MODULE SPECIFICATION FORM
Module Title:
Electrical and Mechanical
Science
B
Level:
4
(Deg L1)
Credit Value:
2
0
Module code:
(if known)
ENG440
Semester(s) in which to
be offered:
1
With effect from:
Oct 20
10
Existing/New:
New
Title of
module being
replaced (if any):
E
NG423 (10cr) Mechanical and Electrical
Science
ENG425 (10cr) Electrical Circuit Theory
Originating Subject:
Engineering
Module Leader:
S Basford
/R Holme
Module duration (contact
hours/ directed/ private
study:
60 hrs
contact
30 hrs
d
irected study
110
hrs private study
Status: core/option/elective
(identify programme where
appropriate):
Core
Percentage taught by Subjects other than originating Subject
(please name other Subjects):
0%
Prog
ramme(s) in which to be
offered:
B
Eng (Hons) and BEng Ordinary:
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(扥tw敥渠lev敬s):
.
Co

requisites per
programme (within
a level):
None
Module Aims:
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Expected Learning
Outcomes
Knowledge and Understanding:
At the completion of this module, the student should be able to:
Mechanical Science
(of Materials)
1.
Define and explain the
basic principles of stress and strain analysis.
2.
To apply
the standard
analysis
techniques to
beam analysis
in
practical situations.
3.
To apply dc and ac circuit theory to a chosen electro

mechanical engineering context.
Electrical Circuit Theory
4
.
define fundamental electrical variables in dc and ac circuits;
5
.
select and
use app
ropriate methods to analyse electrical circuit behaviou
r
;
6
.
apply the theoretical principles to practical circuit conditions;
7
.
use appropriate software packages to simulate and predict circuit performance.
Transferable/Key Skills and other attributes:
Mathematical manipulation; Problem solving; Application of software.
Assessment:
Please indicate the type(s) of assessment (eg examination, oral, coursework, project) and the
weighting of each (%).
Details of indicative assessment should also be
included
.
Mechanical Science
(of Materials)
Assessment 1
is by a portfolio of coursework and laboratory exercises testing all outcomes.
A typical laboratory exercise is the analysis of a thick cylinder subjected to pressure.
Readings are taken from stra
in gauges resulting in Principal Stress values which are also calculated by
classical thick cylinder theory (Lame’s equations). The student then produces a report of their findings.
Electrical Circuit Theory
Assessment 2
is by means of in

course investiga
tive exercises including laboratory work, which tests
all outcomes. These are developed throughout the module with feedback being given after each
activity.
An example is to predict resonance conditions in a parallel ‘tank’ circuit, to measure the circuit
practically to verify the calculations, additionally to quantify and account for errors. The circuit can also
be simulated and evaluated using appropriate software to predict the circuit behaviour.
Assessment
number (use as
appropriate)
Type of
assessment
Weighting
Duration (if
exam)
Word count (if
coursework)
Assessment One:
Mechanical Science (of
Materials)
Continuous: series of
coursework and lab
exercises.
(Outcomes 1,2
, 3
)
50%
1500
Assessment Two:
Electrical Circuit
Theory
Portfolio
of exercises
and laboratory based
activities.
(Outcomes 4, 5, 6, 7)
50%
1500
Learning and Teaching Strategies:
Mechanical Science
(of Materials)
and
Electrical Circuit Theory
The module will be presented to the students through a specified series
of lectures
, supported by
problem

solving practice carried out in interactive tutorials. About one

third of contact time will be
devoted to practical laboratory

based exercises.
Learning materials including computer tools will be used together with
demonstrations and directed
learning opportunities.
Syllabus outline:
Mechanical Science
(of Materials)
Stress and Strain:
material classification: isotropic, orthotropic, anisotropic. Poisson’s ratio. Two
dimensional problems. Volumetric strain. Bulk
modulus. Elastic constants.
Thin Cylinder and Thick Cylinder Theory:
Thin cylinder
: Stresses, i
ncrease in volume due to internal
pressure. Lame’s equations for thick cylinders. Lame’s equations to solve engineering problems.
Complex Stress and Strain:
Complimentary shear stress.
C
omplex stress situation
/
formulae.
Principal stresses
, maximum shear stress and associated planes. Mohr’s circle.
Principal
strains
.
D
irect strain measurements. Relationship
and c
alculation of principal stresses from
principal s
train values.
Theorem of parallel axes
. Second moment of area about the neutral axis for common sections.
Stress distribution diagrams for combinations of direct and bending
stress
B
eam Analysis:
Differential equation of bending. Application
s to
beams.
F
or
mulae for slope and
deflection. Macaulay’s method for de
termining slope and deflection,
various loading conditions.
Electrical applications:
electromagnetic principles and applications in transformer, ignition coil, motor
and generator (chosen to suit coho
rt specialism).
Electrical Circuit Theory
AC Circuit Analysis
:
impedance, admittance, cond
uctance, susceptance; Circuit analysis
using
complex notation
:
Thevenin and Norton’s theorems, mesh current
analysis,
nodal analysis
,
power dissipation in circuits

real/apparent/reactive.
Series, parallel and series/parallel circuits.
C
omputer tools for AC circuit analysis.
Resonance:
Series resonance, Quality factor. Phasor and mathematical analysis of parallel RL, RC,
RLC circuits;
parallel resonance, Q

factor, effective Q

factor, bandwidth; Imperfect capacitors

equivalent circuits, loss angle, power loss.
Polyphase Voltages:
G
eneration of 3 phase voltages; balanced star and delta systems; phasor
diagrams; calculation of line and
phase variables; use of complex numbers in the solution of
problems.
Complex Waveforms:
Nature of complex
waves; synthesis of complex waves
; general equation for a
complex wave; harmonic analysis: numerical methods, Fourier analysis; instantaneous value
s
in vario
us R

L

C circuits; selective re
sonance; power dissipation, power factor; RMS value;
generation of harmonics by non

linear devices; effects of complex waveforms on circuit
performance; problems involving harmonics
Bibliography
Essential Readi
ng
Mechanical Science
(of Materials)
Hearne, EJ
(2004)
;
Mechanics of Materials, vol 1
; (Butterworth Heinemann)
Electrical Circuit Theory
Bird, J.O. (2003) Electrical
Circuit Theory and Technology.
(2
nd
Edn.), London, Newnes
Recommended
Reading
Schaum Series
(2000)
;
Theory and Problems of Dynamics
; (McGraw

Hill)
Bolton, W (2006); Mechanical Science; (Blackwell Publishing)
Hughes E
(2005)
;
Electrical & Electronic Technology
(8
th
Ed); (Prentice Hall)
Bird J
(
200
6)
;
Electrical Circuit Theory and Te
chnology
(2
nd
Ed); (Newnes)
Antonakos J,
(
1999
)
;
Simulations for Electric Circuits using Electronic Workbench
; (Prentice Hall)
Hughes, E.; Hiley, J.; Brown, K.C.; Smith, I.M. (2004)
Electrical and Electronic Technology
(9
th
Edn.),
London, Prentice Hall
Bird, J.O. (2003)
Electrical and Electronic Principles and Technology
(2
nd
Edn.), London, Newnes.
Berube, R. (2003)
Computer Simulated Experiments for Electric Circuits Using Electronics Workbench
Multisim
(3
rd
Edn), London,
Prentice

Hall
Software title:
Eptsoft.com (2006)
Electronics Mechanics Maths and Computing
(V9.2)
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