基于虚拟正交试验的压气机叶轮轴-毂径向微动特性研究(英文)

Radial fretting character research of the shaft-hub of compress impeller based on virtual orthogonal experiment

采用Pro/E建立压气机叶轮轴-毂三维模型,利用ANSYS软件采用子结构结合网格随移技术的分析方法,建立其有限元模型;采用虚拟正交试验方法对压气机叶轮轴-毂进行仿真,得出过盈量、摩擦系数、转速对最大单位摩擦功和平均摩擦功影响显著性次序及影响规律,从而得到最优组合。

A three-dimensional model of as haft-hub of compressor impeller was set up by Pro/E. Based on the ANSYS, the finite element model was established, using the analysis method of combining submodle and pa- ramesh. The shaft-hub of compressor impeller was simulated by virtual orthogonal design optimization method. Based on the fact that there existed radial fretting in the shaft-hub interference fit joint, researching the influence significance order and law of interference, friction coefficient and rotating speed to the maximum unit frictional work, the average friction work and the optimized parameter were obtained.