Integrated optimization method of vibration and sound radiation for urban rail wheel structure

WEN Yong-peng; LIU Yue-jie; ZHOU Yue; SHENG Xiao-zhen

doi:10.19818/j.cnki.1671-1637.2023.03.010

Volume 23 Issue 3

Jun. 2023

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Article Navigation > Journal of Traffic and Transportation Engineering > 2023 > 23(3): 137-147

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WEN Yong-peng, LIU Yue-jie, ZHOU Yue, SHENG Xiao-zhen. Integrated optimization method of vibration and sound radiation for urban rail wheel structure[J]. Journal of Traffic and Transportation Engineering, 2023, 23(3): 137-147. doi: 10.19818/j.cnki.1671-1637.2023.03.010

Citation:

WEN Yong-peng, LIU Yue-jie, ZHOU Yue, SHENG Xiao-zhen. Integrated optimization method of vibration and sound radiation for urban rail wheel structure[J]. Journal of Traffic and Transportation Engineering, 2023, 23(3): 137-147. doi: 10.19818/j.cnki.1671-1637.2023.03.010

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Integrated optimization method of vibration and sound radiation for urban rail wheel structure

doi: 10.19818/j.cnki.1671-1637.2023.03.010

WEN Yong-peng^{1, 2, 3
,},
LIU Yue-jie^{1, 3},
ZHOU Yue^{1, 3},
SHENG Xiao-zhen^{1, 2, 3}

1.
School of Urban Railway Transportation, Shanghai University of Engineering Science, Shanghai 201620, China
2.
State Key Laboratory of Rail Transit Vehicle System, Southwest Jiaotong University, Chengdu 610031, Sichuan, China
3.
Shanghai Engineering Research Centre for Vibration and Noise Control Technologies in Railway Transportation, Shanghai University of Engineering Science, Shanghai 201620, China

Funds:

National Natural Science Foundation of China 52272352

Open Project Program of State Key Laboratory of Rail Transit Vehicle System, Southwest Jiaotong University TPL2103

Open Project of Shanghai Key Laboratory of Rail Infrastructure Durability and System Safety R202204

Natural Science Foundation of Shanghai 15ZR1419200

More Information

Author Bio:
WEN Yong-peng(1979-), male, associate professor, PhD, yp_wen@163.com
Received Date: 2023-01-06
Available Online: 2023-07-07
Publish Date: 2023-06-25

Abstract

Abstract

To reduce the wheel structure noise of urban rail vehicles, the double S-shaped spoke wheel in service was taken as the research object to build an optimization model of urban rail wheel structure noise considering the integration of vibration and sound radiation. A new noise reduction wheel profile with unequal thickness spokes from top to bottom was obtained, and an integrated optimization method of wheel structure vibration and sound radiation which took the rail wheel spoke area as the design area was proposed. The entire wheel spoke area was identified as the design domain, and the coding rules, selection rules, crossover rules, and variation rules were identified respectively. The optimization objective function of vibration and sound radiation converged gradually to evolve into a better noise reduction wheel profile. The vibration and sound radiation optimization design of the wheel was realized. The static strength, fatigue strength, and vibration sound radiation performance of the optimized wheel were calculated by the mature finite element tool, which further verified the effectiveness and reliability of the new structure noise optimization results of the double S-shaped spoke wheel. Research results show that the integrated optimization method of wheel structure vibration and sound radiation is suitable for the structural profile optimization of noise reduction wheels. The peak sound power level of the optimized wheel is 4.26 dB(A) lower than that of the original double S-shaped spoke wheel, and the noise reduction effect is obvious at sound power level peaks in the frequency range of 0-5 000 Hz. From the perspective of the structural characteristics of the spokes, the spokes of the optimized double S-shaped spoke wheel evolve from the basic equal-thickness spokes to unequal-thickness ones. The unequal-thickness characteristics of the wheel spokes are conducive to reducing the sound radiation of the wheel. Therefore, considering the economic and noise reduction performance of the wheel, it is suggested to take the profile wheel with unequal-thickness spokes as the noise reduction model of the wheel.
- urban rail vehicle,
- wheel,
- noise,
- structure optimization,
- sound radiation,
- wheel profile

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References(30)

References

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Integrated optimization method of vibration and sound radiation for urban rail wheel structure

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