Numerical simulation on the dynamic behavior of the bolt connecting the head-cover and stay ring in pumped storage unit

Zhao, Qiang; Luo, Yongyao; Cao, Jingwei; Cao, Jiali; Jin, Faye; Chen, Liu; Xu, Yapeng; Zhao, Yifeng

doi:10.1016/j.est.2023.110210

Journal of Energy Storage

2024

DOI: 10.1016/j.est.2023.110210

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Numerical simulation on the dynamic behavior of the bolt connecting the head-cover and stay ring in pumped storage unit

Qiang Zhao,

Yongyao Luo,

Jingwei Cao

et al.

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2024

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Cited by 2 publications

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Stability and safety study of pumped storage units based on time-shifted multi-scale cosine similarity entropy

Li,

Guo,

Xiao

et al. 2024

Journal of Energy Storage

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Stability and safety study of pumped storage units based on time-shifted multi-scale cosine similarity entropy

Li,

Guo,

Xiao

et al. 2024

Journal of Energy Storage

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A review of hydro-turbine unit rotor system dynamic behavior: Multi-field coupling of a three-dimensional model

Cao,

Luo,

Shi

et al. 2024

Physics of Fluids

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The dynamic behavior of hydro-turbine rotor system is a complex multi-field and nonlinear problem, which has been studied by many researchers. The analysis of the rotor system dynamic characteristics is usually carried out based on the behavior analysis of bearings, hydraulics, electromagnetics, etc., while the thermo-elasto-hydrodynamic characteristics of bearings are extremely important to numerical accuracy. Therefore, this paper first summarizes the research progress in bearing lubrication performance, and further summarizes the research on hydro-turbine rotor system dynamic characteristics, including the modal characteristics and dynamic response characteristics. Finally, this paper summarizes the main research progress of the hydro-turbine rotor system and proposes possible directions in future research. Literature review shows that the hydro-turbine runners and bearings have achieved multi-field coupling analysis of three-dimensional (3D) models, and some work on multi-field coupling of rotor systems has been carried out. The transition of 3D multi-field coupling from single component to rotor system is significant to accurately predict the rotor system dynamic characteristics and the solution of engineering problems, which requires further in-depth research on the multi-field coupling theory, numerical methods, 3D model integrity, simulation software, etc., and the spatiotemporal synergy between multi-fields should be fully considered.

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Numerical simulation on the dynamic behavior of the bolt connecting the head-cover and stay ring in pumped storage unit

Cited by 2 publications

References 22 publications

Stability and safety study of pumped storage units based on time-shifted multi-scale cosine similarity entropy

Stability and safety study of pumped storage units based on time-shifted multi-scale cosine similarity entropy

A review of hydro-turbine unit rotor system dynamic behavior: Multi-field coupling of a three-dimensional model

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