Abstract When aerodynamic braking works, the braking wings can change the flow field around the train, which may impact on the comfort and safety. Based on a sliding mesh , the pressure wave and flow field around high-speed trains with aerodynamic braking are analyzed. By comparing three typical intersection situations, the pressure wave of a high-speed train during braking (with or without aerodynamic braking) is studied. The analyses indicate that the pressure wave around the high-speed train body will change while using the aerodynamic braking, causing several pressure pulses on the surface of the crossing high-speed trains. The distances between the pressure pulses are equal to the longitudinal distances of the brake wings , but the magnitudes of the fluctuations are less than those induced by the head of crossing trains . During the crossing, a train without aerodynamic braking will not impact the crossing train.


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    Titel :

    Influence of Aerodynamic Braking on the Pressure Wave of a Crossing High-Speed Train


    Beteiligte:
    Wu, Meng-ling (Autor:in) / Zhu, Yang-yong (Autor:in) / Tian, Chun (Autor:in) / Fei, Wei-wei (Autor:in)


    Erscheinungsdatum :

    15.12.2017


    Format / Umfang :

    10 pages





    Medientyp :

    Aufsatz/Kapitel (Buch)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch




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