气动加热环境下壁面热响应的快速分析方法  

A Fast Method to Analyze Thermal Response of Shell to Aerodynamic Heating

作　　者：洪元[1] 刘亮堂 杨立明[1] 祝成民[2] HONG Yuan;LIU Liangtang;YANG Liming;ZHU Chengmin(Space Star Technology Co.,Ltd.,Beijing 100086,China;School of Aerospace Engineering,Beijing University of Aeronautics and Astronautics,Beijing 102206,China)

机构地区：[1]航天恒星科技有限公司,北京100086 [2]北京航空航天大学宇航学院,北京102206

出　　处：《弹箭与制导学报》2022年第1期82-85,共4页Journal of Projectiles,Rockets,Missiles and Guidance

摘　　要：气动加热是高速飞行器热防护设计需要考虑的重要因素,已有的研究表明气动热与物体传热耦合计算是研究气动热对飞行器影响的最好方法。但是,这种方法的计算量大、周期长,不适合气动热防护的工程设计。首先利用气动热计算得到恢复焓和换热系数。其次提出了适用于工程设计的气动热与壳体导热的松耦合计算,提高了计算效率。最后使用经过飞行试验验证的数据对该方法进行了验证,证明了其正确性。The aerodynamic heating is an important factor in design of thermal protection of high-speed vehicle.Researches indicated that coupled computation of aerothermodynamics and heat conduction is the best way to evaluate impact of aerodynamics heating to vehicle.But coupled computation is hard to applying to engineering design of thermal protection of aerodynamics heating because of its heavy computation work and too long period of iteration.In this work,a method of weak coupled computation of aerothermodynamics and heat conduction in shell is present for engineering design of heat protection.This method is based recovery enthalpy and coefficient of heat transfer from computation of aerothermodynamics,and it is more efficient than strong coupled method.The comparison of the result of this method and the data which is checked by flight test indicate that this method is accurate and efficient.

关 键 词：气动热 数值分析 快速计算 工程设计 

分 类 号：V435.11[航空宇航科学与技术—航空宇航推进理论与工程]