摘要
通过对排气噪声的插入损失试验,并依据声学理论,利用频谱分析和声学模拟技术分析并改进了消声器的消声性能,取得了很好的效果。
After the insertion loss test, the acoustic performances of exhaust muffler are improved based on the acoustics theory, frequency spectrum analysis and acoustic simulation technology. It is proved the good result is acquired.
出处
《内燃机》
2007年第4期43-44,48,共3页
Internal Combustion Engines
关键词
声学
排气消声器
频谱分析
声学模拟分析
排气噪声
acoustics
exhaust muffler
spectrum analysis
acoustic simulation
exhaust noise