ME3122-1
TEMPERATURE MEASUREMENTS
2012/2013
Department of Mechanical Engineering
National University of Singapore
AS A SAFETY MEASURE, WEARING OF SHOES DURING EXPERIMENTS IS
MANDATORY
TABLE OF CONTENT
ME3122-2 FORCED CONVECTION HEAT TRANSFER
SEMESTER 5
2012/2013
Department of Mechanical Engineering
National University of Singapore
AS A SAFETY MEASURE, WEARING OF SHOES DURING
EXPERIMENTS IS MANDATOR
5. Plane motion Newtons 2nd law
Outline
Momentum
Forces
Moments
Preview of equations
~L = M~vG
~ G = IG ~
H
and
and
~ = M~aG
F
~ G = IG
M
~
1 / 35
Linear momentum I
Linear momentum
X
~L =
mq ~vq
for
4. Mass properties
Outline
Center of mass
Moment of inertia
1 / 29
Mass of a rigid body
Total mass
X
M=
mq
for a system of particles
q
=
Z
B
dmQ =
Z
Q dV
for a continuum body
V
2 / 29
Center of mass
ME3122-2 FORCED CONVECTION HEAT TRANSFER
* Students are to bring a thumbdrive to the laboratory session to download experimental
data.
SEMESTER 5
2017/2018
Department of Mechanical Engineering
Nationa
Supplementary Examples 3
ME3112 Mechanics of Machines
1
Centre of Mass
Mass moment of Inertia
2
Example Centre of Mass of a telescope
A three-sectioned telescopic aerial is extended horizontally. T
Supplementary Examples 1
From Beer and Johnston (10th Edition)
ME3112 Mechanics of Machines
1
Kinematics of Particles (Revision)
Drop test of electronic packaging
A simple spring collar mechanism
2
Supplementary Examples 5
ME3112 Mechanics of Machines
Energy Method, mainly from Beer and Johnston main text.
Sample problem 17.2
The system is at rest when a moment
of M 6 N m is applied to gear B.
ME3122 Heat Transfer
1. Introduction
Department of Mechanical Engineering
National University of Singapore
AY2015/16 Semester 1
Course Objective
To develop proficiency in applying basic heat
transfer
ME3122 Solutions to Tutorial Set 3
1. Using the energy integral equation determine an expression for the heat transfer
coefficient by assuming the following velocity and temperature profiles:
u u cons
ME3122 Heat Transfer
2. Conduction
Department of Mechanical Engineering
National University of Singapore
AY2015/16 Semester 1
FUNDAMENTAL CONCEPTS
OF CONDUCTION
ME3122 Heat Transfer
2
Introduction
Co
ME3122/ME3122E
NATIONAL UNIVERSITY OF SINGAPORE
ME3122/NIE3122E HEAT TRANSFER
(Semester I : AY2009/2010)
Time Allowed : 2 Hours
W
INSTRUCTIONS TO CANDIDATES:
1. This examination paper contains FOUR (4
ME3122/ME3122E
NATIONAL UNIVERSITY OF SINGAPORE
ME3122/ME3122E HEAT TRANSFER
(Semester I : AY2010/2011)
Time Allowed : 2 Hours
INSTRUCTIONS TO CANDIDATES:
1.
This examination paper contains FOUR (4) q
ME3122E
NATIONAL UNIVERSITY OF SINGAPORE
EXAMINATION FOR
ME3122E HEAT TRANSFER
(Semester I: 2011/2012)
Time Allowed: 2 Hours
_
INSTRUCTIONS TO CANDIDATES
1. This examination paper contains FOUR (4) qu
ME3122/TM2122
NATIONAL UNIVERSITY OF SINGAPORE
ME3122/TM2122 HEAT TRANSFER
(SemesterI : AY2008/2009)
Time Allowed : 2 Hours
INSTRUCTIONS TO CANDIDATES:
1. This examination paper contains FOUR (4) ques
Supplementary Examples 2
ME3112 Mechanics of Machines
1
Example 1 (by simple geometrical relations)
Two slider blocks are connected by a rod of length 2 m. Also, vA = 8 m/s and aA = 0. Find
the angul
ME3112 Mechanics of Machines
Part II
FREE VIBRATION
Learning Outcomes
Recognize the basic features of a free undamped vibration system, and its simple
harmonics motion.
Able to derive the equation o
Tutorial 1 (Weeks 1-2)
1) Please indicate whether the following statements are true or false. If true, give
reasons. If false, give examples to show that it is false.
a) A good electrical insulator is
Tutorial 3 (Week 10-11)
1) Please indicate whether the following statements are true or false. If true, give reasons.
If false, give examples to show that it is false.
a) All materials emit radiation,
Tutorial 2 (Weeks 3-4)
1) Please indicate whether the following statements are true or false. If true, give
reasons. If false, give examples to show that it is false.
a) If the temperature profile of
ME3122-2 FORCED CONVECTION HEAT TRANSFER
SEMESTER 5
2013/2014
Department of Mechanical Engineering
National University of Singapore
AS A SAFETY MEASURE, WEARING OF SHOES DURING EXPERIMENTS IS
MANDATOR
ME3122-1
TEMPERATURE MEASUREMENTS
Informal Report
24 August 2011
Prepared by
YANTO
U096156W
Group 3I2
Department of Mechanical Engineering
National University of Singapore
Objectives:
To calibrate dif
ME3122-1 TEMPERATURE MEASUREMENTS
2013/2014
Department of Mechanical Engineering
National University of Singapore
AS A SAFETY MEASURE, WEARING OF SHOES DURING EXPERIMENTS IS
MANDATORY. WEARING ANY KIN
ME3122-1
TEMPERATURE MEASUREMENTS
2011/2012
Department of Mechanical Engineering
National University of Singapore
AS A SAFETY MEASURE, WEARING OF SHOES DURING EXPERIMENTS IS
MANDATORY
TABLE OF CONTENT
Question 1
A 10-kg uniform cylinder can roll without sliding on a 15-incline. A belt is attached to the rim of the
cylinder, and a spring holds the cylinder at rest in the position shown. If the cente
Tutorial 1 Question 2
In the gear arrangement shown, gears A and C are
attached to rod ABC, which is free to rotate about B,
while the inner gear B is fixed. Knowing that the system
is at rest initial
Question 1
A variable-speed motor is rigidly attached to a beam BC. When the speed of the
motor is less than 600 rpm or more than 1200 rpm, a small object placed at A is
observed to remain in contact
Supplementary Examples 4
ME3112 Mechanics of Machines
1
Example 1
A 50 kg crate rests on a horizontal
surface for which the kinetic friction
coefficient k = 0.2.
Determine the acceleration of the
cr
ME3112 Mechanics of Machines
Part II
DAMPED FORCED HARMONIC VIBRATION
Damped Forced Harmonic Vibration
Now, let us consider the damped system under
harmonic excitation.
0
+ 2 + 2 =
where =
.
In t