Effect of Guide Vane Opening on Flow Distortion and Impeller Stress in a Pump-Turbine Under Extremely Low-Head Conditions

Effect of Guide Vane Opening on Flow Distortion and Impeller Stress in a Pump-Turbine Under Extremely Low-Head Conditions

Under extremely low-head conditions, the performance and stability of pump-turbine units are strongly influenced by the flow distortion caused by variations in guide vane opening. In this study, a pump-turbine model—representative of a domestic pumped storage power station—was investigated through a...

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Bibliographic Details
Main Authors: Xiangyu Chen, Qifei Li, Lu Xin, Shiang Zhang, Mingjie Cheng, Tianding Han
Format: Article
Language:English
Published: MDPI AG 2025-05-01
Series:Energies
Subjects:
abnormally low-head
pump-turbine
turbulent kinetic energy
pressure pulsation
runner stress
Online Access:https://www.mdpi.com/1996-1073/18/10/2576
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