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

The Korean Society for Noise and Vibration Engineering (한국소음진동공학회)
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Prediction of Highway Traffic Noise - Estimation of Sound Power Level Emitted by Vehicles

고속도로 교통소음 예측-자동차 주행소음의 음향파워레벨 평가

  • 조대승 (부산대학교 조선해양공학과) ;
  • 오정한 (부산대학교 대학원 조선해양공학과) ;
  • 김진형 (부산대학교 대학원 조선해양공학과) ;
  • 김성훈 (부산대학교 대학원 조선해양공학과) ;
  • 최태묵 (부산대학교 대학원 조선해양공학과) ;
  • 장태순 (한국도로연구소 재료환경연구그룹) ;
  • 강희만 (한국도로연구소 재료환경연구그룹) ;
  • 이성환 (한양대학교 기계공학과)
  • Published : 2002.08.01
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Abstract

Precise highway traffic noise simulation and reduction require the accurate data for sound power levels omitted by vehicles, varied to road surface, traffic speed, vehicle types and makers, different from countries to countries. In this study, we have elaboratively measured Korea highway traffic noise and parameters affecting noise levels at the nearside carriageway edge. From numerical simulation using the measured results for highway traffic noise, we propose not only two correction factors to enhance the accuracy of Korea highway traffic sound power estimation using ASJ Model-1998 but also its typical power spectrum according to road surface type. The measured and predicted highway traffic noise levels using the proposed sound power show little difference within 1 dB.

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References

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Cited by

  1. Instantaneous Environmental Noise Simulation of High-speed Train by Quasi-stationary Analysis vol.22, pp.10, 2012, https://doi.org/10.5050/KSNVE.2012.22.10.1003