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Issue:
Analysis of Sound Transmission Loss of Composite Structures Containing Foam Aluminum
Author(s):
HAN Bao-kun
,
ZHENG Feng-min
,
BAO Huai-qian
,
LI Jun
Pages:
116
-
118
Year:
2011
Issue:
6
Journal:
Noise and Vibration Control
Keyword:
声学
;
泡沫铝
;
复合结构
;
传递损失
;
Abstract:
泡沫铝作为一种新型功能材料,具有吸声、减振的优良性能.将泡沫铝材料与基板组合成复合结构,分析该复合结构的隔声性能,与该复合结构的传递损失计算方法.用数值计算分析不同厚度的泡沫铝对复合结构的传递损失的影响,并进行实验验证.结果表明,双层复合板传递损失的实验值与理论预测吻合性较好,泡沫铝层厚度对复合结构的传递损失影响较大.
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