|
|||||
|
|
| 预测与降低柴油机油底壳辐射噪声方法的研究 | |
| 引用本文： | 郭磊,郝志勇,贾维新,刘宏. 预测与降低柴油机油底壳辐射噪声方法的研究[J]. 汽车工程, 2006, 28(7): 685-687,695 |
| 作者姓名： | 郭磊 郝志勇 贾维新 刘宏 |
| 作者单位： | 浙江大学机械与能源工程学院,杭州,310027;杭州汽车发动机厂技术中心,杭州,310005 |
| 摘 要： | 介绍了一种针对车用柴油机油底壳辐射噪声预测和降低的方法,通过有限元/边界元法预测油底壳结构的动态特性、频响特性以及辐射声功率级,同时考虑油底壳中润滑油的流固耦合作用,提出在油底壳上布置加强板和使用复合材料的方法降低该油底壳的辐射噪声声功率级。 |
| 关 键 词： | 油底壳 辐射噪声 有限元/边界元法 流固耦合 |
| 收稿时间： | 2005-05-17 |
| 修稿时间： | 2005-05-172005-09-06 |
A Research on Prediction and Reduction of Radiated Noise from Oil Pan of Diesel Engine |
|
| Guo Lei,Hao Zhiyong,Jia Weixin,Liu Hong. A Research on Prediction and Reduction of Radiated Noise from Oil Pan of Diesel Engine[J]. Automotive Engineering, 2006, 28(7): 685-687,695 | |
| Authors: | Guo Lei Hao Zhiyong Jia Weixin Liu Hong |
| Affiliation: | 1. College of Mechanical and Energy Engineering, Zhejiang University, Hangzhou 310027; 2. Technique Center of Hangzhou Engine Factory, Hangzhou 310005 |
| Abstract: | An efficient method to predict and reduce the radiated noise from the oil pan of a diesel engine is presented.The dynamic characteristic,frequency response characteristic and radiated sound power level of original oil pan is predicted by FEM/BEM with consideration of the fluid/structure interaction between oil and pan.Two countermeasures of adding strengthening ribs and using composite material are proposed,which effectively lower the radiated sound power level of oil pan. |
| Keywords: | Oil pan Radiated noise FEM/BEM Fluid-structure coupling |
| 本文献已被 维普 万方数据 等数据库收录！ | |