Changing topography will affect wind speed variations along railway lines in local areas. When the distance from one wind speed abrupt change location to other is narrow, a continuous variation in wind speed will occur. However, few studies have focused on this topic. In this study, a continuous wind speed variation model is developed based on measured wind speed curves, the interval time of continuous wind speed changes, the wind speed amplitude variation, the wind speed change rate and peak wind speed duration on the train dynamics are investigated. The results show that continuous wind speed variations have a significant impact on the overturning safety of trains compared to a single wind speed change. When the interval time between two adjacent wind speed changes is less than 6 s, it is necessary to consider the influence of continuous wind speed variations. In addition, the influence of the wind speed amplitude changes on train overturning safety is much greater than other factors.


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    Titel :

    The effect of continuously varying wind speed on high-speed train overturning safety


    Beteiligte:
    Liu, Dongrun (Autor:in) / Li, Tian (Autor:in) / Tao, Yu (Autor:in) / Wang, Zhongang (Autor:in) / Zhong, Mu (Autor:in) / Lu, Zhaijun (Autor:in)


    Erscheinungsdatum :

    01.07.2021


    Format / Umfang :

    13 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch




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