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LES Study on the Embankment Height Effect on the Aerodynamic Characteristics of a Generic High-Speed Train

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Iranian Journal of Science and Technology, Transactions of Mechanical Engineering Aims and scope Submit manuscript

Abstract

One of the most critical issues in railway industries is the influence of transverse winds, and when trains are at heights such as embankments, this problem becomes much more critical and concerning. In this research, the authors would argue the aerodynamic visions of a generic high-speed train that runs embankments of varying heights. The train's aerodynamic coefficients, pressure contours, and velocity streamlines were obtained using a numerical code based on large eddy simulation modeling. The high embankment is thought to have a direct impact on the changes in these aerodynamic coefficients. For example, raising the embankment height to 10 m results in a 300 percent increase and a 50 percent decrease in the side and lift force coefficients, respectively, compared to the flat ground scenario.

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Authors and Affiliations

  1. Department of Mechanical Engineering, Central Tehran Branch, Islamic Azad University, Tehran, Iran

    Alireza Hajipour, Arash Mirabdolah Lavasani & Mohammad Eftekhari Yazdi

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  1. Alireza Hajipour
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  2. Arash Mirabdolah Lavasani
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  3. Mohammad Eftekhari Yazdi
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Correspondence to Arash Mirabdolah Lavasani.

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Hajipour, A., Lavasani, A.M. & Yazdi, M.E. LES Study on the Embankment Height Effect on the Aerodynamic Characteristics of a Generic High-Speed Train. Iran J Sci Technol Trans Mech Eng 47, 829–839 (2023). https://doi.org/10.1007/s40997-022-00554-5

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  • DOI: https://doi.org/10.1007/s40997-022-00554-5

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