 | 3.09 | 7.9 | 256 × 256 × 2048 | ≈ 107 | ||
| 400 | 900 | 1 | 0.60 | 6.9 × 10-2 | 0.002 | 0.8 | 0.018 | 0.17 | 3.10 | 5.2 | 256 × 256 × 2048 | ≈ 107 | ||
| 400 | 3000 | 1 | 1.18 | 4.8 × 10-1 | 0.002 | 0.8 | 0.0114 | 0.065 | 3.40 | 2.9 | 256 × 256 × 2048 | ≈ 107 | ||
Notes. Rep = Ucd/νmol: planetesimal Reynolds number; Re = vLL/νmol: outer gas flow Reynolds number; vL: root-mean-square velocity; εKol: mean kinetic energy dissipation rate; νmol: kinematic viscosity; d: planetesimal diameter; 
: Kolmogorov dissipation length scale; tKol = (νmol/εKol)1/2: Kolmogorov time scale; 
: integral scale; tL = L/vL: large-eddy turnover time; N3: number of collocation points.
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