## Hydraulics of Open Channel FlowSince the publication of its first edition in 1999, 'The Hydraulics of Open Channel Flow' has been praised by professionals, academics, students and researchers alike as the most practical modern textbook on open channel flow available. This new edition includes substantial new material on hydraulic modelling, in particular addressing unsteady open channel flows. There are also many new exercises and projects, including a major new revision assignment. This innovative textbook contains numerous examples and practical applications, and is fully illustrated with photographs. Dr Chanson introduces the basic principles of open channel flow and takes readers through the key topics of sediment transport, hydraulic modelling and the design of hydraulic structures. ·Comprehensive coverage of the basic principles of key application areas of the hydraulics of open channel flow ·New exercises and examples added to aid understanding ·Ideal for use by students and lecturers in civil and environmental engineering |

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### Contents

Part 2 Introduction to Sediment Transport in Open Channels | 141 |

Part 3 Hydraulic Modelling | 247 |

Part 4 Design of Hydraulic Structures | 387 |

512 | |

528 | |

Problems | 531 |

Suggestioncorrection form | 573 |

575 | |

579 | |

Color Plates | 587 |

### Common terms and phrases

assuming backwater barrel basic bed forms bed slope bed-load transport Bernoulli equation calculations canal celerity channel bed channel width Chézy coefficient Compute continuity equation control volume crest critical depth critical flow conditions dam break wave Darcy friction factor dimensionless downstream flow flood plain flow depth flow direction flow properties flow rate flow resistance fluid formula forward characteristic free-surface profile friction slope Froude number Gauckler–Manning head loss hydraulic diameter hydraulic jump initial Lake Moeris located maximum MEL culvert momentum equation Note open channel flow outlet parameter particle positive surge prototype ratio rectangular channel reservoir Reynolds number river roughness height Saint-Venant equations scale ratio sediment motion sediment transport shear stress Sketch sluice gate smooth Solution specific energy spillway stepped chute stilling basin subcritical flow supercritical flow surface tailwater total head transport rate turbulent flows uniform equilibrium flow uniform flow upstream flow water depth waterway

### Popular passages

Page xxv - cogito ergo sum' (I think therefore I am). Diffusion The process whereby particles of liquids, gases or solids intermingle as the result of their spontaneous movement caused by thermal agitation and in dissolved substances move from a region of higher concentration to one of lower concentration. The term turbulent diffusion is used to describe the spreading of particles caused by turbulent agitation.

Page xxxiv - ... INTRODUCTION 1. Definition of Similitude. Similitude, as applied to hydraulic models, goes considerably beyond the superficial aspects of geometric similarity with which it is sometimes erroneously identified. Similitude can be defined as a known and usually limited correspondence between the behavior of a model and that of its prototype, with or without geometric similarity. The correspondence is seldom perfect, because it is generally impossible to satisfy all the conditions required for complete...

Page xxxvi - In turbulent flow the fluid particles (small molar masses) move in very irregular paths, causing an exchange of momentum from one portion of the fluid to another in a manner somewhat similar to the molecular momentum transfer described in Sec.

Page xxix - In laminar flow, fluid particles move along smooth paths in laminas, or layers, with one layer gliding smoothly over an adjacent layer. Laminar flow is governed by Newton's law of viscosity [Eq.

Page xxii - FIG. 35. buoyant force exerted upon any body immersed in a fluid (Fig. 35) is equal to the weight of the fluid displaced by the body, and acts through the center of gravity of the body.

Page xxxvi - ... average values of velocity, density, and other properties. Flow through a pipe, for example, may usually be characterized as onedimensional. Many practical problems can be handled by this method of analysis, which is much simpler than two- and three-dimensional methods of analysis. In two-dimensional...

Page 513 - Essai sur la solution numerique de quelques problemes relatifs au mouvement permanent des eaux courantes.

Page xxxiii - Director of the Iowa Institute of Hydraulic Research at the University of Iowa (USA).