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2011/2 Provisional Module Catalogue - UNDER CONSTRUCTION & SUBJECT TO CHANGE
 Module Code: ENG2070 Module Title: FLUID MECHANICS 2 (CIVIL)
Module Provider: Civil, Chemical & Enviromental Eng Short Name: ENG2070
Level: HE2 Module Co-ordinator: HUGHES SJ Dr (C, C & E Eng)
Number of credits: 10 Number of ECTS credits: 5
 
Module Availability

Year long
Assessment Pattern

Unit(s) of Assessment

 

 

Weighting Towards Module Mark (%)

 

 

Unseen examination

 

 

70

 

 

Autumn semester Coursework (2 x MCT + assignment)

 

 

15

 

 

Open Channel Flow Assessment

 

 

15

 

 

Qualifying Condition(s)

 

 

An overall mark of 40% is required to pass the module.

 

 

Module Overview

Material in fluid mechanics common to Civil, MMA and Chemical Engineering is delivered in the 1st Semester.

 

 

Internal flows in pipes and through pumps considering effects of fluid friction, momentum and energy losses in fittings. A range of pumps will be described and how they can be matched to system requirements. This will include non-dimensional analysis methods, laminar and turbulent flows and pipe system analysis.

 

 

 

 

The Civil Engineering specific material is delivered in the 2nd semester.  

 

 

Open channel flow refers to flow in rivers and streams as well as flows in man-made structures such as reservoirs, dams and weirs. Structural integrity of these structures and flooding are 2 key issues, hence it is important to understand the flow mechanisms associated with these free surface flows. The lectures provide a comprehensive overview of the flow characteristics in open channels, the necessary skills to calculate channel profiles and familiarisation with some important hydraulic structures.

Prerequisites/Co-requisites

Completion of the progress requirements of Level HE1.  Completion of ENG1049.
Module Aims

To provide students with a:

  • clear understanding of internal flow behaviour and the calculation of energy losses and forces

     

  • knowledge of different types of fluid pump and the ability to match the pump to the pipe system
  • comprehensive understanding of the flow mechanisms and flow characteristics associated with free surface flows
  • knowledge of the different types of channel profiles and the flow characteristics associated with them
  • knowledge of the different hydraulic structures encountered with open channel flows
Learning Outcomes

Upon successful completion of the module, you will  be able to:

 

 

  • explain the origin of momentum forces in flowing systems and be able to evaluate forces and energy losses

     

  • describe the parabolic velocity profile in a pipe in viscous flow and the shape of the velocity profile in turbulent flow

     

  • explain the technique of dimensional analysis and be able to apply Buckingham’s Pi Theorem to engineering situations

     

  • describe several kinds of pump and how they work

     

  • design, or evaluate the performance of, pump and pipework systems
  •  understand the flow mechanisms associated with free surface flows
  •  classify the flow and apply the relevant equations to determine flow characteristics
  • design and calculate a channel profile for a given flow or geometry
  • distinguish and  explain different types of hydraulic structures – weirs, energy dissipators, culverts
Module Content
Dr Alan Packwood (8 lectures- 1st semester)
Momentum equation
            Impact of jets
            Force on a pipe bend
            Force on an orifice plate
            Energy loss in a sudden expansion
Viscous (laminar flow)
            Poiseuille flow in a pipe
Dimensional analysis
Buckingham’s P theorem
            Poiseuille flow written in dimensionless form
Scale models (Re, Fr, Ma)
            Examples of empirical use (e.g. Cf vs Re and CD vs Re)
 
Professor Rex Thorpe (8 lectures - 1st semester)
Turbulent flow
            Film model and 1/7th power law for time averaged flow in pipes
            Friction factors and pressure gradients in pipes (effect of roughness; Moody chart)
Hydrodynamic resistance of sudden expansions, valves, bends, tees etc.
Discussion of flat plates, including variation of shear stress with distance from leading edge. No discussion of integral-momentum equation
Pumps and turbines
            Types of pump and turbine
Head/flow rate characteristics (esp. centrifugal pumps)
Pumps in series (includes mention of NPSH) and parallel
Dimensional analysis of pumps (but not vector analysis)
Pump and pipe-work calculations
            Balancing pumps against hydrodynamic resistances (but not pipe networks or multi-reservoir problems).
Introduction to boundary layers on a flat plate
 
Dr Susan J Hughes (10 lectures - 2nd semester -Open Channel Flow)
Classification of flow types
Introduction to the concept of Head and Energy
Equations/theory relevant to steady, uniform and non-uniform flows 
Critical conditions and flow transitions around critical conditions
Surface profiles for gradually varied flows
Introduction to hydraulic structures
Methods of Teaching/Learning

1st Semester:

 

 

Methods of Teaching/Learning

 

1st Semester:

 

14 hours of lectures,

 

5 hours of tutorial sessions (2 coursework multiple choice tests – ½ hour each)

 

6 hours of work on marked exercise

 

24 hours of independent learning and examination preparation.

 

 

2nd Semester: 

 

10 hours of lectures

 

10 hours of tutorial sessions and worked examples

 

  6 hours of work on marked exercise

 

23 hours of independent learning and examination preparation.

 

 

2 hour written exam

 

 

 

Total student learning time 100 hours.

 

Selected Texts/Journals

Essential Reading

 

 

 

 

Required Reading

 

 

Douglas JF, Gasiorek JM and Swaffield JA, Fluid Mechanics, 4th ed, Prentice Hall, 2001. (ISBN 05824 14768)

 

 

Massey, B,  Mechanics of Fluids, 8th ed, Taylor & Francis, 2006. (ISBN 0-415-36206)

 

 

 

 

Recommended Reading

 

 

Coulson JM and Richardson JF, Chemical Engineering, Volume 1, 3rd ed, Pergamon, 1977. (ISBN 00802 0614X)

 

Selected Texts/Journals

 

Essential Reading

 

 

Required Reading

 

Douglas JF, Gasiorek JM and Swaffield JA, Fluid Mechanics, 4th ed, Prentice Hall, 2001. (ISBN 05824 14768)

 

Massey, B,  Mechanics of Fluids, 8th ed, Taylor & Francis, 2006. (ISBN 0-415-36206)

 

 

Recommended Reading

 

Coulson JM and Richardson JF, Chemical Engineering, Volume 1, 3rd ed, Pergamon, 1977. (ISBN 00802 0614X)

 

 

Last Updated

30/9/10