Physical model
Overview
Symbols
| Symbol | Unit | Description |
|---|---|---|
| $t$ | $[\mathrm{s}]$ | time |
| $T$ | $[\mathrm{K}]$ | Termperture |
| $R_\text{vis}$ | $[\text{-}]$ | Reflectance for visible light |
| $R_\text{ir}$ | $[\text{-}]$ | Reflectance for thermal infrared |
| $F_\text{sun}$ | $[\mathrm{W/m^2}]$ | Flux of direct sunlight |
| $F_\text{scat}$ | $[\mathrm{W/m^2}]$ | Flux of scattered light |
| $F_\text{rad}$ | $[\mathrm{W/m^2}]$ | Flux of thermal radiation from surrounding surface |
| $\rho$ | $[\mathrm{kg/m^3}]$ | Density |
| $C_p$ | $[\mathrm{J/K}]$ | Heat capacity at constant pressure |
| $P$ | $[\mathrm{s}]$ | Rotation period |
| $l$ | $[\mathrm{m}]$ | Thermal skin depth |
| $k$ | $[\mathrm{W/m/K}]$ | Thermal conductivity |
| $z$ | $[\mathrm{m}]$ | Depth |
| $E$ | $[\mathrm{J}]$ | Emittance energy |
| $\Gamma$ | $[\mathrm{tiu}] = [\mathrm{J \cdot m^{-2} \cdot K^{-1} \cdot s^{-1/2}}]$ | Thermal inertia (cf. Thermal inertia SI unit proposal) |
| $\varepsilon$ | $[\text{-}]$ | Emissivity |
| $\Phi$ | $[\mathrm{W/m^2}]$ | Solar energy flux |