水速对潜射导弹出筒流场和弹道影响  

Effect of Flow Speed on Tube-exit of Submarine-launched Missile

作　　者：李仁凤 胡晓磊[2] 王正鹤 乐贵高[3] LI Ren-feng;HU Xiao-lei;WANG Zheng-he;LE Gui-gao(School of Aeronautical Engineering,Zhengzhou University of Aeronautics,Zhengzhou 450046,China;School of Mechanical Engineering,Anhui University of Science and Technology,Ma’anshan 243002,China;School of Mechanical Engineering,Nanjing University of Science and Technology,Nanjing 210094,China)

机构地区：[1]郑州航空工业管理学院航空工程学院,郑州450046 [2]安徽工业大学机械工程学院,安徽马鞍山243002 [3]南京理工大学机械工程学院,南京210094

出　　处：《火力与指挥控制》2019年第11期98-101,106,共5页Fire Control & Command Control

基　　金：郑州航空工业管理学院青年科研基金资助项目(2017153001)

摘　　要：为了研究水流速度对潜射导弹出筒过程的影响,基于混合多相流模型、Singhal空化模型和导弹动网格技术对不同流速下导弹弹射出筒过程流场进行数值计算,获得了考虑肩部空化现象的导弹出筒多相物理现象和发射装置载荷。结果表明,流速带来了流场的不对称;随着流速的增加,迎流面空泡长度减小,背流面空泡长度增加;导弹迎流面壁面压强大于背流面压强,从而形成侧向力,弹体在水流方向发生偏转。研究结果对于水下发射理论研究和工程应用具有指导意义。In order to study tube-exit process of submarine missile under condition of different flow speeds,the process of submarine missile tube-exit is calculated which is based on mixture multi-phase model,Singhal cavitation model and dynamic mesh technology.The multi-phase phenomenon and the change of load in the condition of missile launching process with cavitation are obtained.The results show that the flow field is asymmetric because of the flow speed.Furthermore,with the increase of speed,the length of vacuole on the flow face decreases and the length of vacuole on the back flow face increases.The pressure on flow face is greater than back flow face,thus resulting in missile deflection.The results are significance for the theory research and engineering application of underwater launch.

关 键 词：水流速度 潜射导弹 多相流 空化 动网格技术 

分 类 号：TJ762.4[兵器科学与技术—武器系统与运用工程]