Noise Reduction for a Given Vehicle Based on Sound Intensity Measurement Method
In this paper the mechanisms of the bottom radiant noise generation of a given mini vehicle was investigated and the corresponding countermeasures were put forward in reducing the noise of a diesel engine.According to the analysis of acoustic signals and vibration signals measurement,an investigation of the noise source identification in a given vehicle was presented.With the sound intensity method,the major sources of the bottom radiation noise of the engine under three operating conditions were surveyed.The research provides the reliable basis for the engineering practice to reduce vehicle noise level.
Sound Intensity Engine Noise Source Identification
Zhixin Liu Yongwan Shi
China automotive technology and research center,Tianjin,China
国际会议
西安
英文
1212-1215
2012-06-12（万方平台首次上网日期，不代表论文的发表时间）