MEEN 2210 THERMODYNAMICS I
Homework set #3 due by Friday, February 12, 5 pm
1. A 5-cm-external-diameter, 10-m-long hot-water pipe at 80C is losing heat to the
surrounding air at 5C by natural convection with a heat transfer coefficient of 25 W/m2
C. Dete
1. Determine the energy required to accelerate
an 800kg car from rest to 100km/h on a level
road.
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/ P3
0
il
3
6(9(9
9
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t
z(560K5),(T ; - coq ;
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clooti(215: rnS,- 30 VAL(17-306! 4-A'12, 30gc,q/. q763099 /13412* 6-2
MEEN 2210 THERMODYNAMICS I
Homework set #10 due by Friday, April 22, 5 pm
1. As shown in Fig. 1, a hot thermal reservoir is separated from a cold
thermal reservoir by a cylindrical rod insulated on its lateral surface.
Energy transfer by conduction bet
1. systems of linear equations
18. Row reduce the augemented matrix corresponding to the given system of
three equations:
24 4 4 24 4 4 24 4 4
012
23 0 0
0 1 4 4
006
6
The system is consistent, there is only one solution. So the three planes have only
on
Physics 1730
February 26, 2015
Experiment 5
Friction and the Inclined Plane
Cortevios K. Allen
Physics 1730
February 26, 2015
Introduction
The importance of testing friction with an inclined plane
is to see how machinery makes work easier. The force that
EXAM #1 REVIEW
SOCI 1510: Introduction to Sociology
Fall, 2015
Everything listed here is in your power point presentations, in the text, or was presented in class
lectures. If you have trouble finding anything feel free to ask.
Definitions of social struc
MEEN 1000
Fall 2015
DSouza
MEEN 1000 Discover Mechanical and Energy Engineering
Fall 2015
Instructor:
Dr. Nandika Anne DSouza
ndsouza@unt.edu
(940) 565-2979
Office: A160A
Office Hours: Wed 2-3 pm or by appointment (please send an email to
ndsouza@unt.edu)
Problem 1: Projectile motion of ball in Baseball game
Initial velocity, vi (m/s)
10
Acceleration due to gravity, g (m/s )
-2
9.8
Variable
Initial angle (i)
Objective function
Maximum Distance, D (m)
Problem 3: Calculation of Brinkman Number
Dynamic viscos
Problem 1 - Maximum "Angular Displacement" of Pendulum
Initial angle (deg)
Mass (kg)
Drag coefficient
Diameter m)
17.00
100.00
0.47
1.50
Accelaration due to gravity (m/s2)
9.80
Density of air (kg/m3)
Length (m)
1.23
1.50
Problem 3 - Peclect Number
Diamete
Areas of application of
engineering thermodynamics
Chapter 1 Objectives
- Understand fundamental concepts of
thermodynamics
- Understand density, pressure, and
temperature
- Apply SI and English units and be able to
convert between them
- Understand the b
Energy and the First Law of
Thermodynamics
Objectives of this chapter are:
- To understand the concept of energy,
- To understand the energy conversion and work and
heat transfer,
- To understand the first law of thermodynamics and
- To organize these con