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Thermal Control Technology of Lunar Lander
Compared with Earth orbit and circumlunar spacecraft, lunar soft-landing probes will go through complicated phases including launching, LTO, lunar orbit, powered descent, landing and operation on lunar surface. The external environment and operation modes of instruments in different phases are different. It’s necessary to take proper thermal control measures to make sure appropriate temperature range of structure and instruments to achieve mission objectives. The major function of thermal control subsystem is to maintain the structure and instruments of the lunar lander within acceptable temperature range throughout lifetime by controlling the heat exchange between interior of the lunar lander and external environment with thermal material and devices. The requirements of mass and power consumption of thermal control subsystem shall be as low as possible. The temperature range is different, for example, general electronic equipment is from −20 °C to 55 °C and inner structure of the lunar lander is from −100 °C to 80 °C before landing. Therefore, there will different thermal measures for different temperature range.
Thermal Control Technology of Lunar Lander
Compared with Earth orbit and circumlunar spacecraft, lunar soft-landing probes will go through complicated phases including launching, LTO, lunar orbit, powered descent, landing and operation on lunar surface. The external environment and operation modes of instruments in different phases are different. It’s necessary to take proper thermal control measures to make sure appropriate temperature range of structure and instruments to achieve mission objectives. The major function of thermal control subsystem is to maintain the structure and instruments of the lunar lander within acceptable temperature range throughout lifetime by controlling the heat exchange between interior of the lunar lander and external environment with thermal material and devices. The requirements of mass and power consumption of thermal control subsystem shall be as low as possible. The temperature range is different, for example, general electronic equipment is from −20 °C to 55 °C and inner structure of the lunar lander is from −100 °C to 80 °C before landing. Therefore, there will different thermal measures for different temperature range.
Thermal Control Technology of Lunar Lander
Space Technology Library
Yu, Deng-Yun (author) / Sun, Ze-Zhou (author) / Zhang, He (author)
2021-03-26
47 pages
Article/Chapter (Book)
Electronic Resource
English
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