Studies of the Relationship Between Sound Absorption Coefficient and Air Permeability of Wood

被引：1

作者：

Kang, Chun-Won ^{[1
,2
,3
]}

Jang, Eun-Suk ^{[1
,2
,3
]}

Jang, Sang-Sik ^{[1
,4
]}

Hasegawa, Masumi ^{[1
]}

Matsumura, Jnuji ^{[1
]}

机构：

[1] Kyushu Univ, Fac Agr, Dept Forest & Forest Prod Sci, Lab Wood Sci, Fukuoka 8128581, Japan

[2] Jeonbuk Natl Univ, Coll Human Ecol, Dept Housing Environm Design, Jeonju 54896, South Korea

[3] Jeonbuk Natl Univ, Coll Human Ecol, Res Inst Human Ecol, Jeonju 54896, South Korea

[4] Chungnam Natl Univ, Coll Agr & Life Sci, Dept Forest Prod, Daejeon 34134, South Korea

来源：

JOURNAL OF THE FACULTY OF AGRICULTURE KYUSHU UNIVERSITY | 2020年 / 65卷 / 02期

基金：

新加坡国家研究基金会;

关键词：

Air permeability; Sound absorption coefficient; Sugi; Chanchin-modoki; Yurinoki;

D O I：

暂无

中图分类号：

S [农业科学];

学科分类号：

09 ;

摘要：

The longitudinal sound absorption capability and air permeability of three species of Japanese wood were investigated. The air permeability values of Sugi, Chanchin-modold, and Yurinold were 0.5, 0.06, and 0 (air flow not detected) darcy for the heartwood and 18.2, 0.92, and 0.91 darcy for the sapwood, respectively. The noise reduction coefficients of those three species were 0.04, 0.04, and 0.09 for the heartwood and 0.11, 0.05, and 0.14 for the sapwood, respectively. The mean sound absorption coefficients of those sample specimens in the frequency range of 50-640011z were 0.08, 0.06, and 0.20 for the heartwood and 0.16, 0.09, and 0.30 for the sapwood, respectively. The sound absorption capability of the sample specimens increased with increase in air permeability.

引用

页码：351 / 355

页数：5

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