Measurement of sound transmission loss by using impedance tubes

被引：42

作者：

Jung, Sung Soo ^{[1
]}

Kim, Yong Tae ^{[1
]}

Lee, Yong Bong ^{[1
]}

Cho, Seung Il ^{[2
]}

Lee, Jong Kyu ^{[2
]}

机构：

[1] Korea Res Inst Stand & Sci, Fluid Flow Acoust & Vibrat Ctr, Taejon 305340, South Korea

[2] Pukyong Natl Univ, Dept Phys, Pusan 608737, South Korea

来源：

JOURNAL OF THE KOREAN PHYSICAL SOCIETY | 2008年 / 53卷 / 02期

关键词：

sound transmission loss; impedance tube; flow resistivity;

D O I：

10.3938/jkps.53.596

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The sound transmission loss of several sound absorbent materials was measured by using an impedance tube and was compared with theoretically calculated values. The impedance tube system designed for the testing consisted of an upstream tube, a sample-holder section and a downstream tube. The transfer function method and a four-pole matrix analysis were used in measuring and calculating the sound transmission loss, respectively. Good agreement between the measured and the theoretical values was obtained.

引用

页码：596 / 600

页数：5

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