Published in : International Journal for Numerical Methods in Fluids (2009)
Int. J. Numer. Meth. Fluids 2009; Vol 60: pp 275-294
Discussions On Driven Cavity Flow
Ercan Erturk
Gebze Institute of Technology,
Energy Systems Engineering Department,
Gebze, Ko
C
H
A
P
T
E
R
1
Verilog Design in the Real World
T
he challenges facing digital design
engineers in the Real World have changed as technology has advanced. Designs are faster,
use larger numbers of gates, and are physically smaller. Packages have many fin
308
IEEE TRANSACTIONS ON POWER ELECTRONICS, VOL. 13, NO. 2, MARCH 1998
Improved Active Power-Factor-Correction Circuit
Using a Zero-Voltage-Switching Boost Converter
Ganesh Arun, Member, IEEE, Wajiha Shireen, Member, IEEE, and Prasad N. Enjeti, Senior Mem
Fall 2016
MAE384 Advanced Mathematical Methods for Engineers
Muddiest Points from Class 10/27
Will there always be given an initial point? And if not what are we supposed to do?
Yes, for a numerical method to be applicable, we will always need an initi
Fall 2016
MAE384 Advanced Mathematical Methods for Engineers
Muddiest Points from Class 11/01
Several of the methods that you showed us in class for eulers method of approximating new points
using a differential equation had the new point as a part of t
Fall 2016
MAE384 Advanced Mathematical Methods for Engineers
Muddiest Points from Class 10/17
I think students need more help on coding part instead of learning what the rules are,in recitation TA
doesn't really cover what we need on the homework.
How
Fall 2016
MAE384 Advanced Mathematical Methods for Engineers
Muddiest Points from Class 10/17
I did not quite understand the reason to use Gaussian quadrature
I didn't understand the derivation of the Gauss Quadrature formula.
I was confused as to what t
Programming in Matlab II
EE115, COL Squire
Introduction to programming
Last tutorial we used Matlab as a calculator. Matlab is also a programming language. You can save a
series of commands you find yourself repeatedly typing as a text file ending in .m t
[Homework 7]
1. Two rockets A and B depart from Earth at steady speeds of 0.6c in opposite
directions,
departure.
having
After
synchronized
one
year
as
clocks
with
measured
in
each
other
Earths
and
reference
with
frame,
Earth
at
rocket
B
emits a light sig
EE2192 - EXPERIMENT NO: 03
AC ENERGY METER
Instructed by : Ms. I.M.M. Karunathilake
Group members
:
120511L
L.I. Ranasinghe
120512P
120514A
120520M
R.A.K.G. Ranasinghe
R.G. Ranasinghe
N.T. Ranatunga
Name
Index no.
Group
Field
Conducted on
Submitted on
: L
Semester 4
Mechanical Design of an Overhead Transmission Line
Problem 1:
A transmission line conductor is to be laid between two supports 300m apart. The ground profile between
towers is such that it has a uniform slope of 1:15 between the towers. The hei
Discussion
Working Principle of AC Energy meter
There are 2 fundamentally different types of energy meter presently
in use. They are single phase and three phase induction type energy
meters. The most common type is the was electro-mechanical,
variously c
EE2192 - EXPERIMENT NO:
10
FAULT STUDY
Instructed by : Mr. Viraj Muthugala
Group members
:
120511L
L.I. Ranasinghe
120512P
120514A
R.A.K.G. Ranasinghe
R.G. Ranasinghe
Name
Index no.
Group
Field
Conducted on
Submitted on
: L.I. Ranasinghe
: 120511L
: G15
:
EE 2192
MECHANICAL DESIGN OF AN OVERHEAD
TRANSMISSION LINE
Group Members
Name
: R.G. Ranasinghe
Index No
: 120514A
Group
: G-15
: EE
Ranasinghe L.I.
Ranasinghe
120511L
120512P
Ranasinghe
R.G.
R.A.K.G
Ranatunga N.T.
