CIVE3415: Water Engineering III Steady Open Channel Hydraulics

Contents

1 Basic Equations of Open Channel Hydraulics

1.1 Definition and differences between pipe flow and open channel flow

1.2 Types of flow / Classification of flow

1.3 Properties of open channels

1.4 Fundamental equations

1.5 Velocity distribution in open channels

1.6 Laminar and Turbulent flow

1.7 Friction

1.8 The Froude number

2 Uniform Flow in Open Channels

2.1 Uniform flow and the Development of Friction formulae

2.2 The Manning’s equation

2.3 Computations in uniform flow

2.4 Efficient Uniform Flow Channels

3 Rapidly Varied Flow

3.1 Bernoulli Equation and Specifc Energy

3.2 Critical, Sub-critical and Super-critical flow

3.3 Sub and super-critical Flow Determination and Significance

3.4 Specific Force

3.5 Application of the Momentum equation for Rapidly Varied Flow

3.6 Rapidly varied flow and Critical-depth structures

4 Gradually varied flow

4.1 Channel Slope and Friction

4.2 The equations of gradually varied flow

4.3 Classification of profiles

4.4 How to determine the surface profiles

4.5 Method of solution of the Gradually varied flow equation

Appendices

A Various formulations of the Uniform Flow Equations

References