A comprehensive review on mechanical failures cause vibration in the gas turbine of combined cycle power plants

ATWK Fahmi, KR Kashyzadeh, S Ghorbani - Engineering Failure Analysis, 2022 - Elsevier
The vibration phenomena which occur in rotary machines, such as power plants, can result
in catastrophic consequences. Any failure in any power plant section can result in extended …

The numerical modeling of rotor–stator rubbing in rotating machinery: a comprehensive review

K Prabith, IRP Krishna - Nonlinear Dynamics, 2020 - Springer
The rotor–stator rubbing in rotating machinery generated as a consequence of rotor
imbalance, shaft misalignment, and casing deformation is a potential threat to the machinery …

[图书][B] Rotor systems: analysis and identification

R Tiwari - 2017 - taylorfrancis.com
The purpose of this book is to give a basic understanding of rotor dynamics phenomena with
the help of simple rotor models and subsequently, the modern analysis methods for real life …

Rotor to stator contacts in turbomachines. Review and application

G Jacquet-Richardet, M Torkhani, P Cartraud… - … Systems and Signal …, 2013 - Elsevier
The safety of turbomachines requires controlling the risks caused by contacts occurring
between fixed and rotating parts. Undesirable phenomena induced by bladed wheel/casing …

Experimental observation of nonlinear vibrations in a rub-impact rotor system

F Chu, W Lu - Journal of Sound and Vibration, 2005 - Elsevier
An experimental setup is installed to simulate the rotor-to-stator rub of the rotor system. A
special structure of stator is designed that can simulate the condition of the full rub. The …

Detection of the rubbing-caused impacts for rotor–stator fault diagnosis using reassigned scalogram

ZK Peng, FL Chu, WT Peter - Mechanical systems and signal processing, 2005 - Elsevier
Impacts generated from the surface of a stator rubbing against the surface of a rotor during
its rotation is a common defective phenomenon which often occurs in a rotating machine …

The coupled bending-torsional dynamic behavior in the rotating machinery: modeling, simulation and experiment validation

Q Li, C Chen, S Gao, Y Ren, W Wang - Mechanical Systems and Signal …, 2022 - Elsevier
The nonlinear coupling between bending and torsional vibrations would greatly affect the
dynamic behavior of the rotor system. Different from the traditional way, in this paper the …

Nonlinear dynamics of a Jeffcott rotor with torsional deformations and rotor-stator contact

N Vlajic, AR Champneys, B Balachandran - International Journal of Non …, 2017 - Elsevier
The dynamics of a modified Jeffcott rotor is studied, including rotor torsional deformation and
rotor-stator contact. Conditions are studied under which the rotor undergoes either forward …

Coupled dynamic analysis of a heavily-loaded propulsion shafting system with continuous bearing-shaft friction

Z Zhang, N Duan, C Lin, H Hua - International Journal of Mechanical …, 2020 - Elsevier
This paper studies the friction-induced instability and nonlinear dynamics of a heavily-
loaded slow speed propulsion shafting subjected to the uninterrupted contact between the …

Coupled bending-torsional vibration analysis of rotor with rub and crack

TH Patel, AK Darpe - Journal of Sound and Vibration, 2009 - Elsevier
Rotor–stator rub and fatigue crack of the shafts are two important rotor faults. They have
detrimental effects on health and reliability of the rotating machinery. In this paper, modelling …