Analysis and Modelling of Non-Steady Flow in Pipe and Channel Networks deals with flows in pipes and channel networks from the standpoints of hydraulics and modelling techniques and methods. These engineering problems occur in the course of the design and construction of hydroenergy plants, water-supply and other systems. In this book, the author presents his experience in solving these problems from the early 1970s to the present day. During this period new methods of solving hydraulic problems have evolved, due to the development of computers and numerical methods.
This book is accompanied by a website which hosts the author's software package, Simpip (an abbreviation of simulation of pipe flow) for solving non-steady pipe flow using the finite element method. The program also covers flows in channels. The book presents the numerical core of the SimpipCore program (written in Fortran).
Analysis and Modelling of Non-Steady Flow in Pipe and Channel Networks is an ideal reference book for engineers, practitioners and graduate students across engineering disciplines.
Key features
- Presents the theory and practice of modelling different flows in hydraulic networks.
- Takes a systematic approach and addresses the topic from the fundamentals.
- Presents numerical solutions based on finite element analysis.
- Accompanied by a website hosting supporting material including the SimpipCore project as a standalone program.
Contents
Chapter 1 Hydraulic Networks
- 1.1 Finite element technique
- 1.2 Unified hydraulic networks
- 1.3 Equation system
- 1.4 Boundary conditions
- 1.5 Finite element matrix and vector
- Reference
- Further reading
Chapter 2 Modelling of Incompressible Fluid Flow
- 2.1 Steady flow of an incompressible fluid
- 2.2 Gradually varied flow in time
- 2.3 Unsteady flow of an incompressible fluid
Chapter 3 Natural Boundary Condition Objects
- 3.1 Tank object
- 3.2 Storage
- 3.3 Surge tank
- 3.4 Vessel
- 3.5 Air valves
- 3.6 Outlets
Chapter 4 Water Hammer – Classic Theory
- 4.1 Description of the phenomenon
- 4.2 Water hammer celerity
- 4.3 Water hammer phases
- 4.4 Under-pressure and column separation
- 4.5 Influence of extreme friction
- 4.6 Gradual velocity changes
- 4.7 Influence of outflow area change
- 4.8 Real closure laws
- 4.9 Water hammer propagation through branches
- 4.10 Complex pipelines
- 4.11 Wave kinematics
Chapter 5 Equations of Non-steady Flow in Pipes
- 5.1 Equation of state
- 5.2 Flow of an ideal fluid in a streamtube
- 5.3 The real flow velocity profile
- 5.4 Control volume
- 5.5 Mass conservation, equation of continuity
- 5.6 Energy conservation law, the dynamic equation
- 5.7 Flow models
- 5.8 Characteristic equations
- 5.9 Analytical solutions
Chapter 6 Modelling of Non-steady Flow of Compressible Liquid in Pipes
- 6.1 Solution by the method of characteristics
- 6.2 Subroutine UnsteadyPipeMtx
- 6.3 Comparison tests
Chapter 7 Valves and Joints
- 7.1 Valves
- 7.2 Joints
- 7.3 Test example
Chapter 8 Pumping Units
- 8.1 Introduction
- 8.2 Euler’s equations of turbo engines
- 8.3 Normal characteristics of the pump
- 8.4 Dimensionless pump characteristics
- 8.5 Pump specific speed
- 8.6 Complete characteristics of turbo engine
- 8.7 Drive engines
- 8.8 Numerical model of pumping units
- 8.9 Pumping element matrices
- 8.10 Examples of transient operation stage modelling
- 8.11 Analysis of operation and types of protection against pressure excesses
- 8.12 Something about protection of sewage pressure pipelines
- 8.13 Pumping units in a pressurized system with no tank
Chapter 9 Open Channel Flow
- 9.1 Introduction
- 9.2 Steady flow in a mildly sloping channel
- 9.3 Uniform flow in a mildly sloping channel
- 9.4 Non-uniform gradually varied flow
- 9.5 Sudden changes in cross-sections
- 9.6 Steady flow modelling
- 9.7 Wave kinematics in channels
- 9.8 Equations of non-steady flow in open channels
- 9.9 Equation of characteristics
- 9.10 Initial and boundary conditions
- 9.11 Non-steady flow modelling
Chapter 10 Numerical Modelling in Karst
- 10.1 Underground karst flows
- 10.2 Conveyance of the karst channel system
- 10.3 Modelling of karst channel flows
- 10.4 Method of catchment discretization
- 10.5 Rainfall transformation
- 10.6 Discretization of karst catchment with diffuse and channel flow
Chapter 11 Convective-dispersive Flows
- 11.1 Introduction
- 11.2 A reminder of continuum mechanics
- 11.3 Hydrodynamic dispersion
- 11.4 Equations of convective-dispersive heat transfer
- 11.5 Exact solutions of convective-dispersive equation
- 11.6 Numerical modelling in a hydraulic network
Chapter 12 Hydraulic Vibrations in Networks
- 12.1 Introduction
- 12.2 Vibration equations of a pipe element
- 12.3 Harmonic solution for the pipe element
- 12.4 Harmonic solutions in the network
- 12.5 Vibration source modelling
- 12.6 Hints to implementation in SimpipCore
- 12.7 Illustrative examples
- Index
Book Details
- Hardcover: 544 pages
- Publisher: Wiley; 1 edition (2013)
- Language: English
- ISBN-10: 1118532147
- ISBN-13: 978-1118532140
- Product Dimensions: 1.2 x 6.6 x 9.6 inches
- List price: $165.00