噪声与振动控制2016，Vol.36Issue(2)：88-91,4.DOI:10.3969/j.issn.1006-1335.2016.02.019
混合膨胀腔消声器声学性能时域CFD分析
Time-domain CFD Analysis of Acoustic Attenuation Performance of Hybrid Expansion Chamber Silencers
刘晨 1季振林 2刘世生 1冀洵1
作者信息
- 1. 中国舰船研究院 动力工程技术部，北京 100192
- 2. 哈尔滨工程大学 动力与能源工程学院，哈尔滨 150001
- 折叠
摘要
Abstract
The three-dimensional time-domain CFD approach was used to compute the acoustic attenuation performance of hybrid expansion chamber silencers. Firstly, the calculation principle and procedure of the three-dimensional time-domain CFD method was introduced. Then, the transmission loss of the hybrid expansion chamber silencers was predicted by this method, and good agreements among the time-domain approach results, measurement results and finite element method (FEM) results were observed. The numerical results demonstrate that the resistivity has an obvious influence on the acoustic attenuation performance of the hybrid expansion chamber silencers.关键词
声学/消声器/吸声材料/传递损失/数值模拟Key words
acoustics/silencer/sound-absorbing material/transmission loss/numerical simulation分类
通用工业技术引用本文复制引用
刘晨,季振林,刘世生,冀洵..混合膨胀腔消声器声学性能时域CFD分析[J].噪声与振动控制,2016,36(2):88-91,4.
