Transactions of the Korean Society of Mechanical Engineers A (대한기계학회논문집A)

The Korean Society of Mechanical Engineers (대한기계학회)
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Measurement of Aerodynamic Loads on Railway Vehicles Under Crosswind

측풍 시 철도차량에 가해지는 공기역학적 하중의 측정

  • Kwon, Hyeok-Bin (Ultra High-speed Train Research Department, Korea Railroad Research Institute) ;
  • You, Won-Hee (Vehicle Dynamics and Propulsion System Research Department, Korea Railroad Research Institute) ;
  • Cho, Tae-Hwan (Aerodynamics & Structures Department, Korea Aerospace Research Institute)
  • 권혁빈 (한국철도기술연구원 초고속열차연구실) ;
  • 유원희 (한국철도기술연구원 주행추진연구실) ;
  • 조태환 (한국항공우주연구원 공력구조팀)
  • Received : 2010.06.17
  • Accepted : 2010.11.15
  • Published : 2011.01.01
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Abstract

In this study, we measure the aerodynamic forces acting on an AREX train in a crosswind by wind tunnel testing. A detailed test model scaled to 5% of the original and including the inter-car, under-body, and the bogie systems was developed. The aerodynamic forces on the train vehicles have been measured in a 4 m $\times$ 3 m test section of the subsonic wind tunnel located in Korea Aerospace Research Institute (KARI). The aerodynamic forces and moments of the train model on two different track models have been plotted for various yaw angles, and the characteristics of the aerodynamic coefficients have been analyzed at the experimental conditions.

측풍 시 AREX 열차에 가해지는 공기역학적 하중을 측정하기 위하여 풍동시험이 수행되었다. 5% 축소 시험 모델은 연결부, 하부 및 대차부 등을 포함하여 가능한한 자세하게 모델링되었다. 시험에 사용된 풍동은 폭 4m $\times$ 높이 3m 의 시험부를 가진 한국항공우주연구원(KARI)의 중형 아음속 풍동이다. 두 종류의 선로 모형에 놓여진 열차 모델에 가해지는 공기역학적 하중과 모멘트는 요각에 따라 도시되었으며, 실험 조건에 따른 공력 계수의 특성이 분석되었다.

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References

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Cited by

  1. Effect of wind gusts on the dynamics of railway vehicles running on a curved track pp.2041-3017, 2017, https://doi.org/10.1177/0954409717708924