Mechanism analysis of the abnormal head-cover vibration of an ultra-high-head pump-turbine operating in pump mode by CFD and FEM,Engineering Applications of Computational Fluid Mechanics

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Mechanism analysis of the abnormal head-cover vibration of an ultra-high-head pump-turbine operating in pump mode by CFD and FEM
Engineering Applications of Computational Fluid Mechanics ( IF 6.1 ) Pub Date : 2024-05-10 , DOI: 10.1080/19942060.2024.2351949
Song Xue ₁ , Haolin Tian ₁ , Yongguang Cheng ₁ , Xiaoxia Hou ₁ , Ziwu Guan ₂ , Weijia Yang ₁ , Zhiyuan Wang ₁ , Zhaoning Wang ₂ , Qiyuan He ₂

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Hydraulic excitation causes abnormal head-cover vibration in some pump-turbines, particularly as design heads continue to rise. Pump-turbines with heads exceeding 600 m have reported such vibration...

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