Vibration control and stability analysis of rotor-shaft system with electromagnetic exciters

AS Das, MC Nighil, JK Dutt, H Irretier - Mechanism and Machine Theory, 2008 - Elsevier
Reduction of rotor vibration is very important for safe and efficient functioning of all rotating
machines. This paper proposes an active vibration control scheme for controlling transverse …

Squeeze film dampers supporting high-speed rotors: rotordynamics

S Hamzehlouia, K Behdinan - Proceedings of the Institution …, 2021 - journals.sagepub.com
This work develops a finite element based multi-mass flexible rotor model for theoretical
investigation of the influence of the squeeze film damper lubricant inertia on the unbalance …

Bifurcation analysis of rotor–squeeze film damper system with fluid inertia

H Chen, Y Chen, L Hou, Z Li - Mechanism and Machine Theory, 2014 - Elsevier
This paper focuses on the bifurcation behaviors of a rigid rotor–squeeze film damper system
considering the effect of fluid inertia. The equations of motion of the system are formulated …

Squeeze Film Dampers Executing Small Amplitude Circular‐Centered Orbits in High‐Speed Turbomachinery

S Hamzehlouia, K Behdinan - International Journal of …, 2016 - Wiley Online Library
This work represents a pressure distribution model for finite length squeeze film dampers
(SFDs) executing small amplitude circular‐centered orbits (CCOs) with application in high …

Comprehensive experimental analysis of a squeeze film damper for flexible rotor applications: utilizing box–Behnken design with desirability optimization

RK Gupta, RC Singh - Journal of Vibration Engineering & Technologies, 2024 - Springer
Purpose This study focuses on the development of a squeeze film damper (SFD) for
reducing the vibration amplitudes of high-speed rotating shafts. The effects of SFD process …

Optimal vibration control of rotors with an open edge crack using an electromagnetic actuator

A Ebrahimi, M Heydari… - Journal of Vibration and …, 2018 - journals.sagepub.com
Vibration control, especially in cracked rotors, is an important factor that can prevent the
occurrence of disastrous failures. In this paper, vibrational control of a cracked rotor with an …

Modeling and control of HSFDs for active control of rotor-bearing systems

A El-Shafei, JP Hathout - 1995 - asmedigitalcollection.asme.org
This paper summarizes the development of hybrid squeeze film dampers (HSFDs) for active
control of rotor vibrations. Previously, it was shown both theoretically and experimentally that …

Damping and added mass coefficients for a squeeze film damper using the full 3-D Navier–Stokes equation

C Xing, MJ Braun, H Li - Tribology International, 2010 - Elsevier
Direct and cross-coupled damping coefficients are developed for the 2π-film, π-film (Gumbel
cavitation condition) and homogeneous two-phase mixture films in a squeeze film damper …

Chebyshev polynomials fits for efficient analysis of finite length squeeze film damped rotors

FA Rodrigues, F Thouverez… - J. Eng. Gas …, 2003 - asmedigitalcollection.asme.org
The nonlinear behavior of the hydrodynamic forces generated by squeeze film dampers
makes dynamical analyses of rotor-bearing systems incorporating such devices a complex …

Modeling fluid inertia forces of short journal bearings for rotordynamic applications

A El-Shafei - 1995 - asmedigitalcollection.asme.org
It has been recently suggested that fluid inertia may play an important role in the dynamic
behavior of rotors supported on journal bearings. This paper presents a model for fluid …