Noise Prediction of Traction Gear of High-Speed EMU Base on Acoustic-Structural Coupled Method. Issue 1 (February 2020)

• Record Type: Journal Article
• Authors: Tang, Zhaoping; Wang, Min; Wu, Yi; Zhao, Min; Zheng, Xianliang
• Is Part Of: IOP conference series. Volume 772:Issue 1(2020)
• Publication Date: 2020-02
• Subjects: traction gear of EMU -- dynamic characteristics -- acoustic BEM -- noise prediction; Materials science -- Periodicals; 620.1105
• DOI: 10.1088/1757-899X/772/1/012094
• Languages: English
• ISSNs: 1757-8981

Abstract

Abstract: The dynamic characteristics of traction gear transmission system have great influence on the safety, comfort and reliability of EMU. Base on acoustic-structural coupled theory, the noise radiation characteristics of gear transmission system in high-speed train CRH380A are studied by finite element-boundary element method. The acoustic radiation analysis model is built by using acoustic BEM. The radiated noise is predicted by Helmholtz boundary integral equation. The research results can provide a theoretical basis for the optimization design of the low noise gear in EMU.