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首页> 外文期刊>Bulletin of the Polish Academy of Sciences. Technical Sciences >The vibration of prototype aircraft propeller speed reduction unit - test bench and FEM numerical simulation study
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The vibration of prototype aircraft propeller speed reduction unit - test bench and FEM numerical simulation study

机译:原型飞机螺旋桨减速装置的振动-试验台与有限元数值模拟研究。

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摘要

The results of torsional shaft vibration bench tests for a prototype aircraft propeller speed reduction unit are presented in this paper. The study was conducted as a function of engine speed and lubrication conditions. 3D model of the propeller speed reduction unit was developed. By using the finite element method, normal modes frequencies were defined. The simulation was conducted both unloaded and loaded under nominal power conditions.
机译:本文介绍了原型飞机螺旋桨减速装置的扭轴振动台架试验结果。该研究是根据发动机转速和润滑条件进行的。开发了螺旋桨减速器的3D模型。通过使用有限元方法,定义了正常模式的频率。该仿真是在标称功率条件下空载和加载时进行的。

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