Table 1
Parameters of the numerical simulations in this work.
| DNS | Gravity g | Flux Fbot | Conductivity Kmax | Tbump | Width e | Slope σ | Viscosity ν | Frequency ω00 | Rayleigh |
|
|
|||||||||
| G8 | 8 | 4.5 × 10-2 | 10-2 | 6 | 1 | 1 | 2.5 × 10-4 | 3.85 | 105 |
| G8V5 | 8 | 4.5 × 10-2 | 10-2 | 6 | 1 | 1 | 5 × 10-4 | 3.85 | 5 × 104 |
| G8H95 | 8 | 4.5 × 10-2 | 9.5 × 10-3 | 6.5 | 1 | 1 | 5 × 10-4 | 3.84 | 8 × 104 |
| G8H9 | 8 | 4.5 × 10-2 | 9 × 10-3 | 7 | 1 | 1 | 5 × 10-4 | 3.83 | 105 |
| G8H8 | 8 | 4.5 × 10-2 | 8 × 10-3 | 7.5 | 1 | 1.1 | 5 × 10-4 | 3.80 | 2 × 105 |
| G7 | 7 | 4 × 10-2 | 10-2 | 5.5 | 1.5 | 0.8 | 2.5 × 10-4 | 3.62 | 8 × 104 |
| G6 | 6 | 4 × 10-2 | 10-2 | 6 | 1.5 | 0.8 | 5 × 10-4 | 3.35 | 8 × 104 |
| G6F7 | 6 | 3.7 × 10-2 | 10-2 | 5.7 | 1.5 | 0.8 | 3.5 × 10-4 | 3.36 | 9 × 104 |
| G6F7V4 | 6 | 3.7 × 10-2 | 10-2 | 5.7 | 1.5 | 0.8 | 4 × 10-4 | 3.36 | 8 × 104 |
| G6F5 | 6 | 3.5 × 10-2 | 10-2 | 5.5 | 1.5 | 0.8 | 3 × 10-4 | 3.36 | 9 × 104 |
| G6F5V4 | 6 | 3.5 × 10-2 | 10-2 | 5.5 | 1.5 | 0.8 | 4 × 10-4 | 3.36 | 7 × 104 |
Notes. The two bold-typed ones emphasise the two simulations discussed
in the following. For all these simulations, we assume
Ttop = 2,
ρtop = 10-2,
,
and
Lx/Lz = 4.
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