Proceedings of the Korean Society for Noise and Vibration Engineering Conference (한국소음진동공학회:학술대회논문집)
- 2009.10a
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- Pages.597-600
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- 2009
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- 1598-2548(pISSN)
An Estimation of the Sound Insulation Performance of the Multi-layered Panel for a Tilting Train
틸팅 차량용 적층재의 차음성능 평가
- Published : 2009.10.29
Abstract
Sound transmission loss (TL) is experimently investigated on the multi-layered panel used for the floor of a tilting train. Measurement of the intensity transmission loss is performed according to ASTM E 2249-02. The floor structure consists of corrugated steel panel, glass wool, plywood and cover. On the corrugated steel panel, TL drop by local resonance is considered and the TL improvement effect by damping treatment is estimated. Total sound transmission loss of the entire floor structure is obtained and the contribution of each layer is examined.