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/Wednesday/Friday 9:30 to 10:30
  • Any time you can find me
  • By appointment if you can't find me (email dcordon@uidaho.edu)
  • Tutoring in the ThinkTANK

Quarantining:
If you are sick and need to quarantine but still want to be view real-time ME 322 lectures, let me know and I can turn on a Zoom session for that class period. The link will be: https://uidaho.zoom.us/my/drdan

 
WEEK 1: Jan 12 - 14    
Pre-Class Preparation In-Class Activity Post-Class Assignment
Wednesday



Course Syllabus

Syllabus Input
 -- LMS
 -- What gets Graded
 -- Grade Weighting
 -- HW Documentation Format
 -- HW Due Dates
 -- Reading
 -- Exam Format/Location

LECT 1 - Introduction

Homework #1
Work the practice problem and do the preparatory reading. But you will not be turning this assignment in for points.

Data for HW1
2012 United States Energy Flow
2013 United States Energy Flow
2014 United States Energy Flow
2015 United States Energy Flow
2016 United States Energy Flow
2017 United States Energy Flow
2018 United States Energy Flow
2019 United States Energy Flow
2020 United States Energy Flow
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

Review Today's Powerpoint Slides
Homework Debrief

Friday Funny

LECT 2 - Unit Systems, Chemistry & Physics Concepts

LECT 2.5 - Unit Conversion
Unit Conversion Activity
Activity Solution

Homework #2
This will be discussed in the next class, but not turned in.

HW2 Tips

WEEK 2: Jan 17 - 21     
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

Reading Q's

Make-up Friday Funny

Homework Format
- FE-Style Questions (minimal)
- Practice Problems (short)
- Engineering Solutions
- Engineering Solution Example

Problem Solving Rubric

Ideal Gas EOS

LECT 3 - Thermodynamic Concepts

EXAMPLE - Process Diagrams

Homework #3
This will be discussed in the next class, but not turned in.

HW3 Tips
Friday

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

Homework Debrief

Friday Funny

Finish LECT 3

LECT 4 - Conservation and Balance Concepts
Homework #4
This homework will be turned in (on paper) at the beginning of next class period

HW4 Tips
WEEK 3: Jan 24 - 28    
Monday

Read Balmer 3.1-3.8
* isobaric coefficient of
  volume expansion
* isothermal coefficient of
  compressibility
* system energy
* enthalpy
* phase diagrams (PT, Pv, Ts)
* quality

Review Today's Powerpoint Slide

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

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 31 - Feb 4    
Monday

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



Homework Debrief

Discuss EES Demo Options

LECT 8 - 1st Law

EXAMPLE - Energy Accounting

EXAMPLE - Transmission Cooling

Homework #8
(Due in class Friday)

HW8 Tips

 

Wednesday

Log on to vlab and make sure you can open the EES software

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

Class is optional today (review EES videos)

Questions from HW7    

EES Demo - Videos
- EES Through vlab
- EES Interface
- EES Properties
- EES Tables

Example EES Files
- Accessing Properties
- Drawing Property Diagrams
- Sample Homework #1
- Sample Homework #2 

Homework #9

HW9 Tips

EES Examples:
HW9, Problem 1
HW8, Problem 3

 

Local Files with EES
 - Opening
 - Saving
 - Printing PDF

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

EES Questions

Friday Funny

Exam 1 Input

LECT 10 - Work

Polytropic Exponents

EXAMPLE - Isothermal Work
Homework #10

HW10 Tips

WEEK 5: Feb 7 - 11    
Monday
Homework Debrief

LECT 11 - Heat and Thermal Efficiency

Preparing for Exam 1
 - Format?
 - Dates?

Exam 1 Preparation (topics)
Practice Exam 1 (in-class)
Practice Exam 2 (in-class)
Homework #11 (Practice FE Q's)
Do not need to turn this in

HW11 Tips
Wednesday


Class Canceled --> Prep for Career Fair (starting at 2pm) No New Homework!
Friday


Questions about practice exams

HW11 Questions?

