流体力学与飞行力学

热辐射对高超飞行器天线罩热评估的影响

  • 张晓晨 ,
  • 夏新林 ,
  • 林朝光 ,
  • 王振峰 ,
  • 谈和平
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  • 1. 哈尔滨工业大学 能源科学与工程学院, 哈尔滨 150001;
    2. 空间物理重点实验室, 北京 100076

收稿日期: 2016-11-07

  修回日期: 2017-03-01

  网络出版日期: 2017-02-28

Effect of thermal radiation on thermal evaluation of hypersonic vehicle radomes

  • ZHANG Xiaochen ,
  • XIA Xinlin ,
  • LIN Chaoguang ,
  • WANG Zhenfeng ,
  • TAN Heping
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  • 1. School of Energy Science and Engineering, Harbin Institute of Technology, Harbin 150001, China;
    2. Science and Technology on Space Physics Laboratory, Beijing 100076, China

Received date: 2016-11-07

  Revised date: 2017-03-01

  Online published: 2017-02-28

摘要

高超飞行器天线罩需要承载长时间高热流的气动加热,透波材料的辐射传热效应显著增强,传统的工程纯导热计算方法已不再适用。本文研究了高超飞行器天线罩的耦合传热过程,针对多层天线罩结构建立了辐射/导热耦合计算方法,并进行了电弧风洞试验验证,吻合度较高。为便于工程应用,引入一种可快速判断热辐射影响程度的判据,可通过判据数值确定合适的评估方法,提高了工程评估的效率与精度。该研究成果可推广至多孔隔热材料以及陶瓷材料的温度评估,具有较高的工程应用价值。

本文引用格式

张晓晨 , 夏新林 , 林朝光 , 王振峰 , 谈和平 . 热辐射对高超飞行器天线罩热评估的影响[J]. 航空学报, 2017 , 38(10) : 120916 -120916 . DOI: 10.7527/S1000-6893.2017.120916

Abstract

Hypersonic vehicle radomes need to be subjected to long time aerodynamic heating. The effect of thermal radiation has been greatly enhanced, and the traditional calculation method of pure heat conduction is no longer applicable. A method for evaluating multi-radome structures with two coupling-radiation and heat conduction is proposed for studying the effect of thermal radiation on heat transfer of hypersonic vehicle radomes. The method is verified by arc wind tunnel test. In order to realize the application of the method, a dimensionless number is put forward for the rapid assessment of the effect of thermal radiation on the heat-transfer process, so as to specify the scope of the radiation/conduction coupling method and traditional pure conduction method. The efficiency and refinement of the engineering design process is thus improved. The research results can be extended to temperature assessment of porous have high engineering values heat insulation and ceramics materials.

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