120514A
Field
120520M
Date of Submission
DISCUSSION
Construction and working principle of (Direct Online)DOL
starter
This is the most common starting method of three phase
induction motor. There are two main parts in this method a
main contact and thermal or electronic overload delay. Main
conta
Calculations and Graphs
1.Self- Exited Induction Generator
Part (a)
No load characteristics for varying capacitance and constant prime
mover speed
Graph 1
Graph 2
:
:
Line Voltage Vs Magnetizing Current
Line Voltage Vs Capacitance
Part (b)
No load charact
DISCUSSION
i)Effect of power factor on power system.
Power factor can be used to get an idea of how much
power that is actually usable. Power factor can be
given as the ratio between active power and reactive
power.
power factor =
active power
apperent po
2192
LABORATORY PRACTICE IV
AC Energy Meter
CONDUCTED BY : Mrs.W.M.N.P.Weerasooriya
NAME
INDEX NO
FIELD
GROUP
DATE OF PER
DATE OF SUB
:R.M.R.A.RATHNAYAKA
: 090433K
: EE
: G 11
: 06-09-2011
: 20-09 -2011
APPARATUS
AC energy meter (230V, 5A , 600rev/kWh)
Vo
EE 423 Power System Analysis
[Section 2 Power System Faults]
Learning Objectives
To be able to perform analysis on power systems with regard to load flow, faults and system
stability
Outline Syllabus
1.
Power Flow Analysis: (8 hrs)
Analogue methods of pow
78 A systems approach to circuits, measurements and control
2.2 Transformations, canonical forms and eigen-values
Introduction
We have seen how the dynamics of a linear, time invariant network may be
represented by a set of linear state-space equations, d
164 A systems approach to circuits, measurements and control
3.3
Modern trends in circuit analysis and design
In this section, we will briefly examine some of the more modern trends in circuit
analysis and design, especially those techniques that attempt
2
State and state space
We have been studying electrical circuits with reference to the complex
frequency s and the s-plane. You have seen this to be a technique that is most
convenient, especially when you are interested in the steady-state behaviour of
1
Transform methods
Some of the different forms of a signal, obtained by transformations, are shown
in the figure.
X(s)
L
s jw
-1
jw s
L
X(t)
F
X(jw)
-1
F
F
X*(t)
X*(jw)
-1
F
jwt
jwt
e
X(nT)
Z
-1
Z
z
z e
w=(z-1)/(z+1)
X(z)
X(w)
z=(1+w)/(1-w)
We will very
3
Synthesis of analogue circuits
We have studied how (network) functions, systems of differential equations,
matrices and other mathematical abstractions can represent physical reality. We
will now look at this from the other side can we construct physica
94 A systems approach to circuits, measurements and control
2.3
Solution of network equations
Introduction
Sparse matrices are an important phenomenon in engineering. They occur
regularly in network problems, and so, special methods used in their solution
158 A systems approach to circuits, measurements and control
3.2
Active filters
The filters that we have studied so far have all been passive filters that is, they
consisted only of passive components. The Butterworth and Chebyschev filters
were both pass
2. Review of Basic Concepts - Professor J R Lucas
2.1
2.1.1
2.1.2
2.1.3
2.2
2.2.1
2.2.2
2.2.3
2.3
2.3.1
2.3.2
2.3.3
2.3.4
Single Phase Power
Active Power
Power Factor and Reactive Power
Complex Power
Three Phase Systems
Balanced Three Phase Systems - Phas
University of Moratuwa, Sri Lanka B Sc Engineering Degree Course
EE 201 - THEORY OF ELECTRICITY Short Answers
Level 2 Semester 2 Examination - March 2008
C
L
r
(a) For the circuit diagram shown on the right
Using differential operator as p = d/dt
R
1
v(t
University of Moratuwa, Sri Lanka
B Sc Engineering Degree Course
EE 201 - THEORY OF ELECTRICITY Short Answers
Level 2 Semester 1 Examination - January 2004
1. (a)
Ph =
B
1
d
v.i. dt = f . N .i. dt = f . A.dB.H .l
T
dt
H
dB
= f . H .dB.volume
H
Hysteresis
University of Moratuwa, Sri Lanka
B Sc Engineering Degree Course
EE 201 - THEORY OF ELECTRICITY Short Answers
Level 2 Semester 1 Examination - March 2005
1. (a) volume = V, lamination thickness = t, alternating flux density peak value = Bm, frequency = f.