LECTURE 3
THERMODYNAMICS
An Engineering Approach
Mass & Energy Analysis of Control Volume
Examples of Steady-State Devices
The 2nd Law of Thermodynamics
Dr. MinJun Kim
Department of Mechanical Engineering & Mechanics
Drexel University
Control Volume
Fluid

LECTURE 2
THERMODYNAMICS
An Engineering Approach
Chapter 2, Part 1:
Energy, Energy Transfer, and
General Energy Analysis
Dr. MinJun Kim
Department of Mechanical Engineering & Mechanics
Drexel University
1
MEM310-A
Announcements
Reading Assignment:
Chapter

LECTURE 1
THERMODYNAMICS
An Engineering Approach
Chapter 1:
Introduction and Basic Concepts
Dr. MinJun Kim
Department of Mechanical Engineering & Mechanics
Drexel University
1
MEM310-A
On Thermodynamics
Thermodynamics is a funny subject.
The first time y

LECTURE 6
THERMODYNAMICS
An Engineering Approach
Chapter 6:
The Second Law of Thermodynamics
Dr. MinJun Kim
Department of Mechanical Engineering & Mechanics
Drexel University
1
Announcements
Reading Assignment:
Chapter 8
by lecture this Thursday
Chapter 9

LECTURE 7 Complementer
THERMODYNAMICS
An Engineering Approach
ENTROPY
Dr. MinJun Kim
Department of Mechanical Engineering & Mechanics
Drexel University
T dS Equations
In the absence of overall system motion and the effect of gravity, an energy
balance in

LECTURE 8
THERMODYNAMICS
An Engineering Approach
Chapter 8:
Exergy
Dr. MinJun Kim
Department of Mechanical Engineering & Mechanics
Drexel University
1
Exergy: Work Potential of Energy
Exergy: The useful work potential of a given amount of energy
at some s

LECTURE 4
THERMODYNAMICS
An Engineering Approach
Chapter 3, Part 2:
Ideal Gases
Chapter 4:
Energy Analysis of Closed Systems
Dr. MinJun Kim
Department of Mechanical Engineering & Mechanics
Drexel University
1
2
1
Chapter 4 Key Points
Any System
Idea

LECTURE 3
THERMODYNAMICS
An Engineering Approach
The
1st
Chapter 2, Part 2:
Law of Thermodynamics
Chapter 3:
Properties of Pure Substances, Ideal Gases
Dr. MinJun Kim
Department of Mechanical Engineering & Mechanics
Drexel University
1
MEM310-A
Candy Triv

LECTURE 7
THERMODYNAMICS
An Engineering Approach
Chapter 7:
Entropy
Dr. MinJun Kim
Department of Mechanical Engineering & Mechanics
Drexel University
1
Candy Question
Name the 1993 movie and character
which popularized chaos theory.
2
1
Candy Question
3
C

LECTURE 5
THERMODYNAMICS
An Engineering Approach
Chapter 5:
Mass and Energy Analysis of Control Volumes
Dr. MinJun Kim
Department of Mechanical Engineering & Mechanics
Drexel University
1
MEM310-A
Candy Question
What is the power of a typical
waterjet cut

MEM 310: Thermodynamic Analysis I
Fall 2011 Problems and Solutions for Recitation Meeting 9
Wednesday, November 16, 2011 1. Lecture notes 06, Example III Nitrogen enters a turbine operating at steady state at Pi = 100 bar and Ti = 300 K and exits at Po =

MEM 310: Thermodynamic Analysis I
Fall 2011
Problems and Solutions for Recitation Meeting 8
Wednesday, November 9, 2011
1. Refrigerant-134a is the working uid in an ideal vapor-compression refrigeration cycle that communicates thermally with a cold region

MEM 310: Thermodynamic Analysis I
Fall 2011
Problems and Solutions for Recitation Meeting 7
Wednesday, November 2, 2011
1. At the beginning of the compression process of an air-standard dual cycle with a compression ratio of
18, the temperature is T1 = 30

LECTURE 2
THERMODYNAMICS
An Engineering Approach
The 1ST Law of Thermodynamics/Properties of Pure Substances
Ideal Gases/Energy Analysis of Closed System
Dr. MinJun Kim
Department of Mechanical Engineering & Mechanics
Drexel University
The 1st Law of Ther

LECTURE 1
THERMODYNAMICS
An Engineering Approach
Introduction Concepts and Definitions
Energy, Energy Transfer, and General Energy Analysis
Dr. MinJun Kim
Department of Mechanical Engineering & Mechanics
Drexel University
Syllabus
Grading
Homework & Recit

