Nonlinear transient analysis of water lubricated bearing in the turbulent regime

R Mallya, R Pai, S Shenoy Baloor - Scientific Reports, 2024 - nature.com
Influence of turbulence on the stability characteristics of a water lubricated journal bearing is
analyzed. Locus of the journal centre is plotted using the non–linear transient analysis …

Nonlinear dynamic behaviors of a rod fastening rotor supported by fixed–tilting pad journal bearings

D Hei, Y Lu, Y Zhang, Z Lu, P Gupta, N Müller - Chaos, Solitons & Fractals, 2014 - Elsevier
A rod fastening rotor with the fixed–tilting pad journal bearings support is modeled. The rotor
is connected by rods, where the rods and connection surfaces of disks are considered as …

Nonlinear dynamic behaviors of rod fastening rotor-hydrodynamic journal bearing system

D Hei, Y Lu, Y Zhang, F Liu, C Zhou… - Archive of Applied …, 2015 - Springer
The model of a rod fastening rotor-finite length journal bearing system is established in this
paper. The contact surfaces between the disks and rods are modeled as bending resistance …

Elastohydrodynamic lubrication analysis of a compliant journal bearing considering static and dynamic deformations of the bearing liner

M Lahmar, S Ellagoune, B Bou-Saïd - Tribology Transactions, 2010 - Taylor & Francis
In this article, the effect of both static and dynamic deformations of the bearing liner on the
dynamic performance characteristics and stability of a water-lubricated, rubber-lined journal …

Bifurcation and chaos analysis of a flexible rotor supported by turbulent long journal bearings

CW Chang-Jian, CK Chen - Chaos, Solitons & Fractals, 2007 - Elsevier
For a more precise description of rotor–bearing system, a nonlinear supported model is
proposed in this paper, where a linear damping, a nonlinear elastic restoring force and a …

Elastohydrodynamic analysis of double-layered journal bearings lubricated with couple-stress fluids

M Lahmar - Proceedings of the Institution of Mechanical …, 2005 - journals.sagepub.com
Elastohydrodynamic (EHD) analysis of a journal bearing with a realistic model for the
bearing made of two distinct layers is extended to include couple-stress effects in lubricants …

Chaos of rub–impact rotor supported by bearings with nonlinear suspension

CW Chang-Jian - Tribology International, 2009 - Elsevier
The nonlinear dynamic analysis of the rotor–bearing system is studied in this paper and is
supported by oil-film short bearings with nonlinear suspension. An observation of a …

A method for variable pressure load estimation in spur and helical gear pumps

M Battarra, E Mucchi - Mechanical Systems and Signal Processing, 2016 - Elsevier
A systematic procedure is proposed to determine variable excitation loads coming from
pressure evolution inside tooth spaces in external gear pumps. Pressure force and torque …

Nonlinear dynamic behavior of circumferential rod fastened rotor with initial thermal deflection

J Li, Y Li, L Cui, G Mo, W Zhong, Y Feng - Journal of Vibration Engineering …, 2021 - Springer
Purpose The rod fastened rotor-bearing system is widely used in heavy duty gas turbine.
Under hot start condition, the rotor would produce the initial thermal deflection, the …

Bifurcation and chaos of a flexible rotor supported by turbulent journal bearings with non-linear suspension

CW Chang-Jian, CK Chen - Proceedings of the Institution of …, 2006 - journals.sagepub.com
This study presents a dynamic analysis of a rotor supported by two turbulent model journal
bearings with non-linear suspension. The dynamics of the rotor centre and bearing centre …