ME 322
Mechanical Engineering Thermodynamics

Course Resources

Course Description
Thermodynamic properties of substances, first and second laws of thermodynamics, thermodynamic analysis of mechanical engineering thermal components and cycles, psychrometric processes, and introduction to combustion systems.  Prerequisites: Chem 111, Phys 211, junior certification or permission.

Office Hours (GJ 234H)

  • Monday and Wednesday 3:30
  • Tuesday 3:00 (half hour)
  • Thursday 12:30 (after ME 123 labs get out)
 
WEEK 1: Jan 8 - 12    
Pre-Class Preparation In-Class Activity Post-Class Assignment
Wednesday



Course Syllabus

Syllabus Activity

ME Curriculum Sheet

LECT 1 - Introduction

Preview and expectations of homework

2012 United States Energy Flow
2013 United States Energy Flow
2014 United States Energy Flow
2015 United States Energy Flow
Homework #1
Friday

Read Balmer - Preface & Chapt 1
* engineering problem solving
* units and dimensions
* temperature units
* English system
* SI system
* chemical units
  (gmole, kgmole, lbmole)
* fundamental & derived units
* significant figures
* potential energy
* kinetic energy

Bring your Thermodynamic Tables

Review Today's Powerpoint Slides
Homework Debrief

Friday Funny

LECT 2 -  Unit Systems, Chemistry & Physics Concepts

Unit Conversion
Unit Conversion Activity
Activity Solution

Ideal Gas EOS

Engineering Solutions
(Example HW Format)

Problem Solving Rubric

Homework #2

HW2 Tips

WEEK 2: Jan 15 - 19      
Monday NO CLASS
Martin Luther King Day
 
Wednesday

Read Balmer 2.1-2.9
* isolated, closed, open systems
* phases of matter
* thermodynamic states
* thermodynamic processes
* pressure & temperature scales
* zero law of thermodynamics
* continuum hypothesis

Review Today's Powerpoint Slides


Homework Debrief

LECT 3 - Thermodynamic Concepts

EXAMPLE - Process Diagrams


Homework #3

HW3 Tips
Friday

Read Balmer 2.10-2.11
* balance concept
* conservation concept
* conservation of mass

Homework Debrief

Friday Funny

LECT 4 - Conservation and Balance Concepts

EXAMPLE - Cyclone Separator

EXAMPLE - Leaky Bucket

Homework #4

HW4 Tips
WEEK 3: Jan 22 - 26    
Monday

Read Balmer 3.1-3.8

* isobaric coefficient of
  volume expansion
* istohermal coefficient of
  compressibility
* system energy
* enthalpy
* phase diagrams (PT, Pv, Ts)
* quality

Review Today's Powerpoint Slides

Homework Debrief

LECT 5 - Thermodynamic Properties

EXAMPLE - Extracting Kappa

EXAMPLE - Squeezing Water 

Homework #5

HW5 Tips

Wednesday

Read Balmer 3.9-3.10

* incompressible substances
* ideal gases
* real fluids
* thermodynamic tables
* see Table 3.9!

Review Today's Powerpoint Slides
Homework Debrief

Study Groups
2018 Spring Tutoring Schedule

LECT 6 - PvT Behavior

EXAMPLE - Sample Property Calculations
Homework #6

HW6 Tips
Friday

Read Balmer 3.11-3.12


Bring your Thermodynamic Tables

Review Today's Powerpoint Slides
Homework Debrief

Friday Funny

LECT 7 - Thermodynamic Property Tables and Charts

EXAMPLE - Property Tables
Activity - Property Tables
Activity Solution
Homework #7

HW7 Tips

 

WEEK 4: Jan 29 - Feb 2    
Monday

Read Balmer 4.1-4.5
* 1st law of thermodynamics
* energy transport mechanisms
* point vs path functions



Homework Debrief

LECT 8 - 1st Law

EXAMPLE - Energy Accounting

EXAMPLE - Transmission Cooling

Homework #8

HW8 Tips

 

