Investigation of sound absorption capability of pine (Pinus densiflora) cone particles

被引：4
|
作者：
Jang, Eun-Suk [1 ,3 ]
Kang, Chun-Won [1 ,2 ]
机构：
[1] Jeonbuk Natl Univ, Res Inst Human Ecol, Coll Human Ecol, Jeonju 54896, South Korea
[2] Jeonbuk Natl Univ, Coll Human Ecol, Dept Housing Environm Design, Jeonju 54896, South Korea
[3] Sambo Sci Co Ltd, R&D Ctr, Seoul 07258, South Korea
来源：
JOURNAL OF WOOD SCIENCE | 2023年 / 69卷 / 01期
基金：
新加坡国家研究基金会;
关键词：
Pine cone; Pine cone particles; Eco-friendly; Sound-absorbing material; Sound absorption coefficient; PERFORMANCE; NOISE;
D O I：
10.1186/s10086-022-02075-w
中图分类号：
S7 [林业];
学科分类号：
0829 ; 0907 ;
摘要：
In this study, the sound absorption capability of pine (Pinus densiflora) cone particles was investigated as an alternative and eco-friendly, sound-absorbing material. The sound absorption coefficient of pine cone particles was examined after filling impedance tubes with 4, 6, 8, and 10 cm of particles. The sound absorption capability of 4 cm and 6 cm thickness was categorized as 0.5 M class, and that of 8 cm and 10 cm thickness was classed as 0.8 M class according to the KS F 3503 sound-absorbing capability classification of sound-absorbing materials. In particular, 10 cm pine cone particles demonstrated exceptional sound absorption capability in the range of 250-6400 Hz, with an average sound absorption coefficient of 0.6 or greater. In conclusion, pine cone particles were found to have excellent sound absorption capability. Thus, this work suggests that pine cone particles may be useful as an eco-friendly, sound-absorbing material.
引用
收藏
页数：7
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