The University of Texas at San Antonio San Antonio
Engineering Analysis
ENGINEERIN 2323

Spring 2011
Step1 of 3
It is given that
1*1 . [1)
Provide feedback cfw_0
Stop: of 3
We know that by convolution,
[f*gj[ij=jfl:fjg[T)dt . (2)
Provide feedback cfw_0
Step3 of 3
We got
1*1=I[1*1)n1r
Thus, the solution
The University of Texas at San Antonio San Antonio
Engineering Analysis
ENGINEERIN 2323

Spring 2011
Step1 of 3
It is given that
y(:)+j(:r)y(r)o=1 . (1)
Provide feedback cfw_0
Stop: of 3
From equation cfw_1), we see that the given equation ean be written as a eonvolution
y+y* =1 . [2)
The University of Texas at San Antonio San Antonio
engineering analysis
ENGINEERIN 2322

Fall 2015
MECHANICAL ENGINEERING SCIENCE
UNITS AND VECTORS
TaraSue Rhoden
Mechanical Engineering Dept.
University of Technology, Jamaica
OFFICE HOURS
Schedule time is:
Monday : 2:00 3:00 pm
Thursday : 3:00 4:00
*Contact Lecturer for special
pmarrangements
2
COURSE
The University of Texas at San Antonio San Antonio
engineering analysis
ENGINEERIN 2322

Fall 2015
MECHANICAL ENGINEERING SCIENCE
LECTURE 1: UNITS AND VECTORS
Dr. Kavian O. Cooke
Mechanical Engineering Dept.
University of Technology, Jamaica
ocation: 1A31, 1B4 and 1A27
Activities:
Present new material
Announce reading and homework
Take quizzes an
The University of Texas at San Antonio San Antonio
engineering analysis
ENGINEERIN 2322

Fall 2015
Equations of motion
Mechanical Engineering Science
Dr. Kavian O. Cooke
University of Technology
Newtons Laws of motion
An object at rest will remain at rest unless acted on by an unbalanced
force. An object in motion continues in motion with the same spe
The University of Texas at San Antonio San Antonio
engineering analysis
ENGINEERIN 2322

Fall 2015
Simple Machines
A machine is a device that helps make work easier to perform.
(Remember, Work = Force X Distance). A machine makes work easier
to perform by accomplishing one or more of the following functions:
transferring a force from one place to anot
The University of Texas at San Antonio San Antonio
engineering analysis
ENGINEERIN 2322

Fall 2015
Friction and Equilibrium
Dr
Objectives: After completing this
module, you should be able to:
Define
Define and
and calculate
calculate the
the coefficients
coefficients of
of
kinetic
kinetic and
and static
static friction,
friction, and
and give
give the
The University of Texas at San Antonio San Antonio
engineering analysis
ENGINEERIN 2322

Fall 2015
Moment of Inertia
1. Determine the moment of inertia of the beams
crosssectional area about the y axis.
2. Determine the moment of inertia of the beams
crosssectional area about the x axis.
3. (a) Determine the moment of inertia of the
composite area ab
The University of Texas at San Antonio San Antonio
engineering analysis
ENGINEERIN 2322

Fall 2015
Faculty of Engineering and
Technical Studies
Mechanical engineering science
Centroids and Moment of Inertia
Dr. Kavian O. Cooke
Mechanical Engineering Dept.
University of Technology, Jamaica
Outline
Introduction
Objectives
Centre of Gravity and Centre of
The University of Texas at San Antonio San Antonio
engineering analysis
ENGINEERIN 2322

Fall 2015
Mechanical engineering science
Analysis of Structures
Analysis of Structures
Dr. Kavian O. Cooke
Mechanical Engineering Dept.
University of Technology, Jamaica
Introduction
For the equilibrium of structures made of several
connected parts, the internal f
The University of Texas at San Antonio San Antonio
Fluids mechanic
ENGINEERIN 3342

Fall 2014
Problem 4.54
Problem
4.68
[Difficulty: 2]
4.54
Given:
Water flowing past cylinder
Find:
Horizontal force on cylinder
V
y
c
x
Solution:
CS
Rx
Basic equation: Momentum flux in x direction
d
V
Assumptions: 1) Steady flow 2) Incompressible flow 3) Atmospheric
The University of Texas at San Antonio San Antonio
Fluids mechanic
ENGINEERIN 3342

Fall 2014
The University of Texas Rio Grande Valley
College of Engineering and Computer Science
Department of Civil Engineering
CIVE 3115
Fluid Mechanics & Hydraulics Laboratory
Fall 2016
Laboratory Section # 3115 B
Group # 3
Laboratory Analysis For
Draining Effect
The University of Texas at San Antonio San Antonio
Fluids mechanic
ENGINEERIN 3342

Fall 2014
Problem 4.100
Problem
4.128
[Difficulty: 3]
4.100
d
CS (moves
at speed U)
c
y
Rx
Ry
Given:
Water jet striking moving vane
Find:
Force needed to hold vane to speed U = 10 m/s
x
Solution:
Basic equations: Momentum flux in x and y directions
Assumptions: 1)
The University of Texas at San Antonio San Antonio
Fluids mechanic
ENGINEERIN 3342