Wednesday

Examine Engineering Equation Solver resources (PDF and examples) located on the Mindworks website

     LECT 9 - EES Software

EES Orientation

Gravitational Force Problem

Accessing Properties

Drawing Property Diagrams

Sample Homework #1

Sample Homework #2 

Homework #9

HW9 Tips

Friday

Read Balmer 4.6-4.15
* mechanical work modes
* nonmechanical work modes
* work efficiency
* heat modes of energy transport
* thermodynamic problem solving
Homework Debrief

Friday Funny

LECT 10 - Work

Polytropic Exponents

EXAMPLE - Isothermal Work
Homework #10

HW10 Tips

Homework #11

HW11 Tips
WEEK 5: Feb 5 - 9    
Monday
Homework Debrief

Questions about practice exam

LECT 11 - Heat and Thermal Efficiency

Exam 1 Preparation
Practice Exam (calculations)

 

Wednesday


Bring Thermodynamic Table Supplement w/Handwritten Notes (no tape-ins)

One 8.5" x 11" paper with hand-written notes.

Bring extra pens/pencils

Bring extra batteries/calculators
EXAM 1

Problem Solving Best Practices Cited by Peers in ME322

EES Resources

Exam Preparation and Learning Best Practices Cited by Peers in ME322
Thermodynamic Problem Solving Methodology:

* Sketch System & Boundary
* Identify Unknowns
  (put them on sketch)
* Classify the System
  (open, closed, isolated)
* Identify Processes/States
* Write Governing Equations
   (including auxiliary eqns)
* Algebraically Solve
* Calculate Values
  (carrying units w/numbers)
* Check Results (eqns, algebra,
  calculations, signs, units)
* Reflect (on the problem,
  on the solution, on the
  problem solving process)
Friday

Read Balmer 5.1-5.9
* sealed, rigid containers
* power plants
* incompressible liquids
* ideal gases
* piston-cylinder devices
* unsteady processes
Friday Funny

LECT 12 - 1st Law for
Closed Systems


EXAMPLE - Cycle Application (Refrigeration System)

EXAMPLE - Process Application (Piston and Cylinder Device)
Homework #12

HW12 Tips

EXAM 1 Take-Home
WEEK 6: Feb 12 - 16    
Monday
Turn in EXAM 1 Take-Home


Exam Debrief

Homework Debrief

LECT 13 - Air Tables

Ideal Gas Properties w/EES

EXAMPLE - Using Air Tables in  Problem Solving
Homework #13

HW13 Tips
Wednesday

Read Balmer 6.1-6.5
* flow stream kinetic energies
* flow stream potential energies
* importance of enthalpy
* open system energy rate balance
* open system energy balance
Homework Debrief

LECT 14 - 1st Law for Open Systems

EXAMPLE - Chemical Reactor

EXAMPLE - Building Heating System
Homework #14

HW14 Tips
Friday

Read Balmer 6.6-6.10
* throttling devices
* throttling calorimeter
* heat exchangers
* turbines
* compressors
* pumps
Homework Debrief

Friday Funny

LECT 15 - Throttling Devices   and Heat Exchangers

EXAMPLE - Steam Whistle

EXAMPLE - Throttling Valve

EXAMPLE - Feedwater Heater
Homework #15

HW15 Tips
WEEK 7: Feb 19 - 23    
Monday


NO CLASS
Presidents' Day

 
Wednesday Homework Debrief

LECT 16 - Turbines, Compressors, and Pumps

EXAMPLE - Turbine

EXAMPLE - Compressor

EXAMPLE - Pump
Homework #16

Part A (steps 1 - 3) due in class Friday
Assignment due Monday
Friday

Complete and bring items (i)-(iii)
from Homework #16 with you.

