真空热试验中红外笼对伞状天线非稳态加热过程数值仿真  

Numerical simulation of transient heating process in thermal vacuum test of an umbrella-shaped antenna

作　　者：林博颖[1] 苏新明[1] 简亚彬[1] 李振伟[1] 解峥[1] 王晶[1,2] 郄殿福[1,2] LIN Boying;SU Xinming;JIAN Yabin;LI Zhenwei;XIE Zheng;WANG Jing;QIE Dianfu(Beijing Institute of Spacecraft Environment Engineering;Science and Technology on Reliability and Environmental Engineering Laboratory,Beijing Institute of Spacecraft Environment Engineering:Beijing 100094,China)

机构地区：[1]北京卫星环境工程研究所 [2]北京卫星环境工程研究所可靠性与环境工程技术重点实验室,北京100094

出　　处：《航天器环境工程》2018年第4期348-352,共5页Spacecraft Environment Engineering

基　　金：国家自然科学青年基金项目"高真空低温表面水蒸气凝华机理研究"(编号:51506009)

摘　　要：文章针对真空热试验红外加热装置计算机辅助设计中的非稳态过程模拟问题,以一种较为复杂的伞状天线结构为例,以红外笼作为加热装置,对真空热试验环境下的加热过程进行数值仿真研究。采用红外笼的等效加热面模型简化仿真模型,使计算负荷可以达到工程应用的水平,同时满足模拟精度的要求。数值仿真与试验数据对比证明,所采用的计算方法可以为红外笼等红外加热装置的设计提供准确的非稳态加热过程模拟。The infrared heating facilities are universally used in the spacecraft thermal vacuum tests.To improve the accuracy and the efficiency of the CAD based design process in the numerical simulation for complicated configurations,this paper,for an umbrella-shaped antenna,with an infrared heating cage as the heating apparatus,carries out the numerical analysis of the heating process with a simplified model,as well as an effective heating panel method,in which the computation resource requirement is reduced to an affordable level for engineering applications.It is confirmed by comparing with the experimental data that the numerical simulation is effective in providing guidances for the design of heating facilities used for the thermal vacuum test of aerospace products.

关 键 词：伞状天线 红外加热笼 真空热试验 数值仿真 等效加热面模型 非稳态过程 

分 类 号：V416.5[航空宇航科学与技术—航空宇航推进理论与工程]