| 柴油机表面噪声的声强测量与分析 |
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| 引用本文： | 韩军,郝志勇,刘月辉.柴油机表面噪声的声强测量与分析[J].汽车工程,2003,25(3):272-274. |
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| 作者姓名： | 韩军 郝志勇 刘月辉 |
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| 作者单位： | 天津大学,天津,300072 |
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| 摘 要： | 依据声强法的测量原理，对一台车用增压柴油机进行了声强测量研究，得到了该发动机整机噪声分布的声强云图，确定了该机的主要噪声源位置。用振动速度法对声强法测量的结果进行了验证，两者是吻合的。
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| 关 键 词： | 柴油机 表面噪声 声强测量 噪声源 声强云图 振动速度法 |
Sound Intensity Measurement for Noise Source Identification in Diesel Engine |
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| Han Jun,Hao Zhiyong & Liu Yehui Tianjin University,Tianjin.Sound Intensity Measurement for Noise Source Identification in Diesel Engine[J].Automotive Engineering,2003,25(3):272-274. |
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| Authors: | Han Jun Hao Zhiyong & Liu Yehui Tianjin University Tianjin |
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| Institution: | Han Jun,Hao Zhiyong & Liu Yehui Tianjin University,Tianjin 300072 |
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| Abstract: | The sound intensity measurement is carried out on a typical supercharged diesel engine of a vehicle.Then a sound intensity contour map for noise distribution in the engine is obtained and the main noise sources are located.The result of sound intensity measurement is also verified by vibration velocity method with good agreement. |
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| Keywords: | Diesel engine Sound intensity Noise source identification |
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