***Meet in ALB 201***

Friday Funny

HW16 Activity

EES Show-Tell
- using the CONVERT function
- using Array Tables
- using Key Variables
- creating Property Plots
- creating Overlay Plots

HW16 EES Demo File

EES Consulting
(online references)


HW16 Tips
WEEK 8: Feb 26 - Mar 2    
Monday

Skim Balmer 7.1-7.9

* what is entropy?
* Clausius definition
* Kelvin definition
* absolute temperature scale
* entropy calculations
Homework Debrief

LECT 17 - Transient Analysis
(PDF version)

EXAMPLE - Isenthalpic Tank Emptying
Homework #17

HW17 Tips
Wednesday

Skim Balmer 7.10-7.17
* entropy production mechanisms
* entropy balance equation
Homework Debrief

LECT 18 - 2nd Law of Thermodynamics
(PDF version)
Homework #18

HW18 Tips
Friday

 
Homework Debrief

Friday Funny

LECT 19 - Calculation of Entropy Changes
(PDF version)

EXAMPLE - Sample Calculations for ideal gases, real fluids, and incompressible substances
Homework #19
(mock exam)

HW19 Tips
WEEK 9: Mar 5 - 9    
Monday (Guest Lecture)

Homework Debrief

LECT 20 - Entropy Balance Equation
(PDF version)

Exam 1 Preparation
(PDF version)

Exam 2 Preparation
(PDF version)

Sign-up for Steam Plant Tour
Homework #20
Due Monday after Break
(Steam Plant tour)

Practice Exam (non-multiple choice)
Practice Exam Solutions
Wednesday EXAM 2
Option 1 for Steam Plant Tour at 5pm Wednesday
Friday
Option 2 for Steam Plant Tour
during class time Friday.

SPRING BREAK: Mar 12 - 16    
Monday - Friday  NO CLASS - SPRING BREAK
 
WEEK 10: Mar 19 - 234    
Monday

Exam Debrief

Tour Debrief

Homework #20 due @COB today
Wednesday

Skim Balmer 8.1-8.4

Focus on Example Problems
LECT 21 - 2nd Law Analysis
of Closed Systems
(PDF version)

EXAMPLE - Gearbox Problem

EXAMPLE - Piston Problem

Homework #21

HW21 Tips
Friday

Skim Balmer 9.1-9.9

Focus on Example Problems
Homework Debrief

Friday Funny

LECT 22 - 2nd Law Analysis
of Open Systems
(PDF version)

EXAMPLE - Air Turbine
(EES file)

EXAMPLE - Steam Turbine
(EES file)
Homework #22

HW22 Tips
WEEK 11: Mar 26 - 30    
Monday


Homework Debrief

LECT 23 - Modeling Real Devices
(PDF version)

EXAMPLE - Turbocharger
(EES file)

EXAMPLE - Vortex Tube

Homework #23

HW23 Tips
Wednesday

Read Balmer 13.1-13.10

* heat engines
* vapor power cycles
* Carnot power cycle
* Rankine power cycle
* efficiencies
* superheat
* regeneration
* steam turbines
* reheat
* steam powerplant design
Homework Debrief

Newcomen's Steam Engine

Watt's Steam Engine

LECT 24 - Rankine Cycle
(PDF version)

EXAMPLE - Ideal Rankine Cycle with Superheat
(EES file)

Homework #24

HW24 Tips
Friday


Friday Funny

EXAMPLE - Real Rankine Cycle with Superheat
(PDF version)

LECT 25 - Rankine Cycle Improvements
(PDF version)
 
Homework #25

HW25 Tips
WEEK 12: Apr 2 - 6    
Monday

Homework Debrief

LECT 26 - Rankine Cycle Regeneration
(PDF version)

Regeneration Example (EES)
Homework #26

HW26 Tips
Wednesday

Read Balmer 13.11-13.17

* gas power cycles
* air standard cycles
* Brayton cycle
* aircraft gas turbine engines
Homework Debrief

LECT 27a - Brayton Cycle 
(PDF version)

