| Experimental Research on Noise Reduction of Mini-car |
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| 引用本文： | DENG Zhao xiang,ZHANG Zheng liang,YANG Cheng. Experimental Research on Noise Reduction of Mini-car[J]. 保鲜与加工, 2003, 0(5): 18-21 |
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| 作者姓名： | DENG Zhao xiang ZHANG Zheng liang YANG Cheng |
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| 摘 要： | By means of noise sources separation experiment of mini car and the surface acoustic intensity measurement of the engine, this paper finds that the main noise source of the mini car is the intake noise. According to the frequency spectrum analysis of the intake noise, the design frequency of the three cavity Helmholz intake silencer is determined. The results of the experiments show that the silencer, which is patented, has a remarkable effect, about 8 dB(A) decrement, on the noise reduction of the mini car.
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| 关 键 词： | mini car noise measurement noise sources separation/acoustic intensity test intake noise |
| 修稿时间： | 2003-01-11 |
Experimental Research on Noise Reduction of Mini-car |
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| DENG Zhao xiang,ZHANG Zheng liang,YANG Cheng. Experimental Research on Noise Reduction of Mini-car[J]. Storage & Process, 2003, 0(5): 18-21 |
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| Authors: | DENG Zhao xiang ZHANG Zheng liang YANG Cheng |
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| Abstract: | By means of noise sources separation experiment of mini car and the surface acoustic intensity measurement of the engine, this paper finds that the main noise source of the mini car is the intake noise. According to the frequency spectrum analysis of the intake noise, the design frequency of the three cavity Helmholz intake silencer is determined. The results of the experiments show that the silencer, which is patented, has a remarkable effect, about 8 dB(A) decrement, on the noise reduction of the mini car. |
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| Keywords: | mini car noise measurement noise sources separation/acoustic intensity test intake noise |
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