| 汽油机进气系统噪声仿真技术研究 |
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| 引用本文： | 岳贵平,卢炳武,刘英杰,刘杨.汽油机进气系统噪声仿真技术研究[J].汽车技术,2010(3). |
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| 作者姓名： | 岳贵平 卢炳武 刘英杰 刘杨 |
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| 作者单位： | 中国第一汽车集团公司技术中心 |
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| 摘 要： | 基于非线性平面波理论和流阻分析技术,建立了汽油机进气系统噪声仿真平台,并进行了某汽油机匹配原进气系统管口噪声和流阻计算,计算结果与试验结果的对比表明该进气系统噪声仿真方法可行.针对某微型车更换动力总成后车内噪声没有达到目标样车水平的问题,提出了2种空气滤清器改进方案,并分别进行了2种方案的进气系统管口噪声仿真计算.结果表明,方案2最优,其不仅能降低某些转速的峰值噪声,还能保证车辆的动力性.
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| 关 键 词： | 汽油机 进气系统 噪声 仿真 |
The Study on Simulation Technology of Noise of Intake Systems of Gasoline Engines |
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| Yue Guiping,Lu Bingwu,Liu Yingjie,Liu Yang.The Study on Simulation Technology of Noise of Intake Systems of Gasoline Engines[J].Automobile Technology,2010(3). |
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| Authors: | Yue Guiping Lu Bingwu Liu Yingjie Liu Yang |
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| Institution: | China FAW Group Corporation R&D Center |
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| Abstract: | Based on the theory of nonlinear plane-wave and the technology of flow-resistance analysis,an acoustic simulation platform of gasoline engine intake systems of is built,noise and flow resistance of a gasoline engine equipped with the former intake system is calculated.The comparison between the calculation results and test results shows that this intake system noise simulation method is feasible.To solve the problem of a mini vehicle with new powertrain in which interior noise fails to meet the level of tar... |
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| Keywords: | Gasoline engine Intake systems Noise Simulation |
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