The Acoustical Characteristics of an Interference-type Noise Barrier

간섭형 방음벽의 음향특성

  • 이우섭 (한국표준과학연구원 음향진동그룹) ;
  • 정성수 (한국표준과학연구원 음향진동그룹) ;
  • 서상준 (한국표준과학연구원 음향진동그룹) ;
  • 전오성 (전주대학교 기계공학과)
  • Published : 2000.06.01

Abstract

This study is concerned with the acoustic characteristics for recently developed interference-type noise barrier (T-shaped). To modify the previous shape more conveniently the T-shaped noise barrier with tuning partitions was examined in detail by varying the number and the hight of tuning partitions. The 2-D boundary element method(BEM) analysis were compared with the experimental results of 1/10 reduced scale model.

Keywords

References

  1. Appl. Acoust. v.53 Noise Barriers with Reactive Surfaces Fujiwara, K.;Hothersall D. C.;Kim, C-H.
  2. J. Sound Vib. v.216 Efficiency of a Noise Barrier on the Ground with an Acoustically Soft Cylindrical edge Okubo T.;Fujiwara, K.
  3. Appl. Acoust. v.1 Noise Reduction by Screens Maekawa, Z.
  4. Appl. Acoust. v.42 Using Maekawa's Chart to Calculate Finite Length Barrier Insertion Loss Lam, Y. W.
  5. SYSNOISE Rev. 5.3 LMS/NIT
  6. J. Acoust. Soc. Jpn. (E) v.20 A Study on the Insertion Loss of a Noise Barrier for a Directional Sound Source Matsumoto, G.;Fujiwara, K;Omoto, A.