发动机油底壳

492Q发动机油底壳实验振动模态分析

Vibration modal analysis of 492Q engine 's oil pan

发动机油底壳辐射噪声预测方法的研究

Research on Prediction Method of Radiated Noise of Engine Oil Pan

摩托车发动机油底壳贮油量的选取

Selection of Oil Quantity in Oil Pan for Motorcycle Engine

发动机油底壳振动与噪声辐射研究

Study on the Vibration and Acoustic Radiation of the Oil Pan of Engine

实测了发动机油底壳冲压成形后的厚度分布。

The thickness distributions of the oil pans after forming process were measured .

发动机油底壳的动态特性分析

Dynamic properties of engine oil pan

介绍了对发动机油底壳进行噪声预测的两种方法。

This paper described two methods on how to predict the radiated noise of engine oil pan .

对发动机油底壳在冲压成形过程的应力、应变及厚度分布进行了数值模拟。

The stress field , strain field and thickness distribution of the oil pans during forming process were calculated .

结论FEM/BEM方法是预测发动机油底壳辐射噪声的有效方法。

Consequently , the FEM / BEM is an effective method for predicting the radiated noise of the oil pan .

利用有限元法分析某发动机油底壳的振动特性，对其表面辐射噪声进行研究。

Vibration characteristics of an engine oilpan are analyzed using FEM and radiated noise from the oilpan surface is researched .

柴油机油底壳进水的主要原因及判断发动机油底壳进油故障及排除

Main Ways and Judgment of Intake of Diesel Engine Oil Basin Reasons of diesel fuel leaking into oil basin and its remove

天高硅橡胶平面密封系列产品用于大间隙及挠性连接件的平面密封，如箱体、法兰、电喷发动机油底壳及端盖结合面等部位。

TEKUP silicone flange sealants are made to seal flanges with large clearances or seal flexible fasteners , such as machine cases , flanges , engine oil trays , covers and etc.

结合有限元法和声边界元法建立了发动机油底壳辐射噪声预测模型，开发了相应的计算程序，在多点激励条件下，对油底壳进行了噪声预测。

A model for predicting the radiation noise from the engine sump was constructed and software was developed by Finite Element Method and Boundary Element Method . The radiation noise of a sump with multi-point excitation was predicted .

第四部分对油底壳的结构和阻尼进行改进和调整，计算改进后发动机油底壳结构的噪声辐射，为改进后的油底壳结构降低辐射噪声提供依据。

In the fourth part , the structure and damp of the oil pan is modified and adjusted . The modified noise field is figured out . This is the basement of the noise radiation on oil pan .

并以某发动机油底壳为例，把截面分析结果与三维分析结果、实验结果进行对比，验证了截面分析技术的可行性和高效性。

With an oil pan used in car as an example , the result of section analysis is compared with the results of 3D analysis and experiment . The feasibility and efficiency of the section analysis technology is verified .

传感器最佳位置是在曲轴轴承正对的发动机两侧或油底壳处。

The optimal positions of the vibration sensor should be located on both sides of the crank-shaft bearing or bottom of the engine .

综合运用吸声、隔声、阻尼等噪声控制策略，合理选用材料分别对发动机舱、发动机罩、油底壳等处进行降噪处理，以达到降低发动机辐射噪声的目的。

Based on the controlling methods of sound absorption , sound insulation and damp , we take rational use of some materials to control the radiating noise from the engine room , engine cover , and oil sump tank and so on .

通过对发动机右侧面及油底壳的噪声、振动及辐射效率的比较，说明了辐射效率对辐射噪声的影响。

This paper describes the influence of radiated efficiency on radiated noise comparing noise , vibration and radiated efficiency of the right side of the engine with these of the sump .