简要介绍了辐射-导热系统空间飞行器热比例模化的相似准则.报道了使用被动温控方式的三个人造地球卫星热比例模型的设计、制作和实验;实验结果与原型进行了比较.其结果表明:热比例模型工作可以作为空间飞行器热设计的一种手段,以减少热分析和原型热真空实验的工作量,从而降低研制成本,缩短研制周期. A brief introduction to the similarity criterion of thermal proportional modeling for spacecraft with radiative-thermal system is given.The design, fabrication and experiment of three artificial geostationary satellite thermal scale models using passive temperature control are reported.The experimental results are compared with the prototype It shows that the thermal proportional model can be used as a thermal design tool of spacecraft to reduce the workload of thermal analysis and prototype thermal vacuum experiments, so as to reduce the development cost and shorten the development cycle.