Nonlinear behaviors analysis of high-speed rotor system supported by aerostatic bearings

被引：15

作者：

Zhang, Jianbo ^{[1
]}

Han, Dongjiang ^{[2
]}

Xie, Zhongliang ^{[3
]}

Huang, Chao ^{[4
]}

Rao, Zhushi ^{[5
]}

Song, Mingbo ^{[1
]}

Su, Zhimin ^{[1
]}

机构：

[1] AECC Hunan Aviat Powerplant Res Inst, Zhuzhou 412002, Peoples R China

[2] Chinese Acad Sci, Inst Engn Thermophys, 11 North 4th Ring West Rd, Beijing 100190, Peoples R China

[3] Xidian Univ, Sch Mech Elect Engn, Xian 710071, Peoples R China

[4] AECC South Ind Co Ltd, Zhuzhou 412002, Peoples R China

[5] Shanghai Jiao Tong Univ, Inst Vibrat Shock & Noise, State Key Lab Mech Syst & Vibrat, Shanghai, Peoples R China

来源：

TRIBOLOGY INTERNATIONAL | 2022年 / 170卷

关键词：

Nonlinear vibration; Aerostatic bearing-rotor system; Transient Reynolds equation; Supply pressure; BIFURCATION-ANALYSIS; JOURNAL BEARINGS; DYNAMIC-BEHAVIOR; STABILITY; PERFORMANCE;

D O I：

10.1016/j.triboint.2021.107111

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

In the paper, the dynamic model of aerostatic bearing-rotor system combining rotor motion equation and transient Reynolds equation is established to study influences of rotational speed, unbalance, rotor mass and supply pressure on the nonlinear behaviors of rotor system. The results reveal abundant nonlinear phenomenon consisting of 3 T-periodic, 5 T-periodic and quasi-periodic motions. Furthermore, chosen proper unbalance, smaller rotor mass and larger supple pressure can control the nonlinear vibration and improve the system stability. The results provide a theoretical basis for a simple and feasible method to control the nonlinear vibration of rotor system by adjusting supply pressure.

引用

页数：14

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