关键词: 进气系统；消声元件；NVH 测试；声学仿真

Abstract: The acoustic performance of air intake system plays an important role in vehicle NVH, which affects the driving feeling of drivers and passengers. This paper focuses on the optimization of air intake system of the vehicle. By analyzing the test results of air inlet noise, the acoustic optimization of air intake system is carried out; Then, the acoustic performance of the silencer is verified by simulation and experiment separately, the result of experiment show that the performance of the silencer could meet the target of the whole vehicle. The simulation methods and experiments involved in optimization could have a certain reference value for air intake system designing.

Key words: Air intake system; Silencer; NVH test; Acoustic simulation