Fall 2014
The University of Texas Rio Grande Valley
College of Engineering and Computer Science
Department of Civil Engineering
CIVE 3115
Fluid Mechanics & Hydraulics Laboratory
Fall 2016
Laboratory Section # 3115 B
Group # 3
Laboratory Analysis For
Wind Tunnel 3
P
The University of Texas at San Antonio San Antonio
Fluids mechanic
ENGINEERIN 3342

Fall 2014
Problem 4.26
(Difficulty: 2)
4.26 A pipeline 0.3 in diameter divides at a into two branches 200 and 150 in diameter. If
the flow rate in the main line is 0.3
flow rate in the 150 pipe?
3
and the mean velocity in the 200 pipe is 2.5
, what is the
Given: Th
The University of Texas at San Antonio San Antonio
Fluids mechanic
ENGINEERIN 3342

Fall 2014
ONE 3315 Fluid Mechanics & Hydraulics UTRGV
Hydraulic Grade Line & Energy Grade Line
Determine the head supplied by the pump and determine the power (in unit of hp) supplied to e
ow. Sketch HGL and EGL along the pipeline and provide label (pressure head,
The University of Texas at San Antonio San Antonio
THERMODYNAMICS
ENGINEERIN 3293

Fall 2009
UI'SA .
ME 3293  001 Thermodynamics I Name: $011le73
Exam 4, Fall 2014 (please print)
Problem 1 (30 points)
Determine the fbllowing for an isentrogie process between state 1 and state 2.
a. Air as an ideal gas, TI 2 6? CC, p. = 2 bar, T2 = 167 C. Find
The University of Texas at San Antonio San Antonio
THERMODYNAMICS
ENGINEERIN 3293

Fall 2009
1H,] Calculator mouel and number useu m we exam:
Part A 28 pointsTrue/False or Multiple Choice questions No partial credit)
Use a # 2 pencil to complete a ParScore form. Include your name, 1]) number (excluding @), and the
exam version.
General Instr
The University of Texas at San Antonio San Antonio
THERMODYNAMICS
ENGINEERIN 3293

Fall 2009
.,
Exam Version ,4
NAME:
ME 3293001 Thermodynamics I, Fall 2013
KF
First ~xarnination (9125113)
Calculator model and number used in the exam:
Part 1(21 pointsTruemalse or Multiple Choice questions No parti credif)
Use a # 2 pencil to complete a ParS
The University of Texas at San Antonio San Antonio
THERMODYNAMICS
ENGINEERIN 3293

Fall 2009
4.2 Refrigerant 134a exits a heat exchanger through 0.75in.diameter tubing with a mass flow
rate of 0.9 lb/s. The temperature and quality of the refrigerant are 15oF and 0.05, respectively.
Determine the velocity of the refrigerant, in m/s.
KNOWN: Mass
The University of Texas at San Antonio San Antonio
THERMODYNAMICS
ENGINEERIN 3293

Fall 2009
Problem 2.56
Each line of the following table gives data for a process of a closed system. Each entry has the
same energy units. Determine the missing entries.
Process
a
b
c
d
e
Process
a
b
c
d
e
Q
+50
W
E1
20
+20
60
40
+50
Q
+50
+50
40
90
+50
E2
+50
The University of Texas at San Antonio San Antonio
THERMODYNAMICS
ENGINEERIN 3293

Fall 2009
Problem 2.14
An object whose mass is 100 lb falls freely under the influence of gravity from an initial
elevation of 600 ft above the surface of Earth. The initial velocity is downward with a
magnitude of 50 ft/s. The effect of air resistance is negligibl
The University of Texas at San Antonio San Antonio
THERMODYNAMICS
ENGINEERIN 3293

Fall 2009
PROBLEM 3.92
Determine the volume, in m3, occupied by 2 kg of H2O at 100 bar, 400oC, using (a) data from the
compressibility chart, (b) data from the steam tables.
Compare the results of parts (a) and (b) and discuss.
H2O
V = ?
m = 2 kg
p = 100 bar
T = 40
The University of Texas at San Antonio San Antonio
THERMODYNAMICS
ENGINEERIN 3293

Fall 2009
4.99 Figure P4.99 shows a turbinedriven pump that provides water to a mixing chamber located
25 m higher than the pump. Steadystate operating data for the turbine and pump are labeled on
the figure. Heat transfer from the water to its surroundings occur
The University of Texas at San Antonio San Antonio
THERMODYNAMICS
ENGINEERIN 3293

Fall 2009
PROBLEM 3.5
Determine the phase or phases in a system consisting of H2O at the following conditions and
sketch the pv and Tv diagrams showing the location of each state.
(a)
(b)
(c)
(d)
(e)
p = 100 lbf/in.2, T = 327.86oF
p = 100 lbf/in.2, T = 240oF
T =
The University of Texas at San Antonio San Antonio
THERMODYNAMICS
ENGINEERIN 3293

Fall 2009
1.7 A person whose mass is 150 lb weights 144.4 lbf. Determine (a) the local acceleration of
gravity, in ft/s2, and (b) the persons mass, in lb, and weight, in lbf, if g = 32.174 ft/s2.
(a) Fgrav = mg
g
Fgrav
m
144.4 lbf 32.174 lb ft/s2
= 30.97 ft/s2
150