典型参数对黏性干扰效应影响研究  

Study on the Influence of Typical Parameters on Viscous Interaction

作　　者：杨依峰 陈浩[1] 陈刚[1] 张昱煜[1] 于江鹏 YANG Yifeng;CHEN Hao;CHEN Gang;ZHANG Yuyu;YU Jiangpeng(Beijing Institute of Space Long March Vehicle,Beijing,100076)

机构地区：[1]北京航天长征飞行器研究所,北京100076

出　　处：《导弹与航天运载技术（中英文）》2023年第4期132-136,共5页Missiles and Space Vehicles

摘　　要：针对航天飞行器高空高速飞行面临的黏性干扰问题,以尖楔外形和典型后缘舵航天飞行器为研究对象,采用计算流体力学手段,开展高度(雷诺数)、壁温(壁温比)对壁面边界层流动的影响研究,获得黏性干扰流场结构变化及影响规律。结果表明:随着高度、壁温增大,黏性干扰效应增强,边界层逐渐增厚,机翼对空气舵的干扰影响增强,可造成航天飞行器空气舵表面压强降低,舵效显著减小。Aiming at the problem of viscous interaction faced by space vehicles in high altitude and high speed flight,the wedge and space vehicles with trailing rudder are taken as the research objects,omputational fluid dynamics(CFD)method is used to carry out the research on the influence of altitude(Reynolds number)and wall temperature(wall temperature ratio)on the wall boundary layer flow,and the structural changes and influence laws of viscous interaction flow field are obtained.The results show that with the increase of altitude and wall temperature,the viscous interaction effect is enhanced,the boundary layer is gradually thickened,and the interference effect of the wing on the rudder is enhanced,which results in the decrease of surface pressure,and the rudder efficiency is significantly decreased.

关 键 词：黏性干扰 高度 壁温 舵效 

分 类 号：V211[航空宇航科学与技术—航空宇航推进理论与工程]