Self-excited vibration analysis of spline rotor systems considering parallel and angular misalignments

被引：6

作者：

Huang, Wenkang ^{[1
]}

Liu, Zimeng ^{[1
]}

Ma, Hui ^{[1
,2
]}

Zhu, Haimin ^{[3
]}

Zeng, Yao ^{[4
]}

Chen, Yanyan ^{[4
]}

Guan, Hong ^{[1
]}

机构：

[1] Northeastern Univ, Sch Mech Engn & Automat, Shenyang 110819, Liaoning, Peoples R China

[2] Northeastern Univ, Key Lab Vibrat & Control Aeroprop Syst Minist Educ, Shenyang 110819, Liaoning, Peoples R China

[3] Changshu Inst Technol, Sch Automot Engn, Changshu 215500, Peoples R China

[4] AECC Sichuan Gas Turbine Res Inst, Chengdu 610500, Peoples R China

来源：

TRIBOLOGY INTERNATIONAL | 2024年 / 198卷

基金：

中国国家自然科学基金;

关键词：

Spline rotor system; Misalignment; Self-excited vibration; Internal friction damping; MESH STIFFNESS MODEL; TOOTH DEFLECTIONS; SPUR GEARS; BODY; BEARING;

D O I：

10.1016/j.triboint.2024.109920

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

To address the instability phenomenon of aerospace splines at supercritical speed, the law of self-excited vibration (SEV) phenomenon of rotor systems considering parallel and angular misalignments is systematically investigated. The finite element model (FEM) of a rotor system is developed, incorporating spline internal friction damping. The spline is modeled by a nonlinear time-varying stiffness theory derived from the slicing method and the penalty function method. The parallel and angular misalignments are considered in the nonlinear time-varying stiffness model. The effects of the misalignment on critical speed (CS) and SEV of systems are analyzed. Moreover, the validity of the proposed spline rotor dynamic model is established through a comparison between simulation and experimental results.

引用

页数：14

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