This study was primarily focused on mitigating high-order polygonal wear (PW) in China's high-speed trains. To achieve this, a fast PW trend analysis strategy and a long-term PW iterative simulation were developed. The rail localized bending modes(RLBM) were identified as critical factors influencing the amplitude-frequency and phase-frequency properties of the wheel/rail force response, which in turn contributed to the occurrence of high-order PW. It was found that the phase lag of the wheel/rail force response relative to wheel excitation played a significant role in determining the growth trend of PW. Therefore, the design of a rail-tuned dynamic vibration absorber (DVA) was crucial to manipulate the phase lag and force it out of the positive growth region, specifically between 90° and 270°. Detailed simulations found that a rail DVA with a tuned frequency of 450 Hz effectively slowed down the development of the 20th order PW (578 Hz). This research provides valuable insights into the design principles for rail DVAs aimed at mitigating periodic wear between the wheel and rail.


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    Title :

    Phase-Based Mitigation Method of High-Order Wheel Polygonal Wear


    Additional title:

    Lect.Notes Mechanical Engineering


    Contributors:
    Huang, Wei (editor) / Ahmadian, Mehdi (editor) / Cai, Wubin (author) / Chi, Maoru (author) / Wu, Xingwen (author) / Liang, Shulin (author)

    Conference:

    The IAVSD International Symposium on Dynamics of Vehicles on Roads and Tracks ; 2023 ; Ottawa, ON, Canada August 21, 2023 - August 25, 2023



    Publication date :

    2024-11-01


    Size :

    9 pages





    Type of media :

    Article/Chapter (Book)


    Type of material :

    Electronic Resource


    Language :

    English




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