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  1. Article

    Open Access

    Flow and sound fields of scaled high-speed trains with different coach numbers running in long tunnel

    Segregated incompressible large eddy simulation and acoustic perturbation equations were used to obtain the flow field and sound field of 1:25 scale trains with three, six and eight coaches in a long tunnel, a...

    Qiliang Li, Yuqing Sun, Menghan Ouyang, Zhigang Yang in Railway Engineering Science (2024)

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  2. No Access

    Chapter and Conference Paper

    Wind Tunnel Tests on Aerodynamic Noise from the Head Car of a High-speed Train

    Characteristics of aerodynamic noise is always difficult to extract by both experimental and numerical methods. Based on the aero-acoustic wind tunnel test results of a 1:8 scale high-speed trains model with t...

    Hai Deng, Yigang Wang, Qiliang Li, Zhe Shen… in Green Connected Automated Transportation a… (2022)

  3. No Access

    Article

    Target Detection, Positioning and Tracking Using New UAV Gas Sensor Systems: Simulation and Analysis

    The wilderness search and rescue (WiSAR) for lost persons or objects in remote wilderness areas is very challenging as these areas are almost inaccessible and the targets are concealed by the surrounding envir...

    Haiwen Yuan, Changshi **ao, Wenqiang Zhan… in Journal of Intelligent & Robotic Systems (2019)

  4. No Access

    Article

    POD analysis of the wake behind a circular cylinder coated with porous media

    The wake of a circular cylinder coated with porous media was experimentally investigated by hot-wire anemometry, particle image velocimetry (PIV) and smoke-wire visualization. Mean velocity and Reynolds stress...

    Chao **a, Zheng Wei, Haidong Yuan, Qiliang Li, Zhigang Yang in Journal of Visualization (2018)