August 19, 2025WaterOpen Access

Research on the Energy Distribution of Hump Characteristics Under Pump Mode in a Pumped Storage Unit Based on Entropy Generation Theory

View Full Paper

Ask AI

Bookmark

Up to 86% of energy dissipation in the hump zone relates to the runner and guide vane assembly, indicating significant loss areas.
SST k-ω turbulence model employed in CFD simulations reveals flow oscillations contribute to energy loss in unstable operating conditions.
Model testing iterations validate findings, showing that flow separation escalates losses in the runner’s bladeless area amid varying flow rates.
Interaction of adverse flow patterns, such as vortices, exacerbates energy dissipation at the pump-turbine passage walls, highlighting operational risks.

Discussion

No takes yet. Share an insight, caveat, or question.

This research demonstrates energy loss patterns in pumped storage units, indicating critical flow oscillations affecting turbine performance.

Fang et al. (2025) studied this question.

View Full Paper

Ask AI

Bookmark

This research demonstrates energy loss patterns in pumped storage units, indicating critical flow oscillations affecting turbine performance.