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

The Korean Society for Noise and Vibration Engineering (한국소음진동공학회)
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A Study on Prediction of Rolling Noise for Railway;- Calculation of Ground Effect and Noise Radiated by Sleeper-

철도차량의 전동음 예측에 관한 연구;- 지표면 효과 및 침목에서 방사되는 소음 계산 -

  • 김재철 (한국철도기술연구원 차량기계연구본부) ;
  • 정현범 (중앙대학교 대학원(현: 현대모비스 연구개발부)) ;
  • 이재응 (중앙대학교 기계공학부)
  • Published : 2003.01.01
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Abstract

The major noise source for the conventional train is the rolling noise caused by the interaction of the wheels and rails during the train passage on the tangent track. In order to control the rolling noise, the noise radiated from wheels, rails and sleepers should be analyzed and predicted. In this paper, a prediction method of wheel/rail rolling noise generated by the roughness of the wheel/rail surface is described, where the method is considering the effect of noise radiated by sleepers and the effect of ground. The method is applied to the Korean railway system, and the sound pressure level (SPL) predicted by the proposed method is compared with the measured SPL. Overall. the result shows good agreement between the predicted and measured values.

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References

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