## Fluid Mechanics

### Module aims

• To provide a grounding in the fundamentals of fluid mechanics, beginning with a study of fluid statics and then considering the physics governing the motion of fluids.
• To introduce the physical processes which govern the behaviour of fluids at rest and in motion.
• To provide a solid foundation in fundamental fluid mechanics on which specialist fluid dynamics courses in years 2, 3 and 4 will build.
• To provide experience and confidence in problem-solving.
• To provide insights into the practical world of civil engineering fluid mechanics.

### Learning outcomes

On successfully completing this course unit, students will be able to:

• Understand the physical processes which govern the behaviour of fluids at rest and in motion.
• Confidently pose and solve problems in engineering fluid mechanics.
• Calculate the expected flow rates in pipes and open channels.
• Perform basic design calculations.

### Module syllabus

This course unit will cover topics including:

• Fluid properties: density, viscosity, and pressure.
• Surface and volume integrals.
• Fluid statics: hydrostatic pressure distribution, hydraulic presses, and pressure measurement.
• Fluxes through control surfaces; streamlines.
• Turbulent flows and boundary layers.
• Control volumes, mass and volume conservation, and general conservation laws.
• Momentum conservation and the calculation of fluid forces on structures.
• Energy conservation; velocity measurements.
• Pipe systems. Flow rates, major and minor losses, pumps and turbines.
• Free surface flows; flow rates in rivers, rapidly varied flow around control structures, sub- and supercritical flow, application to bridges, weirs, and sluices.
 No. Topic Staff 01 Introduction – Including Preliminaries and Fluid Properties MvR 02 Introduction – Including Preliminaries and Fluid Properties MvR 03 Hydrostatics MvR 04 Hydrostatics MvR 05 Hydrostatics MvR 06 Dynamics, Conservation of Volume, Mass, Momentum MvR 07 Dynamics, Conservation of Volume, Mass, Momentum MvR 08 Dynamics, Conservation of Volume, Mass, Momentum MvR 09 Dynamics, Conservation of Volume, Mass, Momentum MvR 10 Dynamics, Conservation of Volume, Mass, Momentum MvR Christmas Break 11 Conservation of Energy. Applications to Fluid Transport in Pipes GH 12 Conservation of Energy. Applications to Fluid Transport in Pipes GH 13 Conservation of Energy. Applications to Fluid Transport in Pipes GH 14 Conservation of Energy. Applications to Fluid Transport in Pipes GH 15 Free Surface Flows and Control Structures GH 16 Free Surface Flows and Control Structures GH 17 Free Surface Flows and Control Structures GH 18 Free Surface Flows and Control Structures GH 19 Free Surface Flows and Control Structures GH 20 Free Surface Flows and Control Structures GH

### Teaching methods

The lecture format of this module generally consists of a one hour lecture followed by a one hour tutorial in which the students can practice with the material. Students will carry out two exercises in the Fluid Mechanics Laboratory to establish a grounded view of the relation between theory and application.

### Assessments

Laboratory practicals and a written examination.

### Supplementary

• #### Introduction to fluid mechanics

Young, Donald F.

5th, Wiley

• #### Engineering fluid mechanics

Elger, Donald F.

10th, Wiley

• #### Engineering fluid mechanics.

Elger, D. F., author.

Eleventh edition. / Donald F. Elger, Barbara A. LeBret, Clayton T. Crowe, John A. Roberson.; International student version., Singapore : Wiley

• #### Fluid mechanics

Douglas, John F.

6th, Prentice Hall

• #### Mechanics of fluids

Massey, B. S.

9th, Spon

• #### Open channel flow

Henderson, F M

Macmillan Publishing