Nonlinear vibration response characteristics of a dual-rotor-bearing system with squeeze film damper

• Published in: Chinese journal of aeronautics Vol. 34; no. 10; pp. 128 - 147
• Main Authors: MA, Xinxing, MA, Hui, QIN, Haiqin, GUO, Xumin, ZHAO, Chenguang, YU, Mingyue
• Format: Journal Article
• Language: English
• Published: Elsevier Ltd 01.10.2021; Key Laboratory of Vibration and Control of Aero-Propulsion System Ministry of Education,Northeastern University,Shenyang 110819,China%Department of Aeronautical Mechanics,Naval Aeronautical and Astronautical University Qingdao Campus,Qingdao 266041,China%School of Mechanical Engineering and Automation,Northeastern University,Shenyang 110819,China; Institute of Vibration,Shock and Noise,Shanghai Jiao Tong University,Shanghai 200240,China%School of Mechanical Engineering and Automation,Northeastern University,Shenyang 110819,China; School of Mechanical Engineering and Automation,Northeastern University,Shenyang 110819,China
• Subjects: dual-rotor; finite element method; rolling bearing; squeeze film damper; vibration response; squeeze film damper; rolling bearing; finite element method; dual-rotor; vibration response

•The simulated linear dynamic model is verified by the experimental results.•Nonlinear computing model is dimension reduced.•Nonlinear vibration characteristics including amplitude jump phenomenon and the resonance hysteresis are analyzed.•Vibration absorption performance of squeeze film damper is e...