A digital twin system for centrifugal pump fault diagnosis driven by transfer learning based on graph convolutional neural networks

Z Xu, Z Wang, C Gao, K Zhang, J Lv, J Wang, L Liu - Computers in Industry, 2024 - Elsevier
In industrial sectors such as shipping, chemical processing, and energy production,
centrifugal pumps often experience failures due to harsh operational environments, making …

Multi-cavitation states diagnosis of the vortex pump using a combined DT-CWT-VMD and BO-LW-KNN based on motor current signals

W Zeng, P Zhou, Y Wu, D Wu, M Xu - IEEE Sensors Journal, 2024 - ieeexplore.ieee.org
Vortex pumps play a crucial role in industrial and municipal settings by transferring high-
viscosity and particle-laden fluids. However, their performance and reliability are …

Analysis of the effect of cavitation on internal fluid excitation characteristics of centrifugal pumps

Y Wang, J Shao, H Zhang - Physics of Fluids, 2024 - pubs.aip.org
To explore the influence of cavitation on the internal fluid excitation characteristics of pumps,
numerical simulations and performance testing evaluations were performed on the IS65-50 …

[HTML][HTML] Numerical simulation study on opening blood–brain barrier by ultrasonic cavitation

W Lei, S Chang, F Tian, X Zou, J Hu, S Qian - Ultrasonics Sonochemistry, 2024 - Elsevier
Experimental studies have shown that ultrasonic cavitation can reversibly open the blood–
brain barrier (BBB) to assist drug delivery. Nevertheless, the majority of the present study …

[HTML][HTML] Towards spatio-temporal prediction of cavitating fluid flow with graph neural networks

R Gao, S Heydari, RK Jaiman - International Journal of Multiphase Flow, 2024 - Elsevier
In this article, we present a deep learning-based surrogate model for spatio-temporal
prediction of cavitating fluid flow. Specifically, we introduce a finite element-inspired rotation …

Optimization design of centrifugal pump cavitation performance based on the improved BP neural network algorithm

Y Wang, J Shao, F Yang, Q Zhu, M Zuo - Measurement, 2025 - Elsevier
A novel approach was proposed to tackle the problem of cavitation in centrifugal pumps
during operation, which resulted in reduced performance and equipment breakdown. By …

Hierarchical cavitation intensity recognition using Sub-Master Transition Network-based acoustic signals in pipeline systems

S Gou, Y Sha, B Liu, N Liu, J Fabe, S Schramm… - Expert Systems with …, 2024 - Elsevier
Deep learning (DL) has emerged as the most effective approach for cavitation intensity
recognition. However, current DL-based models face limitations due to the inherent …

[HTML][HTML] Experimental and numerical the effect of cavitation detection on hydraulic performance of the centrifugal pump based on different geometrical configurations

AR Al-Obaidi, AH Shaban - Journal of Engineering Research, 2024 - Elsevier
The cavitation phenomena and its experimental evaluation of hydraulic pump performance
are the subjects of this study. Both qualitative and quantitative assessments of a pump's flow …

Fault identification of centrifugal pump using WGAN-GP method with unbalanced datasets based on kinematics simulation and experimental case

Q Li, L Chu, Q Sun, Y Tang… - Measurement Science and …, 2024 - iopscience.iop.org
In practical engineering applications, the accuracy and stability of fault identification for
centrifugal pump will be significantly reduced due to unbalanced distribution between …

A novel data-driven method for augmenting turbulence modeling for unsteady cavitating flows

D Apte, N Razaaly, Y Fang, M Ge, R Sandberg… - arXiv preprint arXiv …, 2024 - arxiv.org
Cavitation is a highly turbulent, multi-phase flow phenomenon that manifests in the form of
vapor cavities as a result of a sudden drop in the liquid pressure. The phenomenon has …