MECH 200
Intro to Thermodynamics
Guided Inquiry I: Closed System
(10 minutes)
Figure 1. Use the figures above to discuss the important features of closed and
isolated systems.
MECH 200
Intro to Thermodynamics
1. What is the mass of the closed system?
2. I
MECH 200
04-Work and 1st Law
Guided Inquiry I: Energy Balances in a
Closed System (10 minutes)
Setup the energy balance:
+
+ =
for each of the three systems shown below.
Figure 1. Use the figures to perform an energy balance.
MECH 200
04-Work and 1st Law
MECH 200
03-Energy
Guided Inquiry I: Potential and Kinetic
Energy (10 minutes)
Using Newtons laws of motion, we can quantify and describe the relationship
between two of the common types of energy a thermodynamic system may
possess. In the following quest
8/28/2017
MECH 200: Engineering Thermodynamics
03 Energy and Work
3
Instructor: Richard Eitel
Office: 317.2 W Nebraska Hall
E-mail: [email protected]
Office Hours:
By the end of todays class you should be able
to:
5
Use Newtonian mechanics to
describe kineti
8/30/2017
MECH 200: Engineering Thermodynamics
03 Energy and Work
3
Instructor: Richard Eitel
Office: 303B E Nebraska Hall
E-mail: [email protected]
Office Hours:
1-4 PM Tuesdays
Other times by
appointment
By the end of todays class you should be able
to:
8/23/2017
MECH 200: Engineering Thermodynamics
02 Properties of a System
3
Instructor: Richard Eitel
Office: 303B E Nebraska Hall
E-mail: [email protected]
Office Hours:
1-4 PM Tuesdays
Other times by
appointment
By the end of class you should be able to:
MECH 200
02-Defining the Properties of a System
Guided Inquiry I:
(10 minutes)
Consider an amount of matter is that is uniform in temperature and imagine it is
composed of several parts, as illustrated in Figure 1 below.
Figure 1. Use the figures above to
8/21/2017
MECH 200: Engineering Thermodynamics
NH W213 M,W,F @ 9:30-10:20 AM
Instructor: Richard Eitel
Office: 317.2 W Nebraska Hall
E-mail: [email protected]
Office Hours:
10:30-11:30 PM M&W
Other times by
appointment
Years of educational research shows t
MECH 200
04-Work and 1st Law
Example Problem A: Compression of a Gas
in a Cylinder (Moran 2.28)
A gas in a piston-cylinder assembly undergoes a compression process for which
. The
the relation between pressure and volume is given by
m the final volume is
PS1-Problem Set #1
Methodology for Solving Thermodynamic problems
FIVE SIX STEP METHOD (After Moran, p 24):
1. Known: State briefly in your own words what is known. This requires that you read
the problem carefully and think about it.
2. Find: State conci
Designation: C192/C192M 14
Standard Practice for
Making and Curing Concrete Test Specimens in the
Laboratory1
This standard is issued under the fixed designation C192/C192M; the number immediately following the designation indicates the year
of original a
Designation: C128 12
Standard Test Method for
Density, Relative Density (Specific Gravity), and Absorption
of Fine Aggregate1
This standard is issued under the fixed designation C128; the number immediately following the designation indicates the year of
Designation: C39/C39M 14a
Standard Test Method for
Compressive Strength of Cylindrical Concrete Specimens1
This standard is issued under the fixed designation C39/C39M; the number immediately following the designation indicates the year of
original adopti
Designation: C150/C150M 12
Standard Specification for
Portland Cement1
This standard is issued under the fixed designation C150/C150M; the number immediately following the designation indicates the year
of original adoption or, in the case of revision, th
Designation: C143/C143M 12
Standard Test Method for
Slump of Hydraulic-Cement Concrete1
This standard is issued under the fixed designation C143/C143M; the number immediately following the designation indicates the year
of original adoption or, in the cas
Designation: C127 12
Standard Test Method for
Density, Relative Density (Specific Gravity), and Absorption
of Coarse Aggregate1
This standard is issued under the fixed designation C127; the number immediately following the designation indicates the year o
Designation: C 109/C 109M 071
Compressive Strength of Hydraulic Cement Mortars (Using
2-in. or [50-mm] Cube Specimens)1
This standard is issued under the fixed designation C 109/C 109M; the number immediately following the designation indicates the year
o
Chapter 2
Weight-Volume Relationship
2. Weight-Volume Relationship
Water
Air
Phase Diagram
Vv
V
Va
Air
Vw
Water
Ww
Vs
Solids
Ws
Wa = 0
W
Solids
Soil is a combination of solids, water, and air. These three phases must all
be considered to determine w
Chapter 4
Plasticity, Structure, and Mineralogy
of Soil
4. Plasticity, Structure, and Mineralogy of Soil
Particle size analysis discloses very little about the
engineering properties of very fine-grained soils in
which the clay minerals predominates.
