汽车排气消声器研究综述  

Review of Study on Vehicle Exhaust Muffler

作　　者：孟妤 赵诚 朱桂昌 MENG Yu

机构地区：[1]中机科(北京)车辆检测工程研究院有限公司,北京102100

出　　处：《专用汽车》2021年第6期83-85,共3页Special Purpose Vehicle

摘　　要：详细回顾了汽车排气消声器的研究、设计历程,阐述了有源消声法、四端网络法、有限元法、统计能量法、边界元法的成就与进展。指出有源消声、流固声耦合、声模态、辐射模态、新型消声材料应用及高温高流速条件下消声器性能分析是今后的研究热点,消声器的设计将趋于简洁化、信息化、智能化,从追求单项指标最优到整车系统噪声、振动与声振粗糙度最优。Development of vehicle exhaust muffler study and design process is reviewed in detail.Achievement and development of Active Sound Attenuation Method,Four-terminal Network Method,Finite Element Method,Statistic Energy Method and Boundary Element Method are expounded.Active noise attenuation,flow solid acoustic coupling,acoustic mode,radiation mode,new anechoic material application and muffler performance analysis nnder high temperature and high flow velocity condition are hot research topics in future.The design of the muffler will tend to simplification,informatization,intelligent,and it also turns from pursuing single index optimal to vehicle NVH system optimal.

关 键 词：排气消声器 有源消声 边界元法 声模态 

分 类 号：U467.493[机械工程—车辆工程]