ME 322
Mechanical Engineering Thermodynamics

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, Math 310, Phys 211.

Office Hours (GJ 234H)

  • Monday, 9:30
  • Monday, 2:30
  • Tuesday, 10:30
 
WEEK 1: Aug 21 - 25    
Pre-Class Preparation In-Class Activity Post-Class Assignment
Monday



Course Syllabus

Syllabus Activity

ME Curriculum Sheet

LECT 1 - Introduction

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

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

LECT 2 -  Unit Systems, Chemistry & Physics Concepts

Unit Conversion
Unit Conversion Activity
Activity Solution

Example Homework Write-up

Problem Solving Rubric

Homework #2

HW2 Tips

Friday

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

Friday Funny

Ideal Gas EOS

LECT 3 - Thermodynamic Concepts

EXAMPLE - Process Diagrams
Homework #3

HW3 Tips
WEEK 2: Aug 28 - Sept 1    
Pre-Class Preparation In-Class Activity Post-Class Assignment
Monday

Read Balmer 2.10-2.11

* balance concept
* conservation concept
* conservation of mass

Review Today's Powerpoint Slides
Homework Debrief

LECT 4 - Conservation and Balance Concepts

EXAMPLE - Cyclone Separator

EXAMPLE - Leaky Bucket

Homework #4

HW4 Tips
Wednesday

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

Friday

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

Friday Funny

LECT 6 - PvT Behavior

EXAMPLE - Sample Property Calculations
Homework #6

HW6 Tips
WEEK 3: Sept 4 - 8    
Pre-Class Preparation In-Class Activity Post-Class Assignment
Monday
NO CLASS - Labor Day  
Wednesday

Read Balmer 3.11-3.12


Bring your Thermodynamic Tables

Review Today's Powerpoint Slides
Homework Debrief

LECT 7 - Thermodynamic Property Tables and Charts

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

HW7 Tips

 

Friday

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



Homework Debrief

Friday Funny

LECT 8 - 1st Law

EXAMPLE - Energy Accounting

EXAMPLE - Transmission Cooling

Homework #8

HW8 Tips

 

WEEK 4: Sept 11 - 15    
Pre-Class Preparation In-Class Activity Post-Class Assignment
Monday

Review guidelines for installing and using your own copy of EES

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

Wednesday

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

LECT 10 - Work

Polytropic Exponents

EXAMPLE - Isothermal Work
Homework #10

HW10 Tips
Friday
Homework Debrief

Friday Funny

LECT 11 - Heat and Thermal Efficiency

Exam 1 Preparation
Practice Exam (calculations)
Homework #11

HW11 Tips
WEEK 5: Sept 18 - 22    
Pre-Class Preparation In-Class Activity Post-Class Assignment
Monday

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

Homework Debrief

LECT 12 - 1st Law for
Closed Systems


EXAMPLE - Cycle Application (Refrigeration System)

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

HW12 Tips
Wednesday

You should bring the following:
1) Thermodynamic Table Supplement w/Handwritten Notes (no tape-ins)

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

3) Extra pens/pencils

4) Extra batteries/calculators
EXAM 1 - In Class
(Material through LECT 11)


Problem Solving Best Practices Cited by Peers in ME322

Problem Solving Rubric

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 Homework Debrief

Friday Funny

LECT 13 - Air Tables

Ideal Gas Properties w/EES

EXAMPLE - Using Air Tables in  Problem Solving
Homework #13

HW13 Tips
WEEK 6: Sept 25 - 29    
Pre-Class Preparation In-Class Activity Post-Class Assignment
Monday

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
Wednesday

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

Homework Debrief

LECT 15 - Throttling Devices   and Heat Exchangers

EXAMPLE - Steam Whistle

EXAMPLE - Throttling Valve

EXAMPLE - Feedwater Heater
Homework #15

HW15 Tips
Friday Homework Debrief

Friday Funny

LECT 16 - Turbines, Compressors, and Pumps

EXAMPLE - Turbine

EXAMPLE - Compressor

EXAMPLE - Pump
Homework #16
Part A (steps 1 - 3) due in class Monday
Assignment due Wednesday

HW16 Tips
WEEK 7: Oct 2 - 6    
Pre-Class Preparation In-Class Activity Post-Class Assignment
Monday

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

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)


That one special day in this class that I will always remember....when we didn't have a new homework assignment posted.
Wednesday

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
***Attend the Career Fair***

Homework #17

HW17 Tips
Friday

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

Friday Funny

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

HW18 Tips
WEEK 8: Oct 9 - 13    
Pre-Class Preparation In-Class Activity Post-Class Assignment
Monday


 
Homework Debrief

Dress for Steam Plant Tour

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

Steam Plant Tour
Tuesday 3:00 pm
6th St. Entrance (by bicycle station)
Wednesday

Homework Debrief

LECT 20 - Entropy Balance Equation
(PDF version)

Exam 1 Preparation
(PDF version)

Exam 2 Preparation
(PDF version)

Homework #20 - due Monday
(Steam Plant tour)

Friday EXAM 2 - In Class
Multiple Choice
Through Lecture 18

Steam Plant Tour
Friday 3:30 pm
6th St. Entrance (by bicycle station)
WEEK 9: Oct 16 - 20    
Pre-Class Preparation In-Class Activity Post-Class Assignment
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 10: Oct 23 - 27    
Pre-Class Preparation In-Class Activity Post-Class Assignment
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 11: Oct 30 - Nov 3    
Pre-Class Preparation In-Class Activity Post-Class Assignment
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 12: Nov 6 - 10    
Pre-Class Preparation In-Class Activity Post-Class Assignment
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

Friday Funny

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 13: Nov 13 - 17    
Pre-Class Preparation In-Class Activity Post-Class Assignment
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)

Take-Home Exam (Fall 2017)
Homework #32
(mock exam)

HW32 Tips
Wednesday Homework Debrief

Midweek Funny

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

Heating of Moist Air (EES)

Moist Air Properties (EES)

Weather Station Calcs (EES)
Homework #33
(due Wednesday after break)

HW33 Tips
Friday Homework Debrief

Friday Funny

LECT 34 - Psychrometric Charts
(PDF version)

Psych Props Calculator (EES)

SI Psych Props (EES)

English Psych Props (EES)

Homework #34
(due Wednesday after break)

HW34 Tips
FALL BREAK: Nov 20 - 24    
Monday - Friday
NO CLASS - Fall Break  
WEEK 14: Nov 27 - Dec 1    
Pre-Class Preparation In-Class Activity Post-Class Assignment
Monday No class scheduled

Work on Take-Home Exam
Make sure to bring your finished Take-Home to class Wednesday
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)
Friday Fall Snapshot Day
Attend snapshot in the 1st floor GJ labs at 8:30 am

Homework #Snapshot
WEEK 15: Dec 4 - 8 (DEAD WEEK)    
Pre-Class Preparation In-Class Activity Post-Class Assignment
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
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

Friday Funny

Discuss Take-Home Exam

Pass out Dr. Dan Dollars to those present in class
Guide to using "Dr. Dan Dollars"

Advice for students

Take-Home Final Exam
 
FINAL EXAM: Dec 14    
Thursday FINAL EXAM
Due by 4pm Thursday
In my Inbox (outside my office or in the ME office)