Open Access
Table 1
Adopted Exo-FMS GCM parameters.
| Symbol | Value | Unit | Description |
|---|---|---|---|
| Tint | 458 | K | Internal temperature |
| p0 | 100 | bar | Reference surface pressure |
| pup | 10−4 | bar | Upper boundary pressure |
| cp | 12 045 | J K−1 kg−1 | Specific heat capacity |
| Rd | 3568 | J K−1 kg−1 | Specific gas constant |
| κ | 0.296 | – | Adiabatic coefficient |
| gBD | 288 | m s−2 | Gravitational acceleration |
| RBD | 0.94 | RJup | Brown dwarf radius |
| PBD | 10 | h | Rotational period |
| [M/H] | 0 | – | log10 solar metallicity |
| pamp | 10 | bar | Perturbation boundary layer |
| Tamp | 4.32 ⋅ 10−5 | K s−1 | Perturbation amplitude |
| α | 1 | – | MLT scale parameter |
| β | 2.2 | – | Overshooting parameter |
| τstorm | 105 | s | Storm timescale |
| τdrag | 105 | s | Basal drag timescale |
| Δ thyd | 60 | s | Hydrodynamic time-step |
| Δ trad | 600 | s | Radiative time-step |
| Δ tMLT | 0.5 | s | Mixing length theory time-step |
| Δ tch | 600 | s | Mini-chem time-step |
| Δ tcld | 600 | s | Mini-cloud time-step |
| Nv | 60 | – | Vertical resolution |
| d4 | 0.16 | – | O(4) divergence dampening coef. |
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