文章摘要信息 关键词 ： 热设计 有限元法 OSR 热平衡试验 [gap=856]Keywords : thermal design;methord of finite element;optical solar reflector;thermal balance test
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The spacecraft's shortcoming in design and manufacture will emerge in the thermal balance test, so the real-time fault diagnosis is essential.
航天器在热平衡试验中经常会暴露设计制造上的缺陷，因此有必要对它进行实时的故障诊断。
The paper describes the measuring technique of infrared radiant heat flux density reached the surface or absorbed by the surface of spacecraft during thermal balance test.
文章介绍了在航天器热平衡试验中到达航天器表面或被其吸收的红外辐射热流密度的测量技术。
The paper discusses the importance and implementation of various types of thermal tests (thermal balance test, thermal vacuum test and thermal cycling test) during the spacecraft development phase.
论述了各种类型热试验（热平衡试验、热真空试验、热循环试验） 在航天器研制中的重要性及它们的做法要点。
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