Table 1
Parameters for two-dimensional compressible hydrodynamic simulations of the young Sun.
| R in | R out | Δr (10-4/R) | L in | L out | τconv(106 s) | Time span (τconv) | Surface radiation | ||||||||||||||||||||
|
|
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| Local | |||||||||||||||||||||||||||
|
|
|||||||||||||||||||||||||||
| YS0 | 0.31 | 0.67 | 14 | 5.82 × 10-2 | 1.93 | 2.52 ± 0.60 | 525 | constant | |||||||||||||||||||
| YS1 | 0.31 | 0.67 | 7 | 5.82 × 10-2 | 1.93 | 3.31 ± 0.36 | 152 | constant | |||||||||||||||||||
| YS2 | 0.31 | 0.67 | 3.5 | 5.82 × 10-2 | 1.93 | 3.59 ± 0.37 | 35 | constant | |||||||||||||||||||
|
|
|||||||||||||||||||||||||||
| Non-local | |||||||||||||||||||||||||||
|
|
|||||||||||||||||||||||||||
| YS3 | 0.10 | 0.97 | 14 | 5.37 × 10-3 | 2.32 | 1.19 ± 0.15 | 143 | constant | |||||||||||||||||||
| YS4 | 0.10 | 0.97 | 7 | 5.37 × 10-3 | 2.32 | 1.22 ± 0.21 | 71 | constant | |||||||||||||||||||
| YS5 | 0.10 | 0.97 | 3.5 | 5.37 × 10-3 | 2.32 | 1.03 ± 0.05 | 5 | constant | |||||||||||||||||||
|
|
|||||||||||||||||||||||||||
| YS6 | 0.21 | 1.00 | 14 | 3.36 × 10-2 | 2.32 | 0.67 ± 0.09 | 197 | varying | |||||||||||||||||||
Notes. The inner and outer radius of the spherical shell, and the radial resolution in the convection zone are given in units of the total radius of the young Sun R. The luminosity on the inner and outer radii are given in units of the solar luminosity, 3.839 × 1033 erg / s. The convective turnover time τconv, and the total time span for each simulation is summarized. The method of radiation of internal energy at the surface is also indicated. Simulations that test set-ups for local convection and non-local convection are included.
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