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水下无人航行器具有机动性强的特点，可与传统地球物理方法融合以实现基于运动平台的高效探测。然而，运动航行器的尾部会持续产生较大范围的水动力尾流感应电磁扰动。本文从多物理场耦合的角度，系统研究了水下航行器的尾流感应电磁场分布特性，基于电磁场理论和流体动力学方程，建立了涵盖电磁场、流场的耦合模型，采用数值仿真方法对不同运动条件下的电磁扰动特性进行了分析。研究结果表明，航行器尾部会产生不可忽略的尾流感应电磁场，且航行器航行的速度会显著影响其尾流区感应电磁场强度分布情况。该研究对水下航行器降噪具有重要意义，为搭载拖曳式探测平台设计提供重要研究基础。
Abstract：Unmanned underwater vehicles(UUVs) are characterized by high maneuverability and can be integrated with traditional geophysical methods to achieve efficient detection based on moving platforms. However, the moving vehicle continuously generates hydrodynamic wake-induced electromagnetic disturbances over a considerable area behind it. We systematically study the distribution characteristics of the electromagnetic field in the wake of an underwater vehicle from the perspective of multi-physics field coupling. Based on electromagnetic field theory and fluid dynamics equations, a coupled model encompassing both electromagnetic and flow fields is established. Numerical simulations are employed to analyze the characteristics of electromagnetic disturbances under different motion conditions. The results indicate that non-negligible wake-induced electromagnetic fields are generated behind the vehicle, and the velocity significantly influences the intensity distribution of the induced electromagnetic fields in the wake region. This holds important implications for noise reduction in underwater vehicles and provides a crucial research foundation for the design of towed detection platforms.
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基本信息:
DOI：10.16441/j.cnki.hdxb.20250040
中图分类号:U674.941
引用信息:
[1]裴建新,王志,闫建峰,等.水下无人航行器尾流感应电磁场模拟及影响因素分析[J].中国海洋大学学报(自然科学版),2026,56(02):153-162.DOI:10.16441/j.cnki.hdxb.20250040.
基金信息:
国家自然科学基金项目(U2241201); 山东省重点研究发展计划项目(2020CXGC00706)资助~~
2026-02-02
2026-02-02