한국소음진동공학회:학술대회논문집 (Proceedings of the Korean Society for Noise and Vibration Engineering Conference)
- 한국소음진동공학회 2002년도 춘계학술대회논문집
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- Pages.1081-1085
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- 2002
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- 1598-2548(pISSN)
점가진력에 의해 방사된 읍압을 이용한 다중 적층 흡차음 시스템의 차음 성능 예측
Prediction of Isolation Performance of Multi-Layered Sound Barrier System Using the Sound Pressure Radiated by Point Impact
초록
A modeling is developed to predict the isolation performance of sound barrier systems under the sound pressure radiated from excited by point impact. The predicted results are compared with the measured results obtained by using APAMAT II. This instrument provides a combination of structure-borne noise and air-borne noise, which corresponds to rolling noise, by applying the excitation system projected steel balls against the steel sheet.