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ZJUS-A
Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering)  2014, Vol. 15 Issue (12): 1002-1018    DOI: 10.1631/jzus.A1400233
Articles     
Influence of wheel polygonal wear on interior noise of high-speed trains
Jie Zhang, Guang-xu Han, Xin-biao Xiao, Rui-qian Wang, Yue Zhao, Xue-song Jin
State Key Laboratory of Traction Power, Southwest Jiaotong University, Chengdu 610031, China; School of Urban Rail Transit, Changzhou University, Changzhou 213164, China
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Abstract  This work presents a detailed investigation conducted into the relationships between wheel polygonal wear and wheel/rail noise, and the interior noise of high-speed trains through extensive experiments and numerical simulations. The field experiments include roundness measurement and characteristics analysis of the high-speed wheels in service, and analysis on the effect of re-profiling on the interior noise of the high-speed coach. The experimental analysis shows that wheel polygonal wear has a great impact on wheel/rail noise and interior noise. In the numerical simulation, the model of high-speed wheel/rail noise caused by the uneven wheel wear is developed by means of the high-speed wheel-track noise software (HWTNS). The calculation model of the interior noise of a high-speed coach is developed based on the hybrid of the finite element method and the statistic energy analysis (FE-SEA). The numerical simulation analyses the effect of the polygonal wear characteristics, such as roughness level, polygon order (or wavelength), and polygon phase, on wheel/rail noise and interior noise of a high-speed coach. The numerical results show that different polygon order with nearly the same roughness levels can cause different wheel/rail noises and interior noises. The polygon with a higher roughness level can cause a larger wheel/rail noise and a larger interior noise. The combination of different polygon phases can make a different wheel circle diameter difference due to wear, but its effect on the interior noise level is not great. This study can provide a basis for improving the criteria for high-speed wheel re-profiling of China’s high-speed trains.

Key words： High-speed train      Wheel polygonal wear      Wheel re-profiling      Interior noise      Wheel/rail noise      Hybrid finite element method and the statistic energy analysis (FE-SEA)     
Received: 27 July 2014      Published: 04 December 2014
CLC:  U270.1+6  
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Jie Zhang
Rui-qian Wang
Guang-xu Han
Xin-biao Xiao
Yue Zhao
Xue-song Jin
Cite this article:

Jie Zhang, Guang-xu Han, Xin-biao Xiao, Rui-qian Wang, Yue Zhao, Xue-song Jin. Influence of wheel polygonal wear on interior noise of high-speed trains. Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering), 2014, 15(12): 1002-1018.

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http://www.zjujournals.com/xueshu/zjus-a/10.1631/jzus.A1400233     OR     http://www.zjujournals.com/xueshu/zjus-a/Y2014/V15/I12/1002

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