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Course Information

About this Course

This course covers the application of energy equation on incompressible pipe flow and analysis of pipe network to establish the design principles of water supply engineering. The design of open channel based on uniform flow condition will be discussed, followed by the application of specific energy concept and momentum equation for the analysis of non-uniform flow. Analysis of pump operation and performance and pump design are also introduced.

Course Syllabus

Pipe flow analysis
Incompressible steady uniform laminar and turbulent flow in pipes. Friction loss in pipes. Application of Hagen-Poiseuille equation, Darcy-Weisbach equation, Colebrook-White equation and Moody?s diagram. Separation losses due to sudden contraction/expansion, entrance/exit and other pipe fittings. Concept of loss coefficient and equivalent length.
Application of the energy equation to single pipe flow, flow through pipes in series and pipes in parallel. Analysis of flow through branching pipes (Three-Reservoir problem), and the use of Quantity Balance Method. Analysis of pipe network using Head Balance (Hardy-Cross Method). Application of Hazen-William equation for industrial design.

Open channel flow
Contrast open channel flow and pipe flow, steady and unsteady flow, uniform and nonuniform flow. Turbulent flow condition in open channel. Concept of hydraulic radius and roughness coefficients. Calculation of velocity and flow rate using Chezy and Manning?s equation. Concept of optimum cross section. Analysis of compound channel.
Contrast rapidly-varied and gradually-varied flow. Froude number: critical (control) section, subcritical and supercritical flow. Concept of specific energy for nonuniform flow analysis. Effect of change in bed level for flow over broad-crested weir. Effect of lateral contraction for venturi flume. Hydraulic jump.
Classification of water surface profiles. Analysis of gradually-varied flow using direct step and standard step method.

Hydraulic Machinery - Turbines & Pumps
Introduction to hydraulic machines. Axial flow, radial flow, mixed flow and positive displacement pump. Engineering application of pump. Suction and delivery head. Pump efficiency; power requirement. Pump characteristic and system characteristic. Operating point determination. Pump in series; pump in parallel. Cavitation and net positive suction head. Specific number, similarity law and pump selection.
Impulse and reaction turbines. Specific number, synchronization, speed ratio, and turbine efficiency. Analysis of Pelton wheel.

Assignment
n/a

Midterm test
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Final Exam
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Frequently Asked Questions

Q1 : What is Civil Engineering Hydraulics
A1 : Hydraulics in the civil engineering field can be defined as the study of the mechanics of water The main thrust will be the dynamic behavior of water