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Book Cover
E-book
Author Zheng, Xianghao, author

Title Flow-induced instabilities of reversible pump turbines / Xianghao Zheng, Yuning Zhang, Yuning Zhang, Jinwei Li
Published Cham : Springer, [2022]
©2022

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Description 1 online resource (xii, 96 pages) : illustrations (some color)
Series SpringerBriefs in energy, 2191-5539
SpringerBriefs in energy. 2191-5539
Contents Introduction -- Generation Mechanisms of Typical Unstable Flows -- Flow-induced Pressure Fluctuations and Vibrations in Generating Mode -- Flow-induced Transient Pressure Fluctuations During Start-up Process of Pumping Mode -- Evaluation of Operational Stability of Main Shaft -- Intelligent Recognition of Flow-induced Vibration Faults -- Conclusions
Summary This brief provides a comprehensive introduction on the flow-induced instabilities (e.g., the pressure fluctuations and the vibrations) of the reversible pump turbines (RPTs) in the pumped hydro energy storage power stations (PHSEPSs) in China based on long-term field tests. The pressure fluctuations and the vibrations of several RPTs in China under different operational conditions are analysed in detail to reveal their generation mechanisms and propagation characteristics. The book presents advanced signal analysis and processing methods which are used for obtaining the time-frequency information and for finding the internal correlations between several types of signals. Advanced artificial intelligence algorithms are adopted for understanding the effective fault diagnosis and the identification of different flow patterns. The book overviews the fundamentals of the RPTs and the signal analysis methods, while it demonstrates that the analysis results of the pressure fluctuation and vibration data may be employed for the calibration of numerical simulations and the comparisons of model tests. It is primarily targeted to researchers and engineers working on the fields of condition monitoring and fault diagnosis of hydraulic machineries
Bibliography Includes bibliographical references and index
Notes Online resource; title from PDF title page (SpringerLink, viewed November 3, 2022)
Subject Pump turbines -- Performance.
Hydraulics.
hydraulics.
Hydraulics
Pump turbines -- Performance
Form Electronic book
Author Zhang, Yuning, (Of North China Electric Power University), author
Zhang, Yuning, (Of China University of Petroleum-Beijing), author
Li, Jinwei, author
ISBN 9783031180576
3031180577