车用隔音-积水声学玻璃.pdf

: .
Monolithic glass
量(
扩音器 d 25
B Normal laminated glass
)
20 Better performance
更好的隔音效果
Receiver 10dB
接收器 15
100 200 400 800 1000 4000
Acoustic room 频率(Hz)
隔音室
• While data shown are presented to be typical performance values,
Sekisui does not guarantee satisfactory results from reliance upon such data.
SEKISUI Confidential 3
PDF created with pdfFactory Pro trial version . Performance review of SAF
隔音中间膜性能概述
It can cut a noise from engine mount.
可抑制引擎发动产生的噪音
损失系数对比
Loss Factor Mechanical ImpedanceMethod Comparison of Loss factor