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WANG Kai-yun, SI Dao-lin, CHEN Zhong-hua. Wheel-rail dynamic interaction characteristic on high-speed railway[J]. Journal of Traffic and Transportation Engineering, 2008, 8(5): 15-18.
Citation: WANG Kai-yun, SI Dao-lin, CHEN Zhong-hua. Wheel-rail dynamic interaction characteristic on high-speed railway[J]. Journal of Traffic and Transportation Engineering, 2008, 8(5): 15-18.
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Wheel-rail dynamic interaction characteristic on high-speed railway

  • Traction Power State Key Laboratory, Southwest Jiaotong University, Chengdu 610031, Sichuan, China

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  • Author Bio:

    WANG Kai-yun (1974-), male, associate researcher, +86-28-87600773, kywang@home.swjtu.edu.cn

  • Received Date: 2008-04-21
  • Publish Date: 2008-10-25
    Abstract
  • In order to reveal the wheel-rail dynamic interaction characteristic on high-speed railway, wheel-rail geometric relationship and the random vibration properties of running safety and comfort were carried out by using vehicle-track coupled dynamics theory, and wheel-rail vibration was taken into account.Analysis result shows that there is obvious characteristic of wheel-rail contact geometric relationship when a train passes though curved track at high speed.At the speeds ranging from 160 to 300 km·h-1, the sensitive wavelengths of rate of wheel load reduction and car body vibration acceleration are respectively in the scopes from 1.0 to 2.5 m and from 40 to 50 m.So it is benefit to improve the running safety and comfort of high-speed train while controlling the irregularity with the sensitive wavelengthes.

     

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