| 高速列车集电部的气动噪声研究 |
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| 引用本文： | 杨帆,牛文达.高速列车集电部的气动噪声研究[J].机电产品开发与创新,2012,25(4):13-15. |
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| 作者姓名： | 杨帆 牛文达 |
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| 作者单位： | 中国科学院长春光学精密机械与物理研究所,吉林长春,130000 |
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| 摘 要： | 针对铁路提速后高速列车集电部气动噪声过大的问题,在集电部引入导流罩,应用Fluent对不同速度下含导流罩及不含导流罩的外流场和气动噪声分别进行数值模拟和分析。计算结果表明,引入导流罩后集电部的气动噪声有明显降低,集电部产生的气动噪声以偶极子声源为主。
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| 关 键 词： | 高速列车 集电部 导流罩 气动噪声 数值模拟 Fluent |
The Research of Aerodynamic Noise Produced by the Power Collection Equipment of High-speed Trains |
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| YANG Fan
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NIU Wen-Da.The Research of Aerodynamic Noise Produced by the Power Collection Equipment of High-speed Trains[J].Development & Innovation of Machinery & Electrical Products,2012,25(4):13-15. |
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| Authors: | YANG Fan NIU Wen-Da |
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| Affiliation: | (Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Science, Changchua Jilin 130000, China) |
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| Abstract: | As to the issues that the aerodynamic noise produced by the power collection equipment of high-Teed trains becomes significant as the speed increase of railway, a current-guide cover is introduced into the power collection equipment, and the flow field and the aerodynamic noise of the power collection equipment are numerically simulated and analyzed using Fluent. The computational results indicate that the current-guide cover can significandy reduce the aerodynamic noise produced by the power collection equipment and the noise is dipole mainly. |
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| Keywords: | high-speed train power collection equipment current-guide cover aerodynamic noise numerical simulation Fluent |
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