| A型地铁车辆孔隙结构对整车隔声性能影响的计算分析 |
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| 引用本文： | 唐勇军,郭海洋.A型地铁车辆孔隙结构对整车隔声性能影响的计算分析[J].电力机车与城轨车辆,2010,33(4):29-30,35. |
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| 作者姓名： | 唐勇军 郭海洋 |
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| 作者单位： | 南车株洲电力机车有限公司,湖南,株洲,412001 |
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| 摘 要： | 通过理论计算和实验方法,研究了地铁车辆中孔隙结构的透声面积和隔声量对整车隔声性能的影响。结果表明,减小孔隙结构的透声面积或增加其隔声量都可以提高整车的隔声性能。
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| 关 键 词： | 地铁车辆 隔声量 噪声 |
Calculation analysis of the influence of hole and gap structures on sound transmission loss of type A metro vehicles |
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| TANG Yong-jun,GUO Hai-yang.Calculation analysis of the influence of hole and gap structures on sound transmission loss of type A metro vehicles[J].Electric Locomotives & Mass Transit Vehicles,2010,33(4):29-30,35. |
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| Authors: | TANG Yong-jun GUO Hai-yang |
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| Institution: | TANG Yong-jun,GUO Hai-yang(CSR Zhuzhou Electric Locomotive Co.,Ltd.,Zhuzhou 412001,China) |
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| Abstract: | The influence of hole and gap structures on sound transmission loss of metro vehicle is investigated theoretically and experimentally.It is shown that transmission loss of metro vehicle can be improved by decreasing the surface area or increasing the transmission loss of hole and gap structures. |
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| Keywords: | metro vehicle transmission loss noise |
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