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| 进排气系统隔声性能试验与仿真分析方法综述 | |
| 引用本文： | 赵志芳,苏铁熊,冯慧华.进排气系统隔声性能试验与仿真分析方法综述[J].车用发动机,2009(5). |
| 作者姓名： | 赵志芳 苏铁熊 冯慧华 |
| 作者单位： | 1. 中北大学机电工程学院,山西,太原,030051;北京理工大学机械与车辆学院,北京,100081 2. 中北大学机电工程学院,山西,太原,030051 3. 北京理工大学机械与车辆学院,北京,100081 |
| 摘 要： | 总结了进排气系统隔声性能分析方法,对比了混响室法和阻抗管法测量隔声性能的适用范围,指出测量过程中产生误差的主要原因,为隔声性能测量方法的选择提供依据;同时,指出一维解析法和三维数值法都可用来分析消声器的传递损失,一维方法的使用受制于结构形状以及截止频率,三维数值方法更为实用,总结了穿孔板、吸声材料等关键部分的模拟方法,指出了目前仿真分析中存在的问题。 |
| 关 键 词： | 进排气系统 隔声 传递损失 测量方法 仿真 误差 |
A Summary on Acoustic Insulation Performance Test and Simulation Analysis Methods of Intake and Exhaust System |
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| ZHAO Zhi-fang,SU Tie-xiong,FENG Hui-hua.A Summary on Acoustic Insulation Performance Test and Simulation Analysis Methods of Intake and Exhaust System[J].Vehicle Engine,2009(5). | |
| Authors: | ZHAO Zhi-fang SU Tie-xiong FENG Hui-hua |
| Institution: | ZHAO Zhi-fang1,2,SU Tie-xiong1,FENG Hui-hua2(1.School of Mechatronic Engineering,North University of China,Taiyuan 030051,China,2.School of Mechanical , Vehicular Engineering,Beijing Institute of Technology,Beijing 100081,China) |
| Abstract: | The analysis methods of acoustic insulation performance for intake and exhaust system were summarized.The application scope of reverberation chamber method was compared with that of impendence tube method.The main sources of error during the measuring were pointed out,which brought the reference for choosing the measurement method of acoustic insulation performance.Besides these,it was pointed out that the transmission loss of muffler could be analyzed with one-dimensional analytical method and three-dimens... |
| Keywords: | intake and exhaust system acoustic insulation transmission loss measurement method simulation error |
| 本文献已被 CNKI 万方数据 等数据库收录！ | |