| 船艇机舱发动机辐射噪声研究 |
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| 引用本文： | 王宪成,张晶,和穆.船艇机舱发动机辐射噪声研究[J].装甲兵工程学院学报,2010,24(1). |
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| 作者姓名： | 王宪成 张晶 和穆 |
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| 作者单位： | 装甲兵工程学院,机械工程系,北京,100072 |
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| 摘 要： | 针对在混响声场发动机辐射噪声识别困难的问题,提出用统计能量分析法对船艇机舱发动机进行噪声源分析。建立了机舱发动机噪声源识别模型,计算了发动机各表面的辐射声功率大小及频率特性。应用表面振动测量法对机舱发动机各表面辐射噪声进行识别,其结果与统计能量分析法的对比表明:统计能量分析法考虑声场的反射和叠加,能更好地识别复杂声场环境下发动机辐射噪声。
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| 关 键 词： | 船艇机舱 发动机 噪声源 统计能量分析法 表面振动速度测量 |
Research on Radiated Noise of Ship Compartment Engine |
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| WANG Xian-cheng,ZHANG Jing,HE Mu.Research on Radiated Noise of Ship Compartment Engine[J].Journal of Armored Force Engineering Institute,2010,24(1). |
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| Authors: | WANG Xian-cheng ZHANG Jing HE Mu |
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| Institution: | WANG Xian-cheng,ZHANG Jing,HE Mu(Department of Mechanical Engineering,Academy of Armored Force Engineering,Beijing 100072,China) |
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| Abstract: | In order to recognize engine radiated noise in reverberant sound environments, a new method based on Statistical Energy Analysis is put forward. The noise recognition model of compartment engine is set up, and the engine radiated noise levels and features are calculated and analyzed. The radiated noise features of various engine compartments are also investigated by using surface vibration measurement. Compared with two methods, statistical energy analysis is a valid method to recognize noise source in reve... |
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| Keywords: | ship compartment engine noise source statistical energy analysis surface vibration measurement |
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