Abstract
In order to obtain a comprehensive insight on the thermal environment of lunar surface, a thermal radiation model characterized by multi-temperature emissivity and variable reflectivity has been developed. By combining this model with the differential equation of heat conduction in lunar regolith and the orbit law of the moon, the numerical method was presented to calculate the temperature of lunar surface. After verifying the calculating code, the temperature evolvement of the lunar surface and its governing factors were analyzed, and the difference of temperature evolvement between the lunar mare and the lunar land was compared. The results showed that the new model was more accurate to predict the lunar surface temperature than the conventional two band model of thermal radiation.
| Original language | English |
|---|---|
| Pages (from-to) | 115-118 |
| Number of pages | 4 |
| Journal | Kung Cheng Je Wu Li Hsueh Pao/Journal of Engineering Thermophysics |
| Volume | 32 |
| Issue number | 1 |
| State | Published - Jan 2011 |
| Externally published | Yes |
Keywords
- Multi-temperature emis-sivity
- Thermal environment of lunar surface
- Thermal radiation model
- Variable reflectivity
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