Journal of KSNVE (소음진동)

The Korean Society for Noise and Vibration Engineering (한국소음진동공학회)
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A Study on the Predition of Train Noise Propagation from a Level Railroad

평탄부 선로에서 철도소음의 전파예측에 관한 연구

  • 주진수 (전북대학교 공업기술연구소) ;
  • 박병전 (전북대학교 공과대학 건축공학과)
  • Published : 1998.02.01
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Abstract

In order to predict the train noise propagation from a level railroad, this paper presents the model of train noise source and the prediction model based on the results by using the sound intensity method. The prediction model gives the effects of geometric attenuation, ground attenuation, and barrier attenuation of noise. There are several principal assumption in developing model: (a) the train noise is primarily rolling noise; (b) the rail head and wheels are in good condition; (c) the height of source is 10cm above track; (d) the directivity pattern of train noise sources is a dipole source. Calculated results based on this model are compared with available field data and good agreement has been obtained.

Keywords

References

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