不同尾流下斑海豹胡须涡激振动特性

山龙祥; 李轲; 郭承鹏; 张扬

doi:10.7638/kqdlxxb-2024.0032

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不同尾流下斑海豹胡须涡激振动特性

研究论文 | 更新时间：2026-05-28

- 不同尾流下斑海豹胡须涡激振动特性
- Vortex-induced vibration characteristics of harbor seal whisker under different wakes
- 空气动力学学报 2024年42卷第12期页码：55-63
- 作者机构：
  
  1. 南京航空航天大学航天学院,南京,210016
  2. 中国航空工业空气动力研究院,沈阳,110034
- 作者简介：
  
  山龙祥（2000—），男，陕西西安人，硕士研究生，研究方向：流固耦合、仿生流动分析. E-mail：1837565004@qq.com
  张扬*，男，副研究员，研究方向：流固耦合. E-mail：zhy@nuaa.edu.cn
- 基金信息：
  
  中央高校基本科研业务费（NZ2024039）;航空工业气动院重点实验室基金（YL2022XFX0409）
- DOI：10.7638/kqdlxxb-2024.0032
  中图分类号： O35
- 纸质出版：2024
- 稿件说明：
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山龙祥, 李轲, 郭承鹏, 等. 不同尾流下斑海豹胡须涡激振动特性[J]. 空气动力学学报, 2024, 42(12): 55−63.

SHAN Longxiang, LI Ke, GUO Chengpeng, et al. Vortex-induced vibration characteristics of harbor seal whisker under different wakes[J]. 2024, 42(12): 55-63.
山龙祥, 李轲, 郭承鹏, 等. 不同尾流下斑海豹胡须涡激振动特性[J]. 空气动力学学报, 2024, 42(12): 55−63. DOI： 10.7638/kqdlxxb-2024.0032

SHAN Longxiang, LI Ke, GUO Chengpeng, et al. Vortex-induced vibration characteristics of harbor seal whisker under different wakes[J]. 2024, 42(12): 55-63. DOI： 10.7638/kqdlxxb-2024.0032.

摘要

为了研究斑海豹胡须系统灵敏感知识别物体尾流的能力，对胡须在不同尾流中的水动力特性进行分析：首先基于斑海豹胡须的通用几何外形参数方程，构建了类似真实胡须的几何模型，随后在雷诺数

=300条件下对圆柱、方柱以及菱形柱尾流下胡须的涡激振动进行数值模拟，研究了胡须模型的振动特性和流场结构，对比分析了不同尾流下胡须的动力学响应。数值结果表明，不同尾流下胡须横流向振动主频均能与上游物体涡脱落频率保持一致，同时柱间流动模式以及相关振动统计参数存在明显差异，揭示了斑海豹胡须根据不同尾流感知识别物体的机理。

Abstract

In order to study the ability of the harbor seal whisker system to precisely perceive and identify the wakes of objects

the hydrodynamic characteristics of the whisker in the wake of different objects are analyzed: in this paper

a geometric model of seal whisker was developed based on a general geometric shape parameter equation. Subsequently

numerical simulations were conducted for the whisker model exposed to the wakes of cylindrical

square

and diamond-shaped objects at a Reynolds number of 300. The vortex-induced vibration characteristics of the whisker model and the associated flow field structures are studied in depth

focusing on the dynamic responses of the model under different wakes. The results demonstrate that the primary frequency of the cross-flow vibration of the whisker model is consistent with the vortex shedding frequency of the upstream obstacle

irrespective of the wake type. Furthermore

there are notable disparities among different wakes regarding the flow patterns between the upstream object and the downstream whisker model and the vibration features of the latter

underscoring the intricate mechanism of the harbor seal whisker to perceive and identify objects according to different wake properties.

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references

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