HIGHLIGHTS
- who: Xiangyang Li and colleagues from the Department of Energy and Power Engineering, Tsinghua University, Beijing, China have published the Article: Effect of Operating Head on Dynamic Behavior of a Pump-Turbine Runner in Turbine Mode, in the Journal: Energies 2022, 4004 of /2022/
- what: A study on the dynamic stress characteristics of a Francis turbine runner show that dynamic stress is one of the main reasons for fatigue and cracking of the blade . This work aims to reveal the effect of operating head on the dynamic response characteristics of a pump-turbine runner.

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