Optimization of micro-perforated sound absorber using Particle Swarm Optimization (PSO)

被引：4

作者：

Tan, W. H. ^{[1
]}

Haslina, R. ^{[1
]}

Lim, E. A. ^{[2
]}

Chuah, H. G. ^{[3
]}

机构：

[1] Univ Malaysia Perlis, Sch Mechatron Engn, Pauh Putra Campus, Arau 02600, Perlis, Malaysia

[2] Univ Malaysia Perlis, Inst Engn Math, Pauh Putra Campus, Arau 02600, Perlis, Malaysia

[3] KDU Penang Coll Univ, Dept Engn Comp & Build Environm, 32 Jalan Anson, George Town 10400, Pulau Pinang, Malaysia

来源：

6TH INTERNATIONAL CONFERENCE ON APPLICATIONS AND DESIGN IN MECHANICAL ENGINEERING | 2019年 / 670卷

关键词：

D O I：

10.1088/1757-899X/670/1/012046

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

This study investigates the acoustic properties of micro-perforated panel (MPP) as an alternative to passive noise control. In order to obtain high sound absorption over broad frequency band, the analysis of sound absorption performance of MPP sound absorber should be conducted based on 3 major design parameters, such as perforation diameter, d, air cavity depth, D, and distance between perforations, b, of MPP. Next, the optimization of sound absorption coefficient for MPP sound absorber need to be done by using the Particle Swarm Optimization (PSO) algorithm and the optimum parameters of a single layer MPP sound absorber should be obtained for achieving higher sound absorption which the sound absorption coefficient, alpha > 0.5 with a wider frequency band. The PSO is used in order to optimize the panel construction to provide maximum sound absorption coefficient in a determined wide band frequency range. Experiments are carried out at normal sound incidence and plane waves. A good agreement is achieved between the theory and the experiments.

引用

页数：5

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