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Experimental investigation on vibration behaviour of a CRH train at speed of 350 km/h

Author

Listed:
  • Wanming Zhai
  • Pengfei Liu
  • Jianhui Lin
  • Kaiyun Wang

Abstract

The objective of the article is to investigate the vibration characteristic and the long-term service performance of a China Railway High-speed (CRH) train at operation speed of 350 km/h through on-track field tests. The article first introduces the test method and system as well as the field conditions including the main parameters of the test train and track. A CRH electric multiple unit (EMU), called the CRH2C, is chosen for the experiment. A duration test lasting for about 2 months is carried out to acquire the data of vehicle vibration acceleration and the wheel profile wear. Based on the test data, the article presents the vibration behaviours of car body, bogie frame and axle box as well as the lateral hunting stability of the train operating at speed of 350 km/h, and the evolution of the train dynamic performance under long-term operation condition. Results show that the vibration accelerations of vehicle components are in a low level when the train runs on a non-ballasted track at the speed of 350 km/h, indicating that both the ride comfort and the running stability are acceptable. Through wheel re-profiling, it is possible to effectively reduce the vibrations of the axle box, the bogie frame and the car body, and thus the train dynamic performance can be kept in an excellent condition in a long period.

Suggested Citation

  • Wanming Zhai & Pengfei Liu & Jianhui Lin & Kaiyun Wang, 2015. "Experimental investigation on vibration behaviour of a CRH train at speed of 350 km/h," International Journal of Rail Transportation, Taylor & Francis Journals, vol. 3(1), pages 1-16, February.
    • Handle: RePEc:taf:tjrtxx:v:3:y:2015:i:1:p:1-16
    DOI: 10.1080/23248378.2014.992819
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    References listed on IDEAS

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    1. Wanming Zhai & Shaolin Wang & Nan Zhang & Mangmang Gao & He Xia & Chengbiao Cai & Chunfa Zhao, 2013. "High-speed train-track-bridge dynamic interactions - Part II: experimental validation and engineering application," International Journal of Rail Transportation, Taylor & Francis Journals, vol. 1(1-2), pages 25-41, June.
    2. Livio Gasparetto & Stefano Alfi & Stefano Bruni, 2013. "Data-driven condition-based monitoring of high-speed railway bogies," International Journal of Rail Transportation, Taylor & Francis Journals, vol. 1(1-2), pages 42-56, June.
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    Cited by:

    1. Zhang, Bin & Zhou, Hanxiao & Zhao, Xiaolei & Gao, Jun & Zhou, Shengxi, 2023. "Design and experimental analysis of a piezoelectric energy harvester based on stacked piezoceramic for nonharmonic excitations," Energy, Elsevier, vol. 282(C).

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