Wind Tunnel Testing on Crosswind Aerodynamic Forces Acting on Railway Vehicles

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概要

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• This study is devoted to measure the aerodynamic forces acting on two railway trains, one of which is a high-speed train at 300km/h maximum operation speed, and the other is a conventional train at the operating speed 100km/h. The three-dimensional train shapes have been modeled as detailed as possible including the inter-car, the upper cavity for pantograph, and the bogie systems. The aerodynamic forces on each vehicle of the trains have been measured in the subsonic wind tunnel with 4m×3m test section of Korea Aerospace Research Institute at Daejeon, Korea. The aerodynamic forces and moments of the train models have been plotted for various yaw angles and the characteristics of the aerodynamic coefficients has been discussed relating to the experimental conditions.

著者

• KWON Hyeok-bin

  Ultra High-speed Train Research Department, Korea Railroad Research Institute

• NAM Seong-won

  Railroad Environment Research Department, Korea Railroad Research Institute

関連論文

• Wind Tunnel Testing on Crosswind Aerodynamic Forces Acting on Railway Vehicles

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