Open Channel Hydraulics, Third Edition

<p>1 Basic Principles<br>1.1 Introduction<br>1.2 Characteristics of Open Channel Flow<br>1.3 Solution of Open Channel Flow Problems<br>1.4 Purpose<br>1.5 Historical Background<br>1.6 Definitions<br>1.7 Basic Equations<br>1.8 A Note on Turbulence<br>1.9 Surface versus Form Resistance<br>1.10 Dimensional Analysis<br>1.11 Computer Programs</p><p>2 Specific Energy<br>2.1 Definition of Specific Energy<br>2.2 Specific Energy Diagram<br>2.3 Choke<br>2.4 Discharge Diagram<br>2.5 Contractions and Expansions with Head Loss<br>2.6 Critical Depth in Nonrectangular Sections<br>2.7 Overbank Flow<br>2.8 Weirs<br>2.9 Energy Equation in a Stratified Flow</p><p>3 Momentum<br>3.1 Introduction<br>3.2 Hydraulic Jump<br>3.3 Stilling Basins<br>3.4 Surges<br>3.5 Bridge Piers<br>3.6 Spur Dikes<br>3.7 Supercritical Transitions</p><p>4 Uniform Flow<br>4.1 Introduction<br>4.2 Dimensional Analysis<br>4.3 Momentum Analysis<br>4.4 Background of the Chezy and Manning Formulas<br>4.5 Turbulence and Flow Resistance<br>4.6 Discussion of Factors Affecting f and n<br>4.7 Selection of Manning’s n in Natural Channels<br>4.8 Channels with Composite Roughness<br>4.9 Uniform Flow Computations<br>4.10 Partly Full Flow in Smooth, Circular Conduits<br>4.11 Street Gutter Flow<br>4.12 Gravity Sewer Design<br>4.13 Compound Channels<br>4.14 Design of Channels with Flexible Linings<br>4.15 Slope Classification<br>4.16 Flood Control Channels<br>4.17 Dimensionally Homogeneous Manning’s Formula<br>4.18 Channel Photographs</p><p>5 Gradually Varied Flow<br>5.1 Introduction<br>5.2 Equation of Gradually Varied Flow<br>5.3 Classification of Water Surface Profiles<br>5.4 Lake Discharge Problem<br>5.5 Water Surface Profile Computation<br>5.6 Distance Determined from Depth Changes<br>5.7 Depth Computed from Distance Changes<br>5.8 Natural Channels<br>5.9 Floodway Encroachment Analysis<br>5.10 Bresse Solution<br>5.11 Spatially Varied Flow</p><p>6 Hydraulic Structures<br>6.1 Introduction<br>6.2 Spillways<br>6.3 Spillway Aeration<br>6.4 Stepped Spillways<br>6.5 Culverts<br>6.6 Bridges</p><p>7 Governing Equations of Unsteady Flow<br>7.1 Introduction<br>7.2 Derivation of Saint-Venant Equations<br>7.3 Transformation to Characteristic Form<br>7.4 Mathematical Interpretation of Characteristics<br>7.5 Initial and Boundary Conditions<br>7.6 Simple Wave</p><p>8 Numerical Solution of the Unsteady Flow Equations<br>8.1 Introduction<br>8.2 Method of Characteristics<br>8.3 Boundary Conditions<br>8.4 Explicit Finite Difference Methods<br>8.5 Implicit Finite Difference Method<br>8.6 Comparison of Numerical Methods<br>8.7 Shocks<br>8.8 Dam-Break Problem<br>8.9 Practical Aspects of River Computations</p><p>9 Simplified Methods of Flow Routing<br>9.1 Introduction<br>9.2 Hydrologic Routing<br>9.3 Kinematic Wave Routing<br>9.4 Diffusion Routing<br>9.5 Muskingum-Cunge Method</p><p>10 Flow in Alluvial Channels<br>10.1 Introduction<br>10.2 Sediment Properties<br>10.3 Initiation of Motion<br>10.4 Application to Stable Channel Design<br>10.5 Bed Forms<br>10.6 Stage-Discharge Relationships<br>10.7 Sediment Discharge<br>10.8 Streambed Adjustments and Scour</p><p>11 Three-Dimensional CFD Modeling for Open Channel Flows<br>11.1 Introduction<br>11.2 Governing Equations<br>11.3 Discretization of the Governing Equations<br>11.4 Boundary Conditions<br>11.5 RANS Case Study<br>11.6 LES Application</p><p>Appendix A Numerical Methods</p> <p>Appendix B Examples of Computer Programs in MATLAB</p>