The experimental research on the sound absorption coefficient of several different mytilaria laosensis veneering boards

被引：0

作者：

Chu-wang S. ^{[1
]}

Quan-ping Y. ^{[1
]}

Jing-da H. ^{[1
]}

Kang Y. ^{[1
]}

机构：

[1] Forestry College of Guangxi University, Nanning

来源：

Key Engineering Materials | 2011年 / 486卷

关键词：

Fibreboard; Micro-perforation structure; Mytilaria laosensis; Sound absorption coefficient;

D O I：

10.4028/www.scientific.net/KEM.486.95

中图分类号：

学科分类号：

摘要：

The composite acoustics board with pore-tank structure and variable cross section structure are made of Medium Density Fiberboard(MDF) as base material, Mytilaria laosensis sheet as veneer board, and sound absorption mat as the substructure material with the micro-perforation interlayer structure. The test was carried out to compare the absorption coefficient of Mytilaria laosensis sheet and nine samples by standing wave tube The test result shows that Mytilaria laosensis sheet has a low sound-absorbing performance itself, and its sound-absorption coefficient in all frequency ranges less than 0.3 and cannot be used as the sound-absorption board alone; The variable cross section structure sound-absorption board has a better performance than the pore-tank structure; When using the micro-perforation layer structure, the sound absorption board performs better and the sound absorption coefficient improves markedly in middle and low frequency scope. © (2011) Trans Tech Publications, Switzerland.

引用

页码：95 / 98

页数：3

共 6 条

[1]

Ruiying C., Journal of Fujian College of Forestry, 14, pp. 306-310, (1994)

[2]

Guijun J., Forestry Science & Techonology, 33, pp. 51-53, (2008)

[3]

Xiaoyan Z., Yukun H., Xuesong P., Jouranal of Nanjing Forestry, 24, pp. 23-26, (2000)

[4]

Xiaoyan Z., Jian L., Haifu T., China Forestry Science and Technology, 15, pp. 23-24, (2001)

[5]

Liang X., Tropical Forestry Science and Technology, 2, pp. 53-60, (1984)

[6]

Dayou M., China Science, 1, pp. 38-50, (1975)

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