Chap 6. Soil Compaction
Compaction General Principles
Op#mum moisture content
Standard Proctor Test
Standard Proctor test
(ASTM D698):
5.5-lb. Hammer
12-in. drop
3 layers of soil @ 25 blows/
layer
Compactive effort = 12,375 ftlbs./f
CE 3300
GEOTECHNICAL ENGINEERING I
Term: Spring 2015
Time: M/W (1:00 to 2:30 PM)
Location: Room 206, Tureaud Hall
Instructor: Dr. Shengli Chen, Assistant Professor
Office: R3507 Patrick Taylor Hall
Email: [email protected]
Chapter 1
Introduction to Geot
Chapter 3
Grain Size and Distribution
3. Grain Size and Distribution
Particle size: Gravel, sand, silt, or clay, depending on the predominant size
of particles within the soil.
Grain Size (mm)
0.001
0.01
0.1
Silt and Clay
Size (mm)
Sieve No.
10
Sand
Chapter 5
Classification of Soil
5. Classification of Soil
Textural
Classification
Developed by USDA
(U.S. Department of
Agriculture)
Department of
Civil & Environmental Engineering
5. Classification of Soil
Unified Soil Classification System
More than
12% fines
PI <4 or PI<0.73(LL-20)
GM
PI >7 or PI 0.73(LL-20)
GC
Cu4 and 1Cc3
GW
Cu<4 and/or 1>Cc>3
GP
PI <4 or PI<0.73(LL-20)
SM
PI >7 or PI 0.73(LL-20)
SC
Cu6 and 1Cc3
SW
Cu<6 and/or 1>Cc>3
SP
PI >7 or PI 0.73(LL-20)
CL
PI <4 or PI<0.73(LL-20)
Angles needs to be measured from a positive axis going toward the other
positive axis until we reach the vector.
Examples:
Z+
Wrong as here we are
moving toward the z-
X+
X-
ZZ-
Wrong as here we are
moving toward the z-
X+
No back to the problem we tried
MENG 2230
STATICS
Dr. Fadi Alsaleem
Lecture 2
The slides are adapted from the text book, Vector mechanics for engineers
Expressing a Vector in 3-D Space
If the direction cosines are given:
With the angles between F and the axes,
Fx F cos x Fy F cos y Fz
MENG 2230
STATICS
Dr. Fadi Alsaleem
The slides are adapted from the text book, Vector mechanics for engineers
What is Mechanics?
Mechanics is the study of bodies under the action of forces.
Categories of Mechanics:
- Rigid bodies
- Statics bodies at res
MENG 2230
STATICS
Dr. Fadi Alsaleem
Lecture 2
The slides are adapted from the text book, Vector mechanics for engineers
Check this .
http:/www.physicsclassroom.com/Physics-Interactives/Vectors-andProjectiles/Vector-Addition/Vector-Addition-Interactive
2-2
Define an angle between the force and any coordinate axis, provided the angle is <=90. Use the cosine
and sine to find the force components on the nearest axis. If any of these component lies in a negative
coordinate add a - sign. Please consider the belo