| 油-固-气耦合作用下车辆变速箱辐射噪声估测 |
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| 引用本文： | 刘 辉,陈福忠,项昌乐.油-固-气耦合作用下车辆变速箱辐射噪声估测[J].农业工程学报,2011,27(11):56-60. |
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| 作者姓名： | 刘 辉 陈福忠 项昌乐 |
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| 作者单位： | 1. 北京理工大学机械与车辆学院,车辆传动重点实验室,北京100081
2. 中国石油大学机电工程学院,东营,257061 |
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| 摘 要： | 为反映变速箱实际工作情况，更加准确预测变速箱辐射噪声，运用流固耦合有限元方法，建立变速箱箱体及其内部空气和油液的耦合模型，通过模态试验对箱体模型进行了验证，所建模型合理。运用声学边界元理论计算得到变速箱在发动机和齿轮激励下的辐射噪声，并通过声学试验验证仿真结果的准确性，为进一步进行变速箱噪声控制研究提供参考。
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| 关 键 词： | 变速箱，耦合，有限元方法，辐射噪声 |
| 收稿时间： | 2011/1/21 0:00:00 |
| 修稿时间： | 2011/5/25 0:00:00 |
Radiation noise prediction of vehicular gearbox under oil-solid-gas coupling effect |
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| Liu Hui,Chen Fuzhong and Xiang Changle.Radiation noise prediction of vehicular gearbox under oil-solid-gas coupling effect[J].Transactions of the Chinese Society of Agricultural Engineering,2011,27(11):56-60. |
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| Authors: | Liu Hui Chen Fuzhong and Xiang Changle |
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| Institution: | Liu Hui1,Chen Fuzhong2,Xiang Changle1(1.Technology on Vehicle Transmission Laboratory,Mechanical Engineering School,Beijing Institute of Technology,Beijing 100081,China 2.School of Electromechanical Engineering,China University of Petroleum,Dongying 257061,China) |
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| Abstract: | A fluid-structure coupling model including the gearbox housing, internal air and the lubrication oil was built by the finite element method to predict the radiation noise of gearbox more accurately and acquire the actual operating state of the gearbox. The finite element model of housing was verified through a modal test. Based on the acoustic boundary element theory, the radiation noise level of the gearbox was simulated under the excitations of the engine and the gear meshing forces. Furthermore, the simulation results were also validated by an acoustic test. The results can provide a beneficial support for the further study of gearbox noise control. |
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| Keywords: | transmissions couplings finite element method radiation noise |
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