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Hydraulic Transients and Computations

  • Book
  • © 2020

Overview

Authors:
  1. Zh. Zhang

    1. Institute of Energy Systems and Fluid Engineering (IEFE), Zurich University of Applied Sciences (ZHAW), Winterthur, Switzerland

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  • Describes hydraulic transient computations in unprecedented detail
  • Enables engineers to make transient computations for their own programming
  • Includes a wealth of computational algorithms and application examples

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Table of contents (11 chapters)

  1. Front Matter

    Pages i-xii
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  2. Introduction

    • Zh. Zhang
    Pages 1-18

  3. Stationary Flows and Flow Regulations

    • Zh. Zhang
    Pages 19-39

  4. Transient Flows and Computational Methods

    • Zh. Zhang
    Pages 41-75

  5. Rigid Water Column Theory and Applications

    • Zh. Zhang
    Pages 77-102

  6. Surge Tank Functionality and System Stability

    • Zh. Zhang
    Pages 103-124

  7. Elastic Water Column Theory and Fundamentals

    • Zh. Zhang
    Pages 125-129

  8. Wave Tracking Method

    • Zh. Zhang
    Pages 131-193

  9. Method of Characteristics

    • Zh. Zhang
    Pages 195-206

  10. Method of Direct Computations and Transient Conformity

    • Zh. Zhang
    Pages 207-234

  11. Hydraulic Characteristics of Pumps and Turbines

    • Zh. Zhang
    Pages 235-272

  12. Application Examples of Complex Transient Computations

    • Zh. Zhang
    Pages 273-295

  13. Back Matter

    Pages 297-318
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Keywords

About this book

This book describes the fundamental phenomena of, and computational methods for, hydraulic transients, such as the self-stabilization effect, restriction of the Joukowsky equation, real relations between the rigid and elastic water column theories, the role of wave propagation speed, mechanism of the attenuation of pressure fluctuations, etc. A new wave tracking method is described in great detail and, supported by the established conservation and traveling laws of shockwaves, offers a number of advantages. The book puts forward a novel method that allows transient flows to be directly computed at each time node during a transient process, and explains the differences and relations between the rigid and elastic water column theories. To facilitate their use in hydropower applications, the characteristics of pumps and turbines are provided in suitable forms and examples. The book offers a valuable reference guide for engineers and scientists, helping them make transient computations for their own programming, while also contributing to the final standardization of methods for transient computations.

Authors and Affiliations

  • Institute of Energy Systems and Fluid Engineering (IEFE), Zurich University of Applied Sciences (ZHAW), Winterthur, Switzerland

    Zh. Zhang

About the author

Dr.-Ing. Zh. Zhang currently serves as senior engineer at the Institute of Energy Systems and Fluid Engineering of Zurich University of Applied Sciences (ZHAW), Winterthur, Switzerland. He received his PhD at the Institute of Thermo and Fluid Dynamics of Ruhr-University Bochum, Germany. Afterwards he joined Sulzer Markets & Technology Ltd in Winterthur, Switzerland for experimental research of engineering flows. He later joined the Oberhasli Hydroelectric Power Company (KWO), and eventually Rütschi Fluids AG. In 2015-2016 he served as visiting engineer at the Laboratory of Hydraulics, Hydrology and Glaciology of ETH Zurich.

Bibliographic Information

  • Book Title: Hydraulic Transients and Computations

  • Authors: Zh. Zhang

  • DOI: https://doi.org/10.1007/978-3-030-40233-4

  • Publisher: Springer Cham

  • eBook Packages: Engineering, Engineering (R0)

  • Copyright Information: The Editor(s) (if applicable) and The Author(s), under exclusive license to Springer Nature Switzerland AG 2020

  • Hardcover ISBN: 978-3-030-40232-7Published: 07 February 2020

  • Softcover ISBN: 978-3-030-40235-8Published: 07 February 2021

  • eBook ISBN: 978-3-030-40233-4Published: 06 February 2020

  • Edition Number: 1

  • Number of Pages: XII, 318

  • Topics: Engineering Fluid Dynamics, Machinery and Machine Elements, Fluid- and Aerodynamics, Hydrology/Water Resources

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