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汽车多楔带传动噪声仿真分析与试验验证
Authors
史尧臣
周鹏
唐武生
陈国平
Publication date
1 January 2020
Publisher
Editorial Office of Journal of Mechanical Transmission
Doi
Cite
Abstract
以6PK型汽车多楔带为研究对象,首先,分析了多楔带传动噪声产生机理,基于振动特性分析与声学边界元分析相结合的方法,建立两轮多楔带传动噪声仿真预测模型,得到多楔带传动系统的噪声分布云图和幅频特性曲线。然后,基于声阵列测量原理搭建了多楔带传动噪声源识别装置,并进行转速对多楔带传动噪声影响规律的试验研究,得到不同转速下多楔带传动噪声的频域曲线和噪声分布云图。最后,通过仿真结果与试验结果的对比得知,在非共振区,噪声幅值随转速的增加而增大;在共振区,噪声幅值会发生明显增大,且高阶共振时的共振噪声幅值更大。试验结果比仿真分析结果高约4%。验证了理论分析和仿真方法的正确性,为汽车多楔带传动噪声预测提供了依据
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Last time updated on 06/04/2023