Computational methods of erosion wear in centrifugal pump: A state-of-the-art review

MA El-Emam, L Zhou, E Yasser, L Bai, W Shi - Archives of Computational …, 2022‏ - Springer
Erosion wear of the centrifugal pump components is considered one of the principal hurdles
for pum** and transporting the particle-fluid flow in the hydraulic system. Although the …

[HTML][HTML] Numerical simulation of cavitation-vortex interaction mechanism in an advanced rotational hydrodynamic cavitation reactor

G **a, W You, S Manickam, JY Yoon, X Xuan… - Ultrasonics …, 2024‏ - Elsevier
Hydrodynamic cavitation (HC), a promising technology for enhancing processes, has shown
distinct effectiveness and versatility in various chemical and environmental applications. The …

Energy loss mechanisms of transition from pump mode to turbine mode of an axial-flow pump under bidirectional conditions

K Kan, Z Xu, H Chen, H Xu, Y Zheng, D Zhou… - Energy, 2022‏ - Elsevier
Pump-as-turbine stations with ultra-low head often face the deterioration risk during load
rejection operations when the demands in water delivery and power generation are …

Energy performance evaluation of an axial-flow pump as turbine under conventional and reverse operating modes based on an energy loss intensity model

K Kan, F Zhao, H Xu, J Feng, H Chen, W Liu - Physics of Fluids, 2023‏ - pubs.aip.org
As a low-cost scheme for small-scale hydropower generation, pump as turbines (PATs) are
used at different hydrosites around the world. Nevertheless, a big number of recently …

Rotating stall mechanism of pump-turbine in hump region: An insight into vortex evolution

L Xu, K Kan, Y Zheng, D Liu, M Binama, Z Xu, X Yan… - Energy, 2024‏ - Elsevier
Abstract Reversible Pump Turbines (RPTs) are primarily used in pumped-storage
hydropower plants, enabling the facility to function in both pump and turbine modes. Under …

Large eddy simulation of turbulent wake flow around a marine propeller under the influence of incident waves

K Kan, H Li, Z Yang - Physics of Fluids, 2023‏ - pubs.aip.org
In practical applications, propellers often operate beneath incident waves. To investigate the
effects of waves on turbulent propeller wakes, a comparative study of the instantaneous flow …

Numerical investigation of hydraulic instability of pump-turbines in fast pump-to-turbine transition

X Yan, F Zhang, Y Zheng, K Kan, M Rossi - Journal of Energy Storage, 2024‏ - Elsevier
The fast pump-to-turbine transition of a pumped storage unit is highly responsive to electrical
power system regulation demands and is a critical process for the unit itself. The correct …

High-resolution remote sensing image segmentation framework based on attention mechanism and adaptive weighting

Y Liu, Q Zhu, F Cao, J Chen, G Lu - ISPRS International Journal of Geo …, 2021‏ - mdpi.com
Semantic segmentation has been widely used in the basic task of extracting information from
images. Despite this progress, there are still two challenges:(1) it is difficult for a single-size …

Mechanism of the influence of sand on the energy dissipation inside the hydraulic turbine under sediment erosion condition

X Song, Y Luo, Z Wang - Energy, 2024‏ - Elsevier
Sediment erosion can lead to a general decrease in hydraulic performance of hydraulic
turbines and an increase in energy dissipation. In this paper, aiming the characteristics of SE …

Effects of clearance and operating conditions on tip leakage vortex-induced energy loss in an axial-flow pump using entropy production method

K Kan, H Li, H Chen, H Xu… - Journal of Fluids …, 2023‏ - asmedigitalcollection.asme.org
Tip leakage flow (TLF) is a typical flow phenomenon in the internal flow of axial-flow pumps
that has a serious impact on their safety and stability. In this study, numerical simulations are …