Wind tunnel experiment of aerodynamic noise  in bogie section of high-speed trains

CHEN Yu; LIU Jianan; YANG Zhigang; MAO Mao; WANG Yigang

doi:10.7638/kqdlxxb-2021.0173

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Wind tunnel experiment of aerodynamic noise in bogie section of high-speed trains

更新时间：2026-05-28

- Wind tunnel experiment of aerodynamic noise in bogie section of high-speed trains
- Vol. 39, Issue 5, Pages: 111-119(2021)
- 作者机构：
  
  1. 同济大学上海地面交通工具风洞中心,上海,201804
  2. 同济大学上海市地面交通工具空气动力学与热环境模拟重点试验室,上海,201804
  3. 北京民用飞机技术研究中心,北京,102211
- 作者简介：
- 基金信息：
- DOI：10.7638/kqdlxxb-2021.0173
  CLC： U292.91
- Published：2021
- 稿件说明：
移动端阅览
陈羽, 刘嘉楠, 杨志刚, 等. 高速列车转向架区域气动噪声风洞实验研究[J]. 空气动力学学报, 2021, 39(5): 111−119.

CHEN Yu, LIU Jianan, YANG Zhigang, et al. Wind tunnel experiment of aerodynamic noise in bogie section of high-speed trains[J]. 2021, 39(5): 111-119.
陈羽, 刘嘉楠, 杨志刚, 等. 高速列车转向架区域气动噪声风洞实验研究[J]. 空气动力学学报, 2021, 39(5): 111−119. DOI： 10.7638/kqdlxxb-2021.0173

CHEN Yu, LIU Jianan, YANG Zhigang, et al. Wind tunnel experiment of aerodynamic noise in bogie section of high-speed trains[J]. 2021, 39(5): 111-119. DOI： 10.7638/kqdlxxb-2021.0173.

摘要

转向架区域是高速列车最主要的气动噪声源。通过风洞试验的方法，测量了1∶20转向架区域的舱内气动噪声和压力，分析了动车转向架、拖车转向架舱内气动噪声和脉动压力的速度标度律，及其随雷诺数的变化规律。结果表明：近场气动噪声标度律分析可以区分转向架舱内湍流脉动压力和声压，舱内湍流脉动压力能量随速度的3.2～3.9次方增加，声压级随速度的6～8次方增加，两者的分界线频率，转向架舱后壁高于舱顶部。气动噪声为具有多个峰值的宽频带噪声，频率不随雷诺数变化的峰值噪声由声共振导致，频率随雷诺数增加而增大的峰值噪声为气流冲击轮对下部导致。转向架区域的气动噪声的峰值频率与转向架舱、轮对尺寸有关，宽频带噪声受转向架形式影响。该研究结果可为理解转向架区域气动噪声源特性及降噪控制提供理论和数据支撑。

Abstract

The bogie section is a dominant aerodynamic noise source of high-speed trains. Using wind tunnel experiments

the aerodynamic noise and pressure inside the cavity of a 1∶20 bogie section are measured. The scaling law of aerodynamic noise and pressure fluctuation in the motor bogie (MB) and trailer bogie (TB) cavities and their dependence on the Reynolds number are analyzed. The results show that turbulent pressure fluctuation and sound pressure can be distinguished by the scaling law analysis of the near-field aerodynamic noise in the bogie sections

i.e.

the turbulent pressure fluctuation power in the cabin increases with the 3.2-3.9 power of the velocity

while the sound pressure level increases with the 6-8 power of the velocity. The cutoff frequency on the back wall of the bogie section is higher than that on the top wall. The aerodynamic noise has a broadband frequency spectrum with multiple peaks

which are generated by the acoustic resonance and do not vary with the Reynolds number. The tonal noise whose frequency increases with the increase of the Reynolds number

is generated by the airflow impinging on the lower part of the wheelset. The peak frequencies of aerodynamic tonal noise in the bogie area are related to the dimension of the bogie cavity and the wheelset

while the broadband noise level can be affected by the form of the bogie. The results provide theory and data support for a deep understanding of the aerodynamic noise sources and the noise reduction control inside the bogie section.

关键词

Keywords

references

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