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## CSM2178 - Fluids Mechanics (2012)

MODULE TITLE | Fluids Mechanics | CREDIT VALUE | 15 |
---|---|---|---|

MODULE CODE | CSM2178 | MODULE CONVENER | Dr Justin Hinshelwood (Coordinator) |

DURATION: TERM | 1 | 2 | 3 |
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DURATION: WEEKS | 10 - 20 |

Number of Students Taking Module (anticipated) | 80 |
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This is an applied module, developing the understanding of the continuity and energy equations to solve fluid problems of relevance to both mining and renewable applications. An appreciation of energy loss in fluid flows is developed and dimensional analysis techniques are taught and applied to wide range of analytical and experimental situations.

**Pre-requisites**: Fluid Mechanics and Thermodynamics CSM1257, or any equivalent knowledge of a 1^{st} year university course on covering the basics of fluids and thermodynamics.

The module is based on typical engineering undergraduate course but the engineering skills covered are directly important for mining and renewable energy fields.

Some of the content of the module may be useful for civil engineering based discipline.

The aim of this course is to (i) extend on the basic principles of the Thermodynamics and Fluid Mechanics module, particularly with respect to fluid flow, and (ii) expand on the relevance of these principles to real life situations such as flow in pipelines and the design of pump and hydraulic systems.

On successful completion of this module *you should be able to** demonstrate*:

**Module Specific Skills and Knowledge**

2.An understanding of dimensional analysis and be able to use dimensionless ratios to form relationships between fluid properties after experimentation.

**Discipline Specific Skills and Knowledge**

**Personal and Key Transferable / Employment Skills and Knowledge**

9.An ability to identify key areas of problems and choose appropriate tools/methods for their resolution in a considered manner.

**Dimensions units and the concept of Dimensionless Ratios: **

Identifying Dimensionless ratios using Rayleigh and Buckingham p methods, Hydraulic similarity and the testing of models.

**Review of key principles:** Continuity & Bernoulli֒s equations, Dynamic & Kinematic viscosity, Reynolds Experiment Laminar and turbulent flow regimes and Reynolds Number.

**Laminar flow in pipes:** pressure drop during laminar flow, Poiseulles equation, development of laminar flow in pipes, relationship between average and maximum velocities

**Turbulent flow in horizontal pipes**: friction factor and use of Moody diagram, Pressure losses in pipes due to friction, Darcys law in pressure and head form

**Frictional pressures losses during flow** in non-horizontal pipes and pipes of varying diameters. Minor losses in pipes due to expansions & contractions;

**Flow in pipelines between reservoirs:** relationship between losses and head, branching pipelines and parallel pipelines.

**Open Channel Flow:** definition of wetted perimeter, hydraulic mean depth, hydraulic gradient, Chezy and Mannings equations for discharge, solving discharge equation for depth of flow, channel proportions for maximum discharge.

**Pumps and pumping:** Types of rotadynamic pumps, pump efficiency, derivation of pump affinity laws, pump characteristic curves, losses in rising mains, pump performance in series and parallel.

** Turbines:** Types of turbine and applications.

**Practical laboratory exercises**: pressure drop in pipes

**CFD using SolidWorks**

**Determination of hydraulic loss**: simulation of flow patterns and hydraulic loss in a valve

**Cylinder drag coefficient**: flow simulation around a cylindrical object

**Mesh optimisation**: investigation of meshing for Flow simulation

**Rotating impeller**: air flow through a centrifugal pump

Scheduled Learning & Teaching Activities | 40.00 | Guided Independent Study | 110.00 | Placement / Study Abroad |
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Category | Hours of study time | Description |

Scheduled learning & teaching activities | 30 | Lectures/tutorials |

Scheduled learning & teaching activites | 2 | Laboratory sessions |

Scheduled learning & teaching activities | 8 | Computer sessions |

Guided independent study | 110 | Lecture/assessment preparation; private study |

Form of Assessment | Size of Assessment (e.g. duration/length) | ILOs Assessed | Feedback Method |
---|---|---|---|

Example sheets covering questions following each of the major topics covered in the course | 2-4,8-10 | These questions will be covered in the tutorial sessions and worked answers are kept in the library | |

Coursework | 40 | Written Exams | 60 | Practical Exams |
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Form of Assessment | % of Credit | Size of Assessment (e.g. duration/length) | ILOs Assessed | Feedback Method |
---|---|---|---|---|

Examination |
60 | 2 hours | 1-5 |
Group email |

Laboratory report or equivalent |
10 |
1000 words or equivalent |
3, 6-9 |
Feedback sheet and in class discussions |

Question based assignment |
15 | 5 hours | 1-4 |
Feedback sheet and in class discussions |

Coursework assignment with online assessment | 10 | 2 hours | 1-4 | On line feedback |

SolidWorks online assessment |
5 | 1-2 hours | 1-4, 6 | Computer-based |

Original Form of Assessment | Form of Re-assessment | ILOs Re-assessed | Time Scale for Re-reassessment |
---|---|---|---|

Summative assessment | Additional assessment | As above | August Ref/Def period |

Examination | Additional examination | As above | August Ref/Def period |

For students failing the module (i.e. an average < 40%), they will be required to retake both components of assessment with maximum mark awarded of 40%: CW (40%), Exam (60%).

For students with mitigating circumstances, the student will redo either/both assessment (as applicable) and will be marked as normal (i.e. as if it were their first exam or coursework).

As above 1 piece of CW 40% and/or 1 Exam 60%

information that you are expected to consult. Further guidance will be provided by the Module Convener

ELE – *http://vle.exeter.ac.uk/course/view.php?id=498*

Web based and electronic resources:

http://www.solidsolutions.co.uk

https://forum.solidworks.com/community/solidworks

Reading list for this module:

Type | Author | Title | Edition | Publisher | Year | ISBN | Search |
---|---|---|---|---|---|---|---|

Set | Douglas, J.F., Gasiorek, J.M., Swaffield, J.A. | Fluid Mechanics | 6th | Pearson/Prentice Hall | 2011 | 10: 0273717723 | [Library] |

Set | Massey B.S. and Ward-Smith J | Mechanics of Fluids | Stanley Thornes | 2012 | [Library] |

CREDIT VALUE | 15 | ECTS VALUE | 7.5 |
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PRE-REQUISITE MODULES | CSM1257 |
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CO-REQUISITE MODULES |

NQF LEVEL (FHEQ) | 2 (NQF Level 5) | AVAILABLE AS DISTANCE LEARNING | No |
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ORIGIN DATE | Wednesday 27 June 2012 | LAST REVISION DATE | Tuesday 21 July 2015 |

KEY WORDS SEARCH | Dimensional analysis, pipe flow, Open channels, pumps, Bernoulli, continuity |
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