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

MA **nxing, MA Hui, QIN Haiqin, GUO Xumin… - Chinese Journal of …, 2021 - Elsevier
Abstract Rolling bearing and Squeeze Film Damper (SFD) are used in rotor support
structures, and most researches on the nonlinear rotor-bearing system are focused on the …

Research progress on vibration monitoring and fault diagnosis for aero-engine

HU Minghui, GAO **ji, Z JIANG, W Weimin… - Acta Aeronautica et …, 2024 - sciopen.com
Aeroengine amalgamates state-of-the-art technologies across diverse domains, serving as a
comprehensive manifestation of a nation's prowess in science and industry. Frequent …

[HTML][HTML] The efficient computation of the nonlinear dynamic response of a foil–air bearing rotor system

P Bonello, HM Pham - Journal of Sound and Vibration, 2014 - Elsevier
The foil–air bearing (FAB) enables the emergence of oil-free turbomachinery. However, its
potential to introduce undesirable nonlinear effects necessitates a reliable means for …

Nonlinear responses and bifurcations of a rotor-bearing system supported by squeeze-film damper with retainer spring subjected to base excitations

X Chen, X Gan, G Ren - Nonlinear Dynamics, 2020 - Springer
A high-speed rotating rotor system mounted on a moving vehicle is inevitably subjected to
parametric excitations and exciting forces induced by base motions. Dynamic characteristics …

Dynamic modeling and nonlinear analysis of a rotor system supported by squeeze film damper with variable static eccentricity under aircraft turning maneuver

X Chen, X Gan, G Ren - Journal of Sound and Vibration, 2020 - Elsevier
A high-speed rotating rotor system mounted on an aircraft is inevitably induced by
parametric excitations, inertial forces and gyroscopic moments caused by maneuvering …

Computational prediction of structure-borne noise in a two-stage double-helical gearbox using harmonic balance method

A Beinstingel, S Schabert, M Heider… - … Systems and Signal …, 2023 - Elsevier
The acoustics of gearboxes contribute as a quality feature to the success of a gear design by
increasing consumer satisfaction. Particularly in special machine engineering, ensuring …

航空发动机整机动力学模型建立与振动特性分析

张大义, 刘烨辉, 洪杰, 马艳红 - 推进技术, 2015 - jpt.tjjsjpt.com
针对航空发动机的转子/整机动力学问题, 使用两自由度动力学模型对转, 静子的振动耦合机理
进行了解释, 指出传统转子动力学模型将导致最大67% 的计算误差, 因此需要采用整机动力学 …

A fully coupled air foil bearing model considering friction–Theory & experiment

S von Osmanski, JS Larsen, IF Santos - Journal of Sound and Vibration, 2017 - Elsevier
The dynamics of air foil bearings (AFBs) are not yet fully captured by any model. The recent
years have, however, seen promising results from nonlinear time domain models, and …

Nonlinear vibration response of a complex aeroengine under the rubbing fault

J Liu, Q Fei, S Wu, Z Tang, D Zhang - Nonlinear Dynamics, 2021 - Springer
Rolling bearing and squeeze film damper will introduce structural nonlinearity into the
dynamic model of aeroengine. Rubbing will occur due to the clearance reduction design of …

A general dynamic model coupled with EFEM and DBM of rolling bearing-rotor system

Y Li, H Cao, K Tang - Mechanical Systems and Signal Processing, 2019 - Elsevier
Rolling bearing–rotor systems are the key components of many rotational machines.
Accurately modeling the bearing–rotor system is of great importance to system design, fault …