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 …

A review on dynamic characteristics of blade–casing rubbing

H Ma, F Yin, Y Guo, X Tai, B Wen - Nonlinear Dynamics, 2016 - Springer
Blade–casing interaction/rubbing can occur under the small blade-tip clearance, which may
lead to the rubbing damage, excessive wear of the abradable coating, and efficiency loss …

Modal characteristics of a flexible dual-rotor coupling system with blade crack

ZY Wu, H Yan, LC Zhao, G Yan, A Chen… - Journal of Sound and …, 2023 - Elsevier
Rotating blade is highly susceptible to cracking in harsh conditions, which seriously affects
the dynamic characteristics of the power equipment. Existing research focuses primarily on …

Nonlinear vibration and dynamic stability analysis of rotor-blade system with nonlinear supports

B Li, H Ma, X Yu, J Zeng, X Guo, B Wen - Archive of Applied Mechanics, 2019 - Springer
A dynamic model of a rotor-blade system is established considering the effect of nonlinear
supports at both ends. In the proposed model, the shaft is modeled as a rotating beam …

Blade dynamic strain non-intrusive measurement using L1/2-norm regularization and transmissibility

C Ao, B Qiao, L Chen, J Xu, M Liu, X Chen - Measurement, 2022 - Elsevier
Dynamic strain measurement is critical in blade vibration monitoring for evaluating the
residual life and health condition of rotating blades. Blade tip time (BTT) is recognized as a …

Nonlinear vibration response analysis of a rotor-blade system with blade-tip rubbing

H Ma, F Yin, Z Wu, X Tai, B Wen - Nonlinear Dynamics, 2016 - Springer
An improved rotor-blade dynamic model is developed based on our previous works (Ma et
al. in J Sound Vib, 337: 301–320, 2015; J Sound Vib 357: 168–194, 2015). In the proposed …

Dynamic coupling vibration of rotating shaft–disc–blade system—Modeling, mechanism analysis and numerical study

L Yang, Z Mao, X Chen, R Yan, J Xie, H Hu - Mechanism and Machine …, 2022 - Elsevier
This study aims at revealing the coupling vibration mechanism of RSDB system. First, a
comprehensive coupling dynamic model of RSDB system including the shaft bending, shaft …

Physical constraints fused equiangular tight frame method for blade tip timing sensor arrangement

S Wu, Z Zhao, Z Yang, S Tian, L Yang, X Chen - Measurement, 2019 - Elsevier
Abstract Blade Tip Timing (BTT) method is increasingly implemented for rotating blade
health monitoring for its non-contact property. However, the BTT data is usually highly …

Partial similitude for dynamic characteristics of rotor systems considering gravitational acceleration

Z Luo, L Li, F He, X Yan - Mechanism and Machine Theory, 2021 - Elsevier
In practical engineering, gravitational acceleration cannot be scaled (λ g= 1), which is not
considered in the existing similitude studies of rotor systems. In this paper, a restriction in …

Nonlinear dynamic behavior of rotating blade with breathing crack

L Yang, Z Mao, S Wu, X Chen, R Yan - Frontiers of Mechanical …, 2021 - Springer
This study aims at investigating the nonlinear dynamic behavior of rotating blade with
transverse crack. A novel nonlinear rotating cracked blade model (NRCBM), which contains …