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refacetothe first ed ition

The book is an introduction to the hydrauHcs of open channel flows. The material is designed

for undergraduate students in civil, environmental and hydraulic engineering. It will

be

assumed

that the students have had an introductory course in fluid mechanics and that they are familiar

with the basic principles of fluid mechanics: continuity, momentum, energy and Bernoulli

principles.

The book will first develop the basic principles of fluid mechanics with applications to open

channels. Open channel flow calculations are more complicated than pipe flow calculations

because the location of the free-surface is often unknown apriori (i.e. beforehand). Later the

students are introduced to the basic concepts of sediment transport and hydraulic modelling

(physical and numerical m odels). At the end of the course, the design of hydraulic structures is

introduced. The book is designed to bring a basic understanding of the hydraulics of rivers,

waterways and man-made canals to the reader (e.g. Plates 1-32 .

The lecture material is divided into four parts of increasing complexity:

Part 1 Introduction to the basic principles. Application of the fimda me ntal fluid mechanics

principles to open channels. Emphasis on the application of the Bernoulli principle and momen

tum equation to open channel flow s.

rt

2 Introduction to sediment transport in open channels. Basic definitions followed by sim

ple applications. Occurrence of sediment motion in open channels. Calculations of sediment

transport rate. Interactions between the sediment motion and the fluid motion.

rt

3 Modelling open channelflows.The two types of modellings are physical modelling and

numerical modelling of open channel flow s:

Physical modelling: application of the basic principles of similitude and dimensional analy

sis to open channels.

Num erical modelling: numerical integration of the energy equation; one-dimensional flow

modelling.

Part 4 Introduction to the design of hydraulic structures for the storage and conveyance of

water. Hydraulic design of dams, weirs and spillways. Design of drops and cascades. Hydraulic

design of culverts: standard box culverts and minimum energy loss culvert.

Basic introduction to professional design of hydraulic structures. Application of the basic

principles to real design situations. Analysis of complete systems.

Applications, tutorials and exercises are grouped into four categories: applications within the

main text to illustrate the basic lecture material, exercises for each chapter within each section,

revision exercises using knowledge gained in several chapters within one section and major

assignments (i.e. p roblems) involving expertise gained in several sections: e.g. typically Part I and

one ortwo other sections. In the lecture material, complete and detailed solutions of the applications

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xii reface to the first ed ition

are given. Numerical solutions ofsomeexercises, revision exercises and problems are available

on the Internet (Publisher s site: http://www.bh.com/companions/0340740671/).

A suggestion/correction form is placed at the end of

the

book. Com ments, suggestions and

critic are welcome and they will be helpful to improve the quality of the book. Readers who find

an error or m istake are welcome to record the error on the page and to send a copy to the author.

Errare Humanum Est .^

^ oerr is human.

http://www.bh.com/companions/0340740671/http://www.bh.com/companions/0340740671/