August 1, 2025Physics of FluidsOpen Access

Hydrodynamic simulation and investigation on the pumping reliability of a mixed pumped-storage power station

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Pumping reliability is significantly affected by hydrodynamic issues, especially the pumping funnel, leading to a water level drop during operations.
Analysis of the Lianghekou mixed pumped-storage power station identifies a 5% flow deviation threshold, limiting continuous pumping to 6.8 hours.
Dual hydrodynamic models, MIKE 21 and HEC-RAS, were used to evaluate impacts of layout and operational conditions on pumping duration.
Engineering interventions can mitigate funnel formation, suggesting that hydraulic design is crucial for reliability in complex systems.

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Simulation reveals pumping reliability impacts in mixed pumped-storage power stations, indicating design optimizations are essential.

Li et al. (2025) studied this question.

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