Gas Turbine Cycle Modeling
  - Real Fluid EES
  - ASC Ideal Gas EES
  - Cold ASC EES
  - Parametric Study Results

LECT 27b - Jet Aircraft Propulsion
(PDF version)

Jet Aircraft Propulsion (EES)
Homework #27

HW27 Tips
Friday

Read Balmer 13.18-13.21

* Otto cycle
* Diesel cycle

 
Homework Debrief

Friday Funny

LECT 28 - Otto & Diesel Cycles
(PDF version)
Homework #28

HW28 Tips
WEEK 13: Apr 9 - 13    
Monday

Read Balmer 14.1-14.6
* vapor refrigeration cycles
* Carnot refrigeration cycle
* vapor compression cycles
* refrigerants
Homework Debrief

LECT 29 - Vapor Compression Refrigeration Cycles
(PDF version)

Refrigeration Cycle (EES)

Window Air Conditioner
Homework #29

HW29 Tips
Wednesday

Homework Debrief

LECT 30 - Heat Pumps
(PDF version)

Reversing Valve Animation
Homework #30

HW30 Tips
Friday

Read Balmer 12.1-12.5
* properties of gas mixtures
* mixtures of ideal gases
* psychrometrics
* adiabatic saturator
Homework Debrief

LECT 31 - Ideal Gas Mixtures I
(PDF version)

Example Problem - mass basis
(EES file)

Example Problem - molar basis
(EES file)

Homework #31

HW31 Tips
WEEK 14: Apr 16 - 20    
Monday

Read Balmer 12.6-12.9
* sling psychrometer
* air conditioning
* psychrometric enthalpies
* mixtuers of real gases
Homework Debrief

LECT 32 - Ideal Gas Mixtures II
(PDF version)

Compressor Example (EES file)

Exam 3 Prep
(PDF version)
Homework #32
(mock exam)

HW32 Tips
Wednesday

No Lecture today
Spend time working on HW32 and Take-Home Exam
 
Friday Homework Debrief

Friday Funny
Turbine Image

LECT 33 - Psychrometric Properties of Moist Air
(PDF version)

Heating of Moist Air (EES)

Moist Air Properties (EES)

Weather Station Calcs (EES)

Spring 2017 Take-Home Exam 3
Homework #33

HW33 Tips
WEEK 15: Apr 22 - 27    
Monday LECT 34 - Psychrometric Charts
(PDF version)

Psych Props Calculator

SI Psych Props

English Psych Props
Homework #34

HW34 Tips
Wednesday Turn in Take-Home Exam

LECT 35 - Air Conditioning
(PDF version)

Evaporative Cooling (chart)
Evaporative Cooling (EES)

Adiabatic Mixing (chart)
Adiabatic Mixing (EES)

Combined Heating & Cooling
(EES file)
Homework #35
(due Monday)

No HW Tips
Friday DESIGN EXPO - no class

Homework #EXPO
(due Monday)
WEEK 16: April 30 - May 4    
Monday

Read Balmer 15.1-15.7

* stoichiometric equations
* organic fuels
* fuel modeling
* standard reference state (SRS)
* heat of formation
* heat of reaction
Homework Debrief

LECT 36 - Combustion Reactions
(PDF version)
Homework #36

No HW Tips
Wednesday

Homework Debrief

Dead Week Funny

LECT 37 - Heat of Reaction
(PDF version)

Enthalpy of Formation (EES)
Homework #37

Problem Solving Rubric
Friday Collect Homework 37

Review Exam 3 Solutions

Pass out Dr. Dan Dollars
Guide to using "Dr. Dan Dollars"

Spring 2018 Take-Home Final

Friday Funny

LECT 38 - Prep for Final Exam
(PDF version)

Exam 1 Prep
Exam 2 Prep
Exam 3 Prep

Practice Questions
 
FINAL EXAM: May 9    
Wednesday FINAL TAKE-HOME EXAM
Due by COB Wednesday