Table 4.
Summary of the basic properties of the simulations shown in Figs. 16 and 17.
| Boosting factors | 3 × 104 |
1 × 104 |
3 × 103 |
|||
|---|---|---|---|---|---|---|
| num. flux function | AUSM+-up |  |
AUSM+-up |  |
AUSM+-up |  |
| τconv [h] | 2.69 | 2.86 | 3.96 | 4.32 | 6.21 | 7.40 |
 |
−6.14 | −6.05 | −4.86 | −4.52 | −2.54 | −2.55 |
 |
7.80 | 7.60 | 2.60 | 2.20 | 0.77 | 0.71 |
 |
0.45 | 0.54 | 0.39 | 0.52 | 0.34 | 0.41 |
 |
−0.10 | −0.10 | −0.11 | −0.12 | −0.09 | −0.11 |
 |
1.23 | 1.28 | 0.61 | 0.56 | 0.28 | 0.31 |
| vrms [106 cm s−1] | 1.08 | 1.04 | 0.66 | 0.62 | 0.40 | 0.35 |
 |
1.74 | 1.99 | 3.29 | 4.07 | 6.76 | 9.44 |
 |
0.44 | 0.43 | 1.02 | 1.09 | 2.62 | 3.35 |
Notes. All data is obtained by considering a time interval of ΔNτconv = 10. Legend: τconv: mean convective turnover time. 
: entrainment velocities at the bottom and top boundary. 
: Ratio of the entrainment velocity at the top boundary to the velocity estimated by a general entropy increase within the convection zone, see text and Eq. (21). 
: number of vertical grid cells crossed by the bottom (top) boundary over the period of one τconv. vrms: rms velocity in the convection zone. 
: bulk Richardson number at the bottom and top boundary.
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