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大尺度跨介质航行器高速倾斜入水冲击载荷特性研究

张彤运 王聪 许海雨 夏维学 马潇健 赵静

张彤运, 王聪, 许海雨, 等. 大尺度跨介质航行器高速倾斜入水冲击载荷特性研究[J]. 水下无人系统学报, 2024, 32(3): 1-8 doi: 10.11993/j.issn.2096-3920.2024-0021
引用本文: 张彤运, 王聪, 许海雨, 等. 大尺度跨介质航行器高速倾斜入水冲击载荷特性研究[J]. 水下无人系统学报, 2024, 32(3): 1-8 doi: 10.11993/j.issn.2096-3920.2024-0021
ZHANG Tongyun, WANG Cong, XU Haiyu, XIA Weixue, MA Xiaojian, ZHAO Jing. Research on the load characteristics of large-scale trans-media vehicles with high-speed oblique water entry[J]. Journal of Unmanned Undersea Systems. doi: 10.11993/j.issn.2096-3920.2024-0021
Citation: ZHANG Tongyun, WANG Cong, XU Haiyu, XIA Weixue, MA Xiaojian, ZHAO Jing. Research on the load characteristics of large-scale trans-media vehicles with high-speed oblique water entry[J]. Journal of Unmanned Undersea Systems. doi: 10.11993/j.issn.2096-3920.2024-0021

大尺度跨介质航行器高速倾斜入水冲击载荷特性研究

doi: 10.11993/j.issn.2096-3920.2024-0021
基金项目: 博士后科学基金项目资助(2023M730836); 国家自然科学基金项目资助(12102484); 国家自然科学基金青年基金项目资助(12102475).
详细信息
    作者简介:

    张彤运(2000-), 男, 在读硕士, 主要研究方向为跨介质航行器数值仿真研究

  • 中图分类号: TJ631; TJ391

Research on the load characteristics of large-scale trans-media vehicles with high-speed oblique water entry

  • 摘要: 为了研究大尺度跨介质航行器高速倾斜入水冲击载荷特性, 基于VOF多相流模型耦合S-DOF刚体运动模型构建了跨介质航行器高速倾斜入水三维非定常数值计算模型, 采用细长体高速入水自由运动试验数据对数值计算模型的计算精度进行了校核及验证, 对比研究了平头、锥头头型高速倾斜入水的冲击载荷特性。结果表明: 锥头头型入水的最大轴向、纵向冲击载荷发生的时间几乎同步, 而平头头型最大轴向冲击载荷相比纵向载荷发生的时间显著延迟; 对于最大冲击载荷, 平头头型的轴向冲击载荷大于其纵向冲击载荷, 而锥头头型的轴向、纵向冲击载荷几乎相同; 相较于平头头型, 锥头头型的轴向冲击载荷显著降低, 45°入水时, 其最大峰值约为平头头型的1/3。

     

  • 图  1  计算模型

    Figure  1.  Computational model

    图  2  计算域及边界条件

    Figure  2.  Compute domains and boundary conditions

    图  3  空泡形态(188 ms)

    Figure  3.  The shape of cavitation (188 ms)

    图  4  数值仿真与试验结果对比

    Figure  4.  Comparison of numerical simulation and experimental results

    图  5  平头航行器入水冲击载荷(10°入水角)

    Figure  5.  The shock load of a flat-headed vehicle entering the water (10° water entry angle)

    图  6  平头航行器入水空泡形态演变(10°入水角)

    Figure  6.  Evolution of the cavitation morphology of flat-headed vehicles entering the water (10° water entry angle)

    图  7  平头航行器入水冲击载荷(45°入水角)

    Figure  7.  The shock load of a flat-headed vehicle entering the water (45° water entry angle)

    图  9  轴向载荷

    Figure  9.  Axial load

    图  10  锥头航行器入水冲击载荷(45°入水角)

    Figure  10.  Cone head entry slam load (45° water entry angle)

    图  8  平头航行器入水空泡形态演变(45°入水角)

    Figure  8.  Evolution of the cavity shape of flat-headed vehicles entering the water (45° water entry angle)

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出版历程
  • 收稿日期:  2024-02-19
  • 修回日期:  2024-04-01
  • 录用日期:  2024-04-07
  • 网络出版日期:  2024-05-27

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