| 车辆变速箱声振耦合系统声学特性研究 |
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| 引用本文： | 陈福忠,项昌乐,刘辉. 车辆变速箱声振耦合系统声学特性研究[J]. 噪声与振动控制, 2011, 31(1): 15-20. DOI: |
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| 作者姓名： | 陈福忠 项昌乐 刘辉 |
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| 作者单位： | ( 1. 北京理工大学 机械与车辆学院 车辆传动国家重点实验室, 北京 100081， China ；2. 中国石油大学 机电工程学院, 山东 东营 257061, China ) |
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| 摘 要： | 运用声振耦合有限元理论，建立某型车辆变速箱复杂箱体、内部空腔及其构成的耦合系统的有限元模型，并分别进行相应的模态分析；在模态分析的基础上，运用多模型耦合法研究耦合系统的外部噪声响应。分析得到变速箱在声振耦合作用下的声学特性及噪声辐射规律。为进一步展开变速箱的降噪研究提供理论依据和思路。
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| 关 键 词： | 振动与波 变速箱 声振耦合 模态分析 声学特性 |
| 收稿时间： | 2010-05-05 |
| 修稿时间： | 2010-06-21 |
Study on Acoustic Characteristics of Acoustic-Structural Coupling System of Gearbox |
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| CHEN Fu-zhong,XIANG Chang-le,LIU Hui. Study on Acoustic Characteristics of Acoustic-Structural Coupling System of Gearbox[J]. Noise and Vibration Control, 2011, 31(1): 15-20. DOI: |
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| Authors: | CHEN Fu-zhong XIANG Chang-le LIU Hui |
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| Affiliation: | ( 1. School of Mechanical and Vehicular Engineering, Beijing Institute of Technology, National Key Laboratory of Vehicle Transmission , Beijing 100081, China; 2. School of Electromechanical Engineering, China University of Petroleum, Dongying Shandong 257061, China ) |
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| Abstract: | The theory of acoustic-structure coupling finite element are built for a complex gearbox＇ s housing、sealed cavity and whole structural.Based on it＇ s modal analysis the noise response outside of gearbox is studied using a multi-model coupling method.Accordingly,the acoustic characteristics of the coupling system are obtained.This study provides a foundation for noise control of the gearbox. |
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| Keywords: | Vibration and wave Gearbox Acoustic-structural interaction Modal analysis Acoustic characteristics |
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