Thermal design of light and small high resolution camera on Mars orbit

Light and small high resolution camera on Mars orbit takes high requirements for thermal control system mass and power dissipation. Considering thermal design details to the whole camera, the thermal control system was designed with light and good thermal performance structure material, advanced temperature controlled data transfer system, and many thermal controlled measures. Finally, it met the design requirements. In this paper, some thermal analysis and thermal design work about this advanced thermal control system were introduced. Based on the analysis about camera's external heat flux, two hot working conditions: =70, R=0and =-70, R=0, and one cold working condition: =0, R=-30 were determined. Considering with the interior heat flux and interface condition, detailed integrated thermal control schemes were established, and simulation results show the correctness of the thermal control schemes. This work will offer some technique supports to research about light and small high resolution camera on Mars orbit.