Research on sound absorption performance of ultra-thin metal micro-perforated panel absorber

被引：0

作者：

Xu, H. ^{[1
,2
]}

Kong, D. Y. ^{[1
,3
]}

Qian, Y. J. ^{[4
]}

Hu, M. ^{[5
]}

Tang, X. N. ^{[6
]}

机构：

[1] Chinese Acad Sci, State Key Lab Transducer Technol, Hefei Inst Phys Sci, 350 Shushan Lake Rd, Hefei 230031, Anhui, Peoples R China

[2] Univ Sci & Technol China, 96 Jinzhai Rd, Hefei 230026, Anhui, Peoples R China

[3] Innovat Acad Seed Design, 1 Courtyard,Beichen West Rd, Beijing 100101, Peoples R China

[4] IOT Engn Coll, 200 Jinling North Rd, Changzhou 213022, Jiangsu, Peoples R China

[5] Hefei Univ Technol, 193 Tunxi Rd, Hefei 230009, Anhui, Peoples R China

[6] Wuhan Text Univ, 1 Sunny Ave, Wuhan 430200, Hubei, Peoples R China

来源：

OPTOELECTRONIC MATERIALS AND DEVICES (ICOMD 2020) | 2021年 / 11767卷

基金：

中国国家自然科学基金;

关键词：

Ultra-thin metal; micro-perforated panel; acoustic absorption; absorption performance;

D O I：

10.1117/12.2592167

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

The acoustic absorption performance of ultra-thin metal micro-perforated panels (Mpp) with different thicknesses backed by an air cavity is studied in this paper. The ultra-thin metal Mpp with different structural parameters are processed by the computer numerical control machine tool and tested in the impedance tube. The experimental results show that the acoustic absorption performance of the ultra-thin metal Mpp absorber cannot be predicted directly by the sound absorption theory of rigid Mpp. It can be concluded that the vibration of the ultra-thin metal Mpp cannot be ignored. In addition, the acoustic absorption performance can be further optimized by rationally designing structural parameters and coupling with the vibration of the ultra-thin metal Mpp.

引用

页数：6

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