MEM 310: Thermodynamic Analysis I
Fall 2011
Homework 2
Assigned Wednesday, September 28, 2011
Due Wednesday, October 5, 2011 in recitation
1. A frictionless piston-cylinder device contains 3 kg of water and no other substances. Initially, the water
is at

MEM 310: Thermodynamic Analysis I
Fall 2011
Homework 1
Assigned Wednesday, September 21, 2010
Due Wednesday, September 28, 2011 in recitation
1. The water in a tank is pressurized with air and the pressure is measured by a multiuid manometer as
shown in t

MEM 310: Thermodynamic Analysis I
Fall 2011
Problems and Solutions for Recitation Meeting 1
Wednesday, September 21, 2011
1. A piston cylinder with a cross-sectional area of A1 = 0.01 m2 is connected via a hydraulic line to
another pyston cylinder with a

MEM 310: Thermodynamic Analysis I
Fall 2011
Problems and Solutions for Recitation Meeting 2
Wednesday, September 28, 2011
1. A frictionless piston-cylinder device contains V1 = 1 m3 of saturated water vapor at a temperature of
T1 = 300 C, and no other sub

MEM 310: Thermodynamic Analysis I
Fall 2011 Problems and Solutions for Recitation Meeting 3
Wednesday, October 5, 2011 1. Steam enters a turbine operating at steady state with a mass flow rate of mi = mo = 4600 kg/h = 1.278 kg/s. The turbine produces a po

MEM 310: Thermodynamic Analysis I
Fall 2011
Problems and Solutions for Recitation Meeting 4
Wednesday, October 12, 2011
1. During steady-state operation a parallel-shaft gearbox receives 600 kW through the high-speed shaft,
but owing to friction and other

MEM 310: Thermodynamic Analysis I
Fall 2010
Problems and Solutions for Recitation Meeting 5
Wednesday, October 19, 2011
1. Steam is the working uid in an ideal Rankine cycle. Saturated vapor enters the turbine at P1 =
8.0 MPa and saturated liquid exits th

LECTURE 10
THERMODYNAMICS
An Engineering Approach
Chapter 10:
Vapor and Combined Power Cycles
(The Rankine Cycle)
Dr. MinJun Kim
Department of Mechanical Engineering & Mechanics
Drexel University
Candy Question
How hot did Fukushima Reactor 2 get in
the r

LECTURE 13
THERMODYNAMICS
An Engineering Approach
Chapter 13:
Gas Mixtures
Dr. MinJun Kim
Department of Mechanical Engineering & Mechanics
Drexel University
1
MEM310-A
Announcements
Reading Assignment:
Chapter 14
by lecture this Thursday
Chapter 15
by lec

LECTURE 11
THERMODYNAMICS
An Engineering Approach
Chapter 11: Refrigeration Cycles
Dr. MinJun Kim
Department of Mechanical Engineering & Mechanics
Drexel University
1
Chapter 11 in One Slide
Refrigerator = Heat Pump
Like Carnot Rankine,
Reversed Carnot Va

MEM 310: Thermodynamic Analysis I
Fall 2011
Homework 3 Solutions
Thursday, October 12, 2011
1. (a) We know the velocity and cross-sectional area of the incoming stream of steam, so the mass ow
rate can be found simply by using the specic volume of steam a

MEM 310: Thermodynamic Analysis I
Fall 2011
Homework 4 Solutions
Thursday, October 20, 2011
1. (a) As the process is isothermal, the working uid and the heat sink are both at the same, constant
temperature, 300 K, and therefore this is the temperature at

MEM 310: Thermodynamic Analysis I
Fall 2011
Homework 6 Solutions
Thursday, November 10, 2011
1. Table A-1 gives R = 0.2870 kJ/(kg K) for air, while table A-17 provides the ideal-gas properties of air
across a wide range of temperatures. The calculations f

MEM 310: Thermodynamic Analysis I
Fall 2011
Homework 5 Solutions
Thursday, November 3, 2011
1. We present the results table rst, followed by the calculations:
Stage
1
2
3
4
T (K)
325.55
282.06
282.06
x
1
0.97586
0
0
v (m3 /kg)
0.014107
0.049983
0.0007907

MEM 310: Thermodynamic Analysis I
Fall 2011
Homework 2 Solutions
Thursday, October 6, 2011
1. (a) From table A-4 in the text, the specic volume of saturated liquid water at 250 C is:
v1 = vl,250 C = 0.001252 m3 /kg.
So the initial volume of the water tank