| 用边界元法研究排气消声器的消声特性 |
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| 引用本文： | 袁兆成,丁万龙,方华,高峥.用边界元法研究排气消声器的消声特性[J].汽车技术,2005(7):4-7. |
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| 作者姓名： | 袁兆成 丁万龙 方华 高峥 |
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| 作者单位： | 吉林大学
(袁兆成，丁万龙，方华)，吉林大学(高峥) |
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| 摘 要： | 利用三维边界元数学模型对消声结构传递损失进行了仿真计算。在试验验证简单扩张腔的传递损失计算模型的基础上，采用边界元法探讨了排气消声器的传递损失及其提高消声性能应抑制的频率点，为进一步改进指出了可能性。研究表明，利用边界元法进行排气消声器的三维仿真分析，可以用于指导实际产品的设计与改进。
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| 关 键 词： | 排气消声器 边界元法 消声特性 传递损失 三维边界元 仿真计算 消声结构 数学模型 计算模型 试验验证 消声性能 仿真分析 扩张腔 频率点 可能性 |
| 文章编号： | 1000-3703(2005)07-0004-04 |
Studies on Muffling Characteristics of Exhaust Muffler with the Boundary Element Method |
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| Yuan Zhaocheng,Ding Wanlong,Fang Hua,Gao Zheng.Studies on Muffling Characteristics of Exhaust Muffler with the Boundary Element Method[J].Automobile Technology,2005(7):4-7. |
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| Authors: | Yuan Zhaocheng Ding Wanlong Fang Hua Gao Zheng |
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| Abstract: | With the three dimensional boundary element mathematical model.simulation of transmission loss of the muffling structure is carried out.Based on experimental verification of the transmission loss calculation model of expansion cavity.transmission loss of exhaust mufflers and the frequency to be restrained for improvement of muffling performance are discussed with the boundary element method.and possibility of further improvement is pointed out.It is shown that the three dimensional simulation and analysis with the boundary element method can be applied to design and improvement of actual mufflers. |
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| Keywords: | Boundary element method Exhaust muffler Engine |
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