Full Text:   <654>

Summary:  <194>

CLC number: TH161.12

On-line Access: 2017-08-04

Received: 2016-10-21

Revision Accepted: 2017-06-05

Crosschecked: 2017-07-12

Cited: 0

Clicked: 1433

Citations:  Bibtex RefMan EndNote GB/T7714

 ORCID:

Gong-quan Tao

http://orcid.org/0000-0002-1836-2363

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Journal of Zhejiang University SCIENCE A 2017 Vol.18 No.8 P.603-616

10.1631/jzus.A1600693


Development and validation of a model for predicting wheel wear in high-speed trains


Author(s):  Gong-quan Tao, Xing Du, He-ji Zhang, Ze-feng Wen, Xue-song Jin, Da-bin Cui

Affiliation(s):  State Key Laboratory of Traction Power, Southwest Jiaotong University, Chengdu 610031, China; more

Corresponding email(s):   zfwen@home.swjtu.edu.cn

Key Words:  High-speed train, Wheel profile, Wheel/Rail contact, Wheel wear prediction


Gong-quan Tao, Xing Du, He-ji Zhang, Ze-feng Wen, Xue-song Jin, Da-bin Cui. Development and validation of a model for predicting wheel wear in high-speed trains[J]. Journal of Zhejiang University Science A, 2017, 18(8): 603-616.

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doi="10.1631/jzus.A1600693"
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Abstract: 
In this paper, we present a comprehensive model for the prediction of the evolution of high-speed train wheel profiles due to wear. The model consists of four modules: a multi-body model implemented with the commercial multi-body software SIMPACK to evaluate the dynamic response of the vehicle and track; a local contact model based on Hertzian theory and a novel method, named FaStrip (Sichani et al., 2016), to calculate the normal and tangential forces, respectively; a wear model proposed by the University of Sheffield (known as the USFD wear function) to estimate the amount of material removed and its distribution along the wheel profile; and a smoothing and updating strategy. A simulation of the wheel wear of the high-speed train CRH3 in service on the Wuhan-Guangzhou railway line was performed. A virtual railway line based on the statistics of the line was used to represent the entire real track. The model was validated using the wheel wear data of the CRH3 operating on the Wuhan-Guangzhou line, monitored by the authors’ research group. The results of the predictions and measurements were in good agreement.

The paper presents a model for the prediction of wheel wear in high-speed trains and comparisons with experimental measurements. The model itself is not new, apart from using a different (and already published) method for solving local contact compared to other models having the same purpose and already published. However, the comparison with experimental data is interesting.

高速列车车轮磨耗预测模型的发展及验证

目的:高速列车车轮磨耗过程非常复杂,涉及因素较多。本文旨在发展及验证一个高速列车车轮磨耗预测模型,对高速铁路轮轨型面设计、车辆悬挂参数设计、车轮镟修计划的制订及降低运营维护成本等具有非常重要的意义。
创新点:1. 建立一个包含车辆轨道动力学仿真、轮轨局部接触求解、车轮磨耗计算和型面平滑与更新策略的高速列车车轮磨耗预测模型;2. 利用跟踪测试的高速列车车轮磨耗结果对预测模型进行验证;3. 修正USFD磨耗函数,使得预测结果与实测结果更为吻合。
方法:1. 在SIMPACK多体动力学软件中建立CRH3型动车组拖车的动力学模型,对武广高铁的实际线路进行统计,采用统计的虚拟线路代替实际线路;2. 利用FaStrip进行轮轨局部接触求解;3. 采用修正后的USFD磨耗函数进行车轮磨耗计算;4. 利用现场实测数据验证模型的可靠性。
结论:轮轨界面状态对车轮磨耗具有较大的影响;直接采用已有的磨耗模型进行车轮磨耗预测可能会导致一定的偏差,需要对其进行适当的修正才能获得较好的预测结果。

关键词:高速列车;车轮型面;轮轨接触;车轮磨耗预测

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article

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