| 基于相干分析的斯特林发动机噪声源识别 |
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| 引用本文： | 王晓武,陈洁,蔡勇.基于相干分析的斯特林发动机噪声源识别[J].柴油机,2009,31(5):25-27. |
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| 作者姓名： | 王晓武 陈洁 蔡勇 |
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| 作者单位： | 1. 上海齐耀动力技术有限公司,上海,201203
2. 七一一研究所,上海,201108 |
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| 摘 要： | 采用近场测量法,绘制了某斯特林发动机表面的噪声等值线图,对关键部位的振动和噪声信号作了相干性分析。实际应用表明,相干性分析用于斯特林发动机的噪声源识别是可行的,具有工程实用价值。
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| 关 键 词： | 斯特林发动机 噪声源 噪声等值线图 相干分析 |
Noise Source Identification of Stirling Engine Based on Coherent Analysis |
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| Wang Xiaowu,Chen Jie,Cai Yong.Noise Source Identification of Stirling Engine Based on Coherent Analysis[J].Diesel Engine,2009,31(5):25-27. |
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| Authors: | Wang Xiaowu Chen Jie Cai Yong |
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| Affiliation: | Wang Xiaowu1,Chen Jie2,Cai Yong1(1.Shanghai Micropowers Co.,Ltd,Shanghai 201203,2.Shanghai Marine Diesel Engine Research Institute,Shanghai 201108) |
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| Abstract: | Using near-field measurement to draw the noise contour map of one model of stirling engine surface.Coherent analysis is carried out on vibration and noise signals of key components.The feasibility of coherent analysis used in noise source identification of stirling engine is proved in practice,which shows good engineering utility values. |
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| Keywords: | Stirling engine noise source noise contour map coherent analysis |
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