Volume 23 Issue 3
Jun.  2023
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LIU Hai-tao, WANG Wen-yu, ZHOU Xin, ZHANG Chang-liang, XIAO Qian. Review on aerodynamic noise analysis of high-speed train pantographs[J]. Journal of Traffic and Transportation Engineering, 2023, 23(3): 1-22. doi: 10.19818/j.cnki.1671-1637.2023.03.001
Citation: LIU Hai-tao, WANG Wen-yu, ZHOU Xin, ZHANG Chang-liang, XIAO Qian. Review on aerodynamic noise analysis of high-speed train pantographs[J]. Journal of Traffic and Transportation Engineering, 2023, 23(3): 1-22. doi: 10.19818/j.cnki.1671-1637.2023.03.001
shu

Review on aerodynamic noise analysis of high-speed train pantographs

doi: 10.19818/j.cnki.1671-1637.2023.03.001

  • School of Mechatronics and Vehicle Engineering, East China Jiaotong University, Nanchang 330013, Jiangxi, China

Funds:

National Natural Science Foundation of China 12104153

Training Plan for Academic and Technical Leaders of Major Disciplines in Jiangxi Province 20204BCJL23034

More Information
  • Author Bio:

    LIU Hai-tao(1986-), male, associate professor, PhD, 2860@ecjtu.edu.cn

  • Received Date: 2022-12-16
    Available Online: 2023-07-07
  • Publish Date: 2023-06-25
    Abstract
  • In order to deeply and comprehensively understand the research status of aerodynamic noise of high-speed train pantographs and elucidate its mechanisms and laws, the research on the aerodynamic noise in China and abroad in recent years was summarized. Its development histories in China, Japan, Germany, and France were outlined. The sources of aerodynamic noise of pantographs, the characteristics of radiated aerodynamic noise, and the research methods for the aerodynamic noise were analyzed. The generation mechanisms and suppression methods of the aerodynamic noise were explored, and the main achievements obtained in the current research were summarized. Analysis results indicate that, as an important current collection device on the top of the train, the pantograph consists of multiple rods, and it generates significant tonal noise in high-speed airflow and is one of the main sources of environmental noise pollution in high-speed trains. The main sources of aerodynamic noise of high-speed train pantographs are distributed on the windward sides of components such as the pantograph head, knuckle, insulators, and base frame. The methods for studying the aerodynamic noise of pantographs include actual train test, wind tunnel experiment, and numerical simulation. The addition of auxiliary devices, such as the wind deflector, jet flow, and plasma actuator, can effectively control the aerodynamic noise, but these methods increase the complexity of the system. According to the principle of bionics, modifying the surface microstructure of rods can significantly suppress the generation of turbulent vortices of pantographs, thus greatly reducing the aerodynamic noise. Optimizing the cross-sectional shape and spatial structure design of rods can reduce the generation of drag and turbulent vortices, thereby effectively controlling aerodynamic noise. So, various approaches can be employed to reduce the aerodynamic noise of pantographs. However, the feasibility of engineering implementation, the coupling relationship between aerodynamic noise and aerodynamic resistance, as well as the contact stability between the pantograph and catenary, still need to be further investigated.

     

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