Transactions of the Korean Society for Noise and Vibration Engineering (한국소음진동공학회논문집)

The Korean Society for Noise and Vibration Engineering (한국소음진동공학회)
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Stability Evaluation on Aerodynamics of High Speed Railway Train

공력에 의한 HEMU-400x 고속열차의 주행안정성 평가

  • 최지훈 (아주대학교 공과대학 기계공학과) ;
  • 박태원 (아주대학교 공과대학 기계공학부) ;
  • 심경석 (아주대학교 공과대학 기계공학과) ;
  • 곽민호 (서울대학교 공과대학 기계항공공학과) ;
  • 이동호 (서울대학교 공과대학 기계항공공학과)
  • Received : 2011.12.08
  • Accepted : 2012.01.25
  • Published : 2012.03.20
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Abstract

Recently, the speed of a train has been increased. So the trains are being exposed to wind more severely than before. Because of the operation of high speed trains and lightweight of the train, risks of train derailment have being increased. In this study, aerodynamic effects of a newly designed high speed train, HEMU-400x, are evaluated. For aerodynamic effect evaluation, analysis method is selected by examining the safety standards for high speed train. The condition of aerodynamic effects is selected by adverse effect conditions. In order to calculate $C_s$ coefficients, numerical analysis is conducted. Using $C_s$ coefficients, the side force is calculated. Through dynamics analysis, derailment and wheel unloading are obtained. Using these results, derailment evaluation is performed.

Keywords

References

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