Review on fluid forces and their action on centrifugal pump impeller

J Singh, AW Hashmi - International Journal on Interactive Design and …, 2024 - Springer
This review paper examines the complex dynamics of impellers in centrifugal pumps, with a
particular focus on the crucial role that Computational Fluid Dynamics (CFD) plays in …

Research on running status monitoring and rotating blade crack detection of large-scale centrifugal compressor based on blade tip timing technique

Z Fan, H Li, H Cao, J Dong - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
The impeller is one of the core components of a large-scale centrifugal compressor, and its
performance directly affects the stability and safety of the centrifugal compressor. The non …

An improved mistuning identification and dynamic strain prediction method for rotating blades with application of blade tip timing technology

Z Fan, H Li, J Dong, D Wei, H Cao, Y Chen - Mechanical Systems and …, 2023 - Elsevier
Blade tip timing (BTT) is the most effective technique for vibration monitoring of rotating
blades. The research of dynamic characteristics and forced responses of the blisk is crucial …

Non-contact measurement of blade vibration in an axial compressor

R Przysowa, P Russhard - Sensors, 2019 - mdpi.com
Complex blade responses such as a rotating stall or simultaneous resonances are common
in modern engines and their observation can be a challenge even for state-of-the-art tip …

Error revising of blade tip-timing parameter identification caused by frequency sweep rate

F Zhi, F Duan, M Liu, G Niu, J Jiao, Z Deng, J Jiang… - Measurement, 2022 - Elsevier
Blade tip-timing (BTT) is a rotating blade vibration measurement technology. It is a universal
and effective method to acquire blade tip displacement data by frequency sweep and …

Blade vibration measurement and numerical analysis of a mistuned industrial impeller in a single-stage centrifugal compressor

X Zhao, H Li, S Yang, Z Fan, J Dong, H Cao - Journal of Sound and …, 2021 - Elsevier
Understanding and predicting the dynamical behavior of the impeller structure under
realistic condition is vital for resonance-free and reliable design. This paper presents a novel …

An improved blade vibration difference-based two-parameter plot method for synchronous vibration parameter identification of rotating blades

H Li, Z Fan, J Dong, Y Chen, H Cao, D Wei - Measurement, 2023 - Elsevier
Synchronous vibration parameter identification is the key issue for the status monitoring and
health management of rotating blades. The traditional two-parameter plot (2PP) method is …

An improved multiple per revolution-based blade tip timing method and its applications on large-scale compressor blades

Z Fan, H Li, J Dong, X Zhao - Mechanical Systems and Signal Processing, 2022 - Elsevier
Abstract Blade Tip Timing (BTT) is one of the most effective technologies for blade vibration
measurement of turbomachinery. The blade vibration measurement indicates the …

Intelligent identification of rotating stall for centrifugal compressor based on pressure pulsation signals and SDKAE network

LI Hongkun, J Ou, X Zhao, H Cao… - Journal of Dynamics …, 2022 - ojs.istp-press.com
Most accidents of centrifugal compressors are caused by fluid pulsation or unsteady fluid
excitation. Rotating stall, as an unstable flow phenomenon in the compressor, is a difficult …

Comparison of empirical mode decomposition and singular spectrum analysis for quick and robust detection of aerodynamic instabilities in centrifugal compressors

M Stajuda, D García Cava, G Liśkiewicz - Sensors, 2022 - mdpi.com
Aerodynamic instabilities in centrifugal compressors are dangerous phenomena affecting
machine efficiency and in severe cases leading to failure of the compressing system. Quick …