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KCS船舶尾流感应电磁场仿真分析

兰青 闫林波 任斌斌

兰青, 闫林波, 任斌斌. KCS船舶尾流感应电磁场仿真分析[J]. 水下无人系统学报, 2024, 32(5): 818-822 doi: 10.11993/j.issn.2096-3920.2023-0101
引用本文: 兰青, 闫林波, 任斌斌. KCS船舶尾流感应电磁场仿真分析[J]. 水下无人系统学报, 2024, 32(5): 818-822 doi: 10.11993/j.issn.2096-3920.2023-0101
LAN Qing, YAN Linbo, REN Binbin. Simulation Analysis of KCS Wake Induced Electromagnetic Field[J]. Journal of Unmanned Undersea Systems, 2024, 32(5): 818-822, 832. doi: 10.11993/j.issn.2096-3920.2023-0101
Citation: LAN Qing, YAN Linbo, REN Binbin. Simulation Analysis of KCS Wake Induced Electromagnetic Field[J]. Journal of Unmanned Undersea Systems, 2024, 32(5): 818-822, 832. doi: 10.11993/j.issn.2096-3920.2023-0101

KCS船舶尾流感应电磁场仿真分析

doi: 10.11993/j.issn.2096-3920.2023-0101
基金项目: 陕西省重点研发计划(2023-YBGY-016); 西安市未央区科技计划(201843).
详细信息
    作者简介:

    兰青:兰 青(1989-), 男, 硕士, 主要研究方向为水下信息光学及电磁学探测

  • 中图分类号: U674.701; TJ630

Simulation Analysis of KCS Wake Induced Electromagnetic Field

  • 摘要: 为了更系统地研究船舶在航行过程中引起的尾流感应电磁场, 文中以有限元法为基础, 利用磁流体力学、麦克斯韦方程组等电磁场和流体力学理论, 对KCS船舶尾流运动产生的感应电磁场进行仿真分析。结果表明: KCS船舶尾流感应磁场量级在可探测范围内有明显的分布规律; 尾流感应磁场在传播方向上存在极值, 其大小与测量位置相关; 尾流感应磁场先随距离增大到极值, 再沿传播距离方向逐渐衰减; 尾流电流密度沿传播距离方向逐渐衰减。文中的研究可为海洋电磁探测及船舶跟踪和定位等研究提供参考。

     

  • 图  1  KCS集装箱船几何模型

    Figure  1.  Geometric mode of the KCS container ship

    图  2  船体坐标系示意图

    Figure  2.  The hull coordinate system

    图  3  计算域网格划分

    Figure  3.  Meshing of the calculation domain

    图  4  测量点(z=−0.1Lpp)处磁场强度和磁场分量沿x方向传播曲线

    Figure  4.  Transmission curves of magnetic field strength and magnetic field components along x-axis at the measuring point(z=−0.1Lpp)

    图  5  海平面处磁场强度和磁场分量沿x方向传播曲线

    Figure  5.  Transmission curves of magnetic field strength and magnetic field components along x-axis at the sea level

    图  6  不同测量点处磁场强度沿yz方向传播曲线

    Figure  6.  Transmission curves of magnetic field strength along y-axis and z-axis at different measurement points

    图  7  不同测量点处电流密度沿不同方向的变化曲线

    Figure  7.  Change curves of current density along the different directions at different measurement points

    表  1  KCS集装箱船主要参数

    Table  1.   Main parameters of the KCS container ship

    参数实船船模
    船长Lpp/$ {\text{m}} $230.07.278 6
    型宽W/m32.21.019 0
    型深D/m19.00.601 3
    设计吃水深度d/m10.80.341 8
    湿表面积S/m29 4249.437 9
    方形系数Cb0.650 50.650 5
    设计状态Frd0.2600.260 0
    设计航速v/(m/s)12.345 62.196 2
    下载: 导出CSV
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出版历程
  • 收稿日期:  2023-08-29
  • 修回日期:  2023-09-28
  • 录用日期:  2023-10-10
  • 网络出版日期:  2024-08-13

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