| 火电厂球磨机筒体噪声辐射分析 |
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| 引用本文： | 李晓萍,张帆.火电厂球磨机筒体噪声辐射分析[J].武汉大学学报(工学版),2000,33(6). |
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| 作者姓名： | 李晓萍 张帆 |
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| 作者单位： | 1. 武汉水利电力大学,电气信息学院,湖北,武汉,430072
2. 武汉工业大学,湖北,武汉,430070 |
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| 摘 要： | 在考察了青山电厂的球磨机噪声辐射状况及机体结构后 ,通过建立球磨机筒体噪声辐射的数学模型 ,理论上推出了筒体受钢球冲击而产生的噪声的频谱特征与筒体半径的关系 .为设计筒体及控制球磨机噪声提供了理论参考
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| 关 键 词： | 球磨机 噪声 Fourier变换 频谱 |
Analysis of noise radiation of ball grinder for thermal power plant |
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| LI Xiao-ping,ZHANG Fan.Analysis of noise radiation of ball grinder for thermal power plant[J].Engineering Journal of Wuhan University,2000,33(6). |
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| Authors: | LI Xiao-ping ZHANG Fan |
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| Abstract: | Based on making an investigation into the situation of noise radiation of ball grinder and its structure in Qingshan Thermal Power Plant, and through establishing mathematical model of the ball grinder cylinder's noise radiation, the relationship between frequency spectrum feature of noise, which is produced by steel balls to impact the cynlinder, and radius of the cylinder is derived theoretically. It will provide a theoretical reference for designing cynliner of ball grinder and for controlling its noise. |
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| Keywords: | ball grinder noise Fourier transform spectrum featu? |
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