KCS船舶尾流感应电磁场仿真分析
U674.701%TJ630; 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....
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| Published in | 水下无人系统学报 Vol. 32; no. 5; pp. 818 - 832 |
|---|---|
| Main Authors | , , |
| Format | Journal Article |
| Language | Chinese |
| Published |
西安工业大学 基础学院,陕西 西安,710021
01.10.2024
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| Subjects | |
| Online Access | Get full text |
| ISSN | 2096-3920 |
| DOI | 10.11993/j.issn.2096-3920.2023-0101 |
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| Abstract | U674.701%TJ630; 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. |
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| AbstractList | U674.701%TJ630; 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. |
| Abstract_FL | In order to more systematically study the wake induced electromagnetic field caused during the navigation of the ship,based on the finite element method,the induced electromagnetic field generated by the wake motion of the Kriso container ship(KCS)was simulated by using magnetohydrodynamics,Maxwell equations,and other electromagnetic fields and fluid mechanics theories.The results show that the magnitude of KCS wake induced magnetic field has an obvious distribution law in the detectable range.The wake induced magnetic field has an extreme value in the direction of propagation,and its magnitude is related to the measurement position;the wake induced magnetic field increases with the distance to the extreme value and then gradually decreases along the propagation distance;the wake current density decreases along the propagation distance.The research in this paper can provide a reference for ocean electromagnetic exploration and ship tracking and positioning. |
| Author | 兰青 闫林波 任斌斌 |
| AuthorAffiliation | 西安工业大学 基础学院,陕西 西安,710021 |
| AuthorAffiliation_xml | – name: 西安工业大学 基础学院,陕西 西安,710021 |
| Author_FL | YAN Linbo LAN Qing REN Binbin |
| Author_FL_xml | – sequence: 1 fullname: LAN Qing – sequence: 2 fullname: YAN Linbo – sequence: 3 fullname: REN Binbin |
| Author_xml | – sequence: 1 fullname: 兰青 – sequence: 2 fullname: 闫林波 – sequence: 3 fullname: 任斌斌 |
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| Keywords | induced electromagnetic field finite element method 船舶尾流 ship wake 感应电磁场 磁流体力学 有限元法 magnetic fluid dynamics |
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| Title | KCS船舶尾流感应电磁场仿真分析 |
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