月面热环境的反演研究  

Inversion of Thermal Environment of Lunar Surface

作　　者：任德鹏[1] 贾阳[1] 彭松[1] REN De-peng;JIA Yang;PENG Song(Beijing Institute of Spacecraft System Engineering, Beijing 100094, China)

机构地区：[1]北京空间飞行器总体设计部,北京100094

出　　处：《宇航学报》2018年第4期435-441,共7页Journal of Astronautics

基　　金：国家重大科技专项工程

摘　　要：以嫦娥三号巡视器月面日食期间非稳态的温度遥测数据为基础,通过建立月壤及巡视器的传热模型,反演了日食期间月面温度的变化,并给出了符合巡视器温度遥测的月壤热物性参数取值范围。在此基础上,对月面热环境进行了分析研究。结果表明,本文反演的月壤平均导热系数大于常见取值,而比热却明显小于常见取值。采用反演的热物性值计算的月表温度与之前认识相符,但对月壤内部热环境有新发现,其温度梯度相对减小而恒温层厚度则明显增大。Based on the telemetry data of the unsteady temperature of the Chang＇ E-3 rover during the moon eclipse, this paper retrieves the temperature variation of the lunar surface during the eclipse by constructing a heat transfer model between the lunar soil and the rover. And then the parameter ranges of the thermophysical properties of the lunar soil are derived. The thermal environment of the lunar surface is analyzed and researched on this basis. The result shows that the average inversed thermal conductivity is larger than the common value, while the specific heat is much lower than its common value. The temperature of the lunar surface calculated by using the inversed thermophysieal properties matches the previous understanding. But there is a new discovery on the internal thermal environment of the lunar soil that the temperature gradient is smaller and the constant temperature layer is thicker than those that are revealed in the previous study.

关 键 词：热环境 月面 嫦娥三号 反演 

分 类 号：TK124[动力工程及工程热物理—工程热物理]