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Flow-induced instabilities of reversible pump turbines / Xianghao Zheng, Yuning Zhang, Yuning Zhang, Jinwei Li.

Zheng, Xianghao, author.; Zhang, Yuning (Of North China Electric Power University), author.; Zhang, Yuning (Of China University of Petroleum-Beijing), author.; Li, Jinwei, author.
2022
TJ873
Available Online
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Title
Flow-induced instabilities of reversible pump turbines / Xianghao Zheng, Yuning Zhang, Yuning Zhang, Jinwei Li.
Author
Zheng, Xianghao, author.
ISBN
9783031180576 (electronic bk.)
3031180577 (electronic bk.)
9783031180569
3031180569
DOI
https://doi.org/10.1007/978-3-031-18057-6
Published
Cham : Springer, [2022]
Copyright
©2022
Language
English
Description
1 online resource (xii, 96 pages) : illustrations (some color).
Item Number
10.1007/978-3-031-18057-6 doi
Call Number
TJ873
Dewey Decimal Classification
621.2/4
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, etc. Note
Includes bibliographical references and index.
Access Note
Access limited to authorized users.
Source of Description
Online resource; title from PDF title page (SpringerLink, viewed November 3, 2022).
Added Author
Zhang, Yuning (Of North China Electric Power University), author.
Zhang, Yuning (Of China University of Petroleum-Beijing), author.
Li, Jinwei, author.
Series
SpringerBriefs in energy.
Available in Other Form
Print version: 9783031180569
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Online Access
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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.

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