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# BEng Mechanical Engineering with Management

Year of entry: 2022

## Course unit details:Fluid Mechanics 2

Unit code AERO20121 10 Level 2 Semester 1 No

### Overview

This unit extends the basic Fluid Mechanics covered in year 1 to include the differential form of the equations and to apply the equations to the important areas of Open Channel flow, Compressible flow, Viscous flow  and Pipes, Pumps and Compressors.

This course unit detail provides the framework for delivery in 20/21 and may be subject to change due to any additional Covid-19 impact.  Please see Blackboard / course unit related emails for any further updates

### Aims

To give students an introductory understanding of the motion of fluids and its relevance to Engineering
To introduce waves to students and its relevance to Engineering
To introduce Compressible flow including Isentropic flow, shock waves and expansion fans to students and its relevance to Engineering
To introduce Dimensional Analysis to Students and its relevance to Engineering
To increase student understanding of pipes and pumps networks.

### Syllabus

Section 1: The Equations of Fluid Mechanics
a) Revision of the importance of Fluid Mechanics in Engineering as well as non-engineering disciplines
b) Introduction to the differential form of the equations of motion for fluids
c) Introduction to  Dimensional Analysis

Section 2: Open Channel flow
a) The Equations of motion for open channel flow
b) Flow over bumps, surface waves, energy analysis and  modes of flow
c) Hydraulic jumps, flow under sluice gates and flow over weirs

Section 3:  Compressible flow
a) The Equations of motion for Compressible flow
b) Isentropic flow through convergent-divergent nozzles
c) Normal shock waves
d) Oblique shock waves
e) Prandtl-Meyer expansions

Section 4 :  Dimensional Analysis
a) Non-dimensional approach to systems
b) Buckingham’s working rule
c) Similartity and Model Testing

Section 5: Pipes, Pumps and Compressors
a) Laminar and turbulent flow in pipes
b) The Moody chart
c) Minor and major losses in pipes
d) Loss calculations and extended Bernoulli
e) Multiple pipe networks
f) Pump and turbine characteristics including specific speed
g) Pipe and Pump network matching

Laboratory: Compressible flow over a supersonic aerofoil  or Open channel flow

### Assessment methods

Method Weight
Written exam 80%
Report 15%
Practical skills assessment 5%

### Feedback methods

Online quiz - solutions an description

Report - written feedback on assignment

### Study hours

Scheduled activity hours
eAssessment 2
Lectures 24
Practical classes & workshops 2
Tutorials 30
Independent study hours
Independent study 42

### Teaching staff

Staff member Role
Shan Zhong Unit coordinator