Investigation of hydraulic losses in different clocking positions of pump-turbine in pump mode

Zhang, Yang; Jiang, Wei; Feng, Wei; Jia, Qifeng; Wang, Yuchuan; Chen, Diyi

doi:10.1016/j.est.2024.110459

Journal of Energy Storage

2024

DOI: 10.1016/j.est.2024.110459

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Investigation of hydraulic losses in different clocking positions of pump-turbine in pump mode

Yang Zhang,

Wei Jiang,

Wei Feng

et al.

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2024

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Cited by 2 publications

References 27 publications

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Energy performance and flow characteristics of a pump-turbine under pump mode at different guide vane openings

Xie,

Luo,

Feng

et al. 2024

Journal of Energy Storage

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Energy performance and flow characteristics of a pump-turbine under pump mode at different guide vane openings

Xie,

Luo,

Feng

et al. 2024

Journal of Energy Storage

View full text Add to dashboard Cite

Synergy effects of cavitation and particle erosion based on the Erosion/Corrosion Research Center erosion model

Nan,

Han,

et al. 2024

Physics of Fluids

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This study presents a new synergy model that incorporates the accelerated motion of particles resulting from bubble collapse. The model uses the Erosion/Corrosion Research Center erosion model to predict the combined effect of cavitation and particle erosion on wall surfaces. The results show that, compared with the conventional erosion model, the synergy model reduces the error in the erosion mass loss by up to 24.60%. The significant improvement in prediction accuracy confirms the effectiveness of the synergy model. The severity of sample erosion is positively correlated with the cavitation-inducer angle. The synergy effect leads to an increase in the extent and severity of erosion. Smaller particles demonstrate a more pronounced synergy effect, resulting in significantly accelerated motion and a highly concentrated particle distribution. High erosion rates are associated with high-speed impacts and small-angle impact zones, primarily caused by high-speed cutting erosion. This study presents a novel prediction method for exploring the synergy effect of cavitation and particles on wall erosion and investigates the motion characteristics of particles under this effect.

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Investigation of hydraulic losses in different clocking positions of pump-turbine in pump mode

Cited by 2 publications

References 27 publications

Energy performance and flow characteristics of a pump-turbine under pump mode at different guide vane openings

Energy performance and flow characteristics of a pump-turbine under pump mode at different guide vane openings

Synergy effects of cavitation and particle erosion based on the Erosion/Corrosion Research Center erosion model

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