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汽油机燃烧压力与燃烧噪声分析

翟俊萌 吴坚 边强 张志强 高文志

翟俊萌, 吴坚, 边强, 张志强, 高文志. 汽油机燃烧压力与燃烧噪声分析[J]. 机械科学与技术, 2015, 34(12): 1935-1939. doi: 10.13433/j.cnki.1003-8728.2015.1224
引用本文: 翟俊萌, 吴坚, 边强, 张志强, 高文志. 汽油机燃烧压力与燃烧噪声分析[J]. 机械科学与技术, 2015, 34(12): 1935-1939. doi: 10.13433/j.cnki.1003-8728.2015.1224
Zhai Junmeng, Wu Jian, Bian Qiang, Zhang Zhiqiang, Gao Wenzhi. Analysis on Combustion Pressure and Combustion Noise of Gasoline Engine[J]. Mechanical Science and Technology for Aerospace Engineering, 2015, 34(12): 1935-1939. doi: 10.13433/j.cnki.1003-8728.2015.1224
Citation: Zhai Junmeng, Wu Jian, Bian Qiang, Zhang Zhiqiang, Gao Wenzhi. Analysis on Combustion Pressure and Combustion Noise of Gasoline Engine[J]. Mechanical Science and Technology for Aerospace Engineering, 2015, 34(12): 1935-1939. doi: 10.13433/j.cnki.1003-8728.2015.1224

汽油机燃烧压力与燃烧噪声分析

doi: 10.13433/j.cnki.1003-8728.2015.1224
基金项目: 

国家863计划项目(2009AA045103)资助

详细信息
    作者简介:

    翟俊萌(1988-),硕士研究生,研究方向为内燃机振动噪声控制,zjm_june@163.com

    通讯作者:

    高文志(联系人),教授,博士,gaowenzhi@tju.edu.cn

Analysis on Combustion Pressure and Combustion Noise of Gasoline Engine

  • 摘要: 为了深入研究汽油机的燃烧噪声产生的机理,达到在发动机设计阶段实现对燃烧噪声预测目的,提出根据汽油机的气缸压力与压缩压力计算燃烧压力与燃烧噪声的方法。采用FFT方法对缸内压力、压缩压力、燃烧压力以及气体共振激励力进行了频谱特性分析,确定了各频带范围内燃烧噪声的贡献量。理论分析结果表明:在小于1 000 Hz的频率下,压缩压力引起的噪声占主要地位,在1 000~10 000 Hz的频率段,燃烧噪声占主导,而在大于15 000 Hz的频率范围内,气体共振激励力引起的噪声较大。在中频段汽油机的转速对燃烧噪声的影响较大。
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出版历程
  • 收稿日期:  2013-08-20
  • 刊出日期:  2015-12-05

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