带尾裙跨介质航行体高速斜入水实验研究

刘喜燕 袁绪龙 罗凯 祁晓斌 鲁娜

刘喜燕, 袁绪龙, 罗凯, 祁晓斌, 鲁娜. 带尾裙跨介质航行体高速斜入水实验研究[J]. 爆炸与冲击, 2023, 43(11): 113301. doi: 10.11883/bzycj-2022-0509
引用本文: 刘喜燕, 袁绪龙, 罗凯, 祁晓斌, 鲁娜. 带尾裙跨介质航行体高速斜入水实验研究[J]. 爆炸与冲击, 2023, 43(11): 113301. doi: 10.11883/bzycj-2022-0509
LIU Xiyan, YUAN Xulong, LUO Kai, QI Xiaobin, LU Na. Experimental study on high-velocity oblique water entry ofa trans-media vehicle with tail-skirt[J]. Explosion And Shock Waves, 2023, 43(11): 113301. doi: 10.11883/bzycj-2022-0509
Citation: LIU Xiyan, YUAN Xulong, LUO Kai, QI Xiaobin, LU Na. Experimental study on high-velocity oblique water entry ofa trans-media vehicle with tail-skirt[J]. Explosion And Shock Waves, 2023, 43(11): 113301. doi: 10.11883/bzycj-2022-0509

带尾裙跨介质航行体高速斜入水实验研究

doi: 10.11883/bzycj-2022-0509
基金项目: 瞬态物理国家重点实验室基金(6142604190401)
详细信息
    作者简介:

    刘喜燕(1992-  ),女,博士研究生,liuxiyan1992@mail.nwpu.edu.cn

    通讯作者:

    袁绪龙(1977-  ),男,博士,副教授,yuanxulong@nwpu.edu.cn

  • 中图分类号: O368; TJ630.1

Experimental study on high-velocity oblique water entry ofa trans-media vehicle with tail-skirt

Funds: ZHAO C G. Research on multiphase flow and trajectory characteristics of unsteady movement of high speed projectile [D]. Harbin, Heilongjiang, China: Harbin institute of technology, 2017: 95-99.
  • 摘要: 为了研究带尾裙跨介质航行体高速斜入水过程中空泡的发展及运动特性,搭建了高速入水实验平台,并设计了带有内测单元的实验模型,对带尾裙跨介质航行体开展了入水角为20°、入水速度为30~130 m/s的实验研究。采用高速摄像机记录入水空泡,同时由内测单元测量航行体的运动参数和泡内压力,获得了航行体高速斜入水过程中空泡的发展特性、入水运动特性以及泡内压力的变化规律。实验结果表明:带尾裙跨介质航行体在入水过程中形成了滑行运动特性,入水空泡发生弯曲变形现象,随着入水速度的升高,入水弹道向上偏转的趋势更加明显;航行体入水轴向过载峰值作用时间较长,法向过载峰值在入水1.5倍航行体长度后逐渐降至零值附近波动;泡内压力随入水空泡的形成和发展呈现先降低后升高的趋势,且最低压力随入水速度呈线性趋势,形成时间基本一致。
  • 图  1  实验系统

    Figure  1.  Experimental setup

    图  2  实验系统布置

    Figure  2.  Layout of experimental setup

    图  3  入水实验模型

    Figure  3.  Water-entry experimental model

    图  4  测量单元安装

    Figure  4.  Installation of measuring unit

    图  5  坐标系定义

    Figure  5.  Definition of the coordinate system

    图  6  高速摄像处理结果

    Figure  6.  High-speed camera processing result

    图  7  重复性实验的速度曲线对比

    Figure  7.  Comparison of velocity curves among threerepeatability experiments

    图  8  入水速度70 m/s时入水过程中测量单元重复性实验结果的对比

    Figure  8.  Comparison of repeatability experiment results at the measuring unit during the water-entry process of the vehicle with the water-entry velocity of 70 m/s

    图  9  跨介质航行体入水的空泡发展过程

    Figure  9.  Water-entry cavity development of the trans-media vehicle

    图  10  入水速度70 m/s入水过程的航行体过载特性和运动参数随时间的变化

    Figure  10.  Overload characteristics and motion parameters of vehicle varying with time during the water-entry process of the vehicle with the water-entry velocity of 70 m/s

    图  11  尾裙入水的受力分析

    Figure  11.  Schematic diagram of forces on the tail-skirt at the time of water-entry

    图  12  不同入水速度时的载荷特性曲线

    Figure  12.  Load characteristics curves at different water-entry velocities

    图  13  入水速度70 m/s入水过程中压力传感器P1和P2测得的压力曲线

    Figure  13.  Pressure curves obtained by the pressure gauges P1 and P2 during the water-entry process ofthe vehicle with the water-entry velocity of 70 m/s

    图  14  不同入水速度下压力传感器P1的压力特性

    Figure  14.  Pressure characteristics obtained by pressure gauge P1 at different water-entry velocities

    图  15  不同入水速度下的运动弹道参数

    Figure  15.  Motion trajectory parameters under different water-entry velocities

    图  16  不同入水速度的空泡特征

    Figure  16.  Cavity characteristics under different water-entry velocities

    表  1  不同入水速度时轴向和法向过载特性

    Table  1.   Characteristics of axial and normal overloads at different water-entry velocities

    v0/(m·s−1) 轴向过载 法向过载
    Ax,max/g Δt/ms Ay,avg/g s/L
    30 12.0 13.0 3.5 1.491
    50 13.3 11.0 6.5 1.492
    70 30.4 9.8 8.2 1.496
    90 38.6 8.2 8.3 1.495
    110 56.8 7.4 12.5 1.497
    130 73.8 5.9 17.8 1.505
     注:根据文献[23]计算滑行周期内法向过载的均值。
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出版历程
  • 收稿日期:  2022-11-14
  • 修回日期:  2023-07-10
  • 网络出版日期:  2023-07-21
  • 刊出日期:  2023-11-17

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