水下高速航行体的声场建模与声场特征研究  

Acoustic field modeling and field characteristics of underwater high-speed navigation bodies

作　　者：余颖 崔乃刚[2] 刘晓健 刘灿阳 刘雪峰[4] 凡友华 YU Ying;CUI Naigang;LIU Xiaojian;LIU Canyang;LIU Xuefeng;FAN Youhua(School of Science,Harbin Institute of Technology(Shenzhen),Shenzhen 518055,China;School of Astronautics,Harbin Institute of Technology,Harbin 150001,China;School of Civil Engineering,Tianjin Chengjian University,Tianjin 300384,China;Aeronautical Engineering College,Civil Aviation University of China,Tianjin 300300,China)

机构地区：[1]哈尔滨工业大学(深圳)理学院,深圳518055 [2]哈尔滨工业大学航天学院,哈尔滨150001 [3]天津城建大学土木工程学院,天津300384 [4]中国民航大学航空工程学院,天津300300

出　　处：《兵器装备工程学报》2025年第3期43-50,共8页Journal of Ordnance Equipment Engineering

基　　金：军委科技委基础加强计划技术领域基金项目(2021JCJQJJ1055)。

摘　　要：复杂的水声环境和水下目标“隐身”技术的发展对高速航行体的探测技术提出了更高的要求,因此开展声场精确建模方法和声场特性分析研究具有重要意义。以工程技术关键问题为核心,针对高速航行体的远场声学特性,基于有限体积法建立航行体以给定运动轨迹航行的数值计算模型,采用新型远场声学数值计算方法,对不同速度、不同位置监测点处的动态水压时程曲线进行了计算和分析。结果表明,航行体速度不同,但水下声场随距离衰减趋势一致。同时,分析了不同位置处扰动声场的敏感性,偏离运动轴线10 m处,声场信号强度下降了20%~40%。该仿真结果较为真实的还原了高速航行体的水下航行状态和远场声学特性,并为水下高速航行体探测研究提供新思路。The development of complex underwater acoustic environments and stealth technology for underwater targets has placed higher demands on detection technology for high-speed vehicles.Taking the key engineering problems as the core,for the far-field acoustic characteristics of high-speed navigable body,a numerical model of navigable body sailing with a given trajectory is established based on the finite volume method,and a new type of far-field acoustic numerical computation method is adopted to compute and analyze the dynamic water pressure curves of monitoring points with different speeds and different positions.The results show that the sailing body has different speeds,but the underwater acoustic field has the same trend of decaying with distance.At the same time,the sensitivity of the disturbed sound field at different locations was analyzed,and the signal intensity of the sound field decreased by 20%~40%at 10 m away from the motion axis.The simulation results more realistically restore the underwater navigation state and far-field acoustic characteristics of the high-speed vehicle,and provide new ideas for underwater high-speed vehicle detection research.

关 键 词：高速航行体 声场建模 声场特性分布 扰动声场 流体动力特性 

分 类 号：O353.4[理学—流体力学]