| 汽车天窗噪声的数值分析和控制 |
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| 引用本文： | 周益.汽车天窗噪声的数值分析和控制[J].汽车科技,2012(4):43-46. |
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| 作者姓名： | 周益 |
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| 作者单位： | 合肥工业大学噪声振动工程研究所,合肥,230009 |
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| 摘 要： | 应用计算流体动力学软件fluent中的大涡数值模拟,对某汽车简化模型进行天窗噪声分析,并采用在天窗前沿增加腔体的措施来抑制天窗噪声。分析结果表明：改进后的天窗在压力场分布和监测点处的声压级上均优于改进前。
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| 关 键 词： | 天窗 气动噪声 大涡模拟 计算流体动力学 腔体 |
Numerical Simulation and Control of Automobile Sunroof Noise |
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| ZHOU Yi.Numerical Simulation and Control of Automobile Sunroof Noise[J].Automobile Science and Technology,2012(4):43-46. |
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| Authors: | ZHOU Yi |
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| Institution: | ZHOU Yi(Institute of Sound and Vibration Research,Hefei University of Technology,Hefei 230009,China) |
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| Abstract: | The large eddy model of computational fluid dynamics(CFD)software FLUENT was used to simulate and analyed the aero-acoustics of a simplified vehicle sunroof.A measure by installing a cavity on the front of sunroof was used to reduce the sunroof noise.The simulated results showed that the pressure fields and sound pressure level at the receiving point of the improved model were improved than that without improvement. |
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| Keywords: | sunroof aero-acoustics large eddy simulation computational fluid dynamic cavity |
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