Friday Funny

LECT 12 - 1st Law for
Closed Systems


EXAMPLES
 - Cycle (Refrigeration System)
 - Process (Piston/Cylinder)
Homework #12

HW12 Tips
WEEK 6: Feb 14 - 18    
Monday

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

LECT 13 - Air Tables

Ideal Gas Properties w/EES

EXAMPLE - Using Air Tables in  Problem Solving
Exam 1 Take-Home (updated 2/16)

EES Exam 1 (updated 2/16)

Homework #13 (due Friday)

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

Friday Funny

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

Exam Q&A

LECT 15 - Throttling Devices   and Heat Exchangers

EXAMPLES
 - Steam Whistle
 - Throttling Valve
 - Feedwater Heater
Homework #15

HW15 Tips
WEEK 7: Feb 21 - 25    
Monday NO CLASS
Presidents' Day
 
Wednesday Homework Debrief

Exam Q&A

LECT 16 - Turbines, Compressors, and Pumps

EXAMPLE - Turbine

EXAMPLE - Compressor

EXAMPLE - Pump
Homework #16

Bring Part A (steps 1 - 3) to class Friday (but do not turn in yet)

HW#16 is due Monday

Exam 1 Take-Home Due before Midnight Thursday
Friday

Complete and bring steps 1-3 from Homework #16

EES Demo - Cycles

Homework 16 Questions

Exam Debrief

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 28 - Mar 4    
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

EXAMPLES
 - Isenthalpic Tank Emptying
 - Solution
Homework #17

HW17 Tips
Wednesday

Skim Balmer 7.10-7.17
* entropy production mechanisms
* entropy balance equation
**No Live Class**
Pre-recording

Homework Debrief

LECT 18 - 2nd Law of Thermodynamics
Homework #18
(turn in next Monday)

HW18 Tips
Friday

 
**No Live Class**
Pre-recording

Homework Debrief

Friday Funny

What is the Carnot Cycle?

LECT 19 - Calculation of Entropy Changes

EXAMPLE - Sample Calculations
Homework #19
(FE-Style Questions)
Do not need to turn this in

HW19 Tips
WEEK 9: Mar 7 - 11    
Monday

Live class with questions from LECT 18 and 19




Wednesday
Wednesday Funny

LECT 20 - Entropy Balance Equation
Homework #20
This homework will *not* be turned in
But I left it here in case you get
bored over the break.
Friday
No Class

Travel Safely
 


SPRING BREAK: Mar 14 - 18    
Monday - Friday  NO CLASS - SPRING BREAK
 
WEEK 10: Mar 21 - 25    
Monday

No Class

Travel Safely


Wednesday

Skim Balmer 8.1-8.4

Focus on Example Problems
Discuss Exam 2 Format/Timeline

LECT 21 - 2nd Law Analysis
of Closed Systems (ppt)

EXAMPLE - Gearbox Problem

EXAMPLE - Piston Problem

Homework #21

HW21 Tips
Friday

Skim Balmer 9.1-9.9

Focus on Example Problems
Homework Debrief

LECT 22 - 2nd Law Analysis
of Open Systems

EXAMPLE 1 - Air Turbine
EES file

EXAMPLE 2 - Steam Turbine
EES file


Homework #22

HW22 Tips
WEEK 11: Mar 28 - Apr 1    
Monday


Homework Debrief

LECT 23 - Modeling Real Devices

Solution - Turbocharger
EES file

Solution - 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

EXAMPLE
Ideal Rankine Cycle (Superheat)
EES file

Homework #24

HW24 Tips
Friday


HW24 EXAMPLE
Real Rankine Cycle with Superheat

LECT 25 - Rankine Cycle Improvements

EXAMPLES
Ideal Ranking Cycle
Isentropic Efficiency
EES file

Homework #25

HW25 Tips


Exam 2 Take-Home
WEEK 12: Apr 4 - 8    
Monday

Homework Debrief

Exam 2 Q&A

LECT 26 - Rankine Cycle Regeneration

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

Exam 2 Q&A

LECT 27 - Brayton Cycle 

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

LECT 27b - Jet Aircraft Propulsion

Jet Aircraft Propulsion (EES)
Homework #27

HW27 Tips
Friday

Read Balmer 13.18-13.21

* Otto cycle
* Diesel cycle
Homework Debrief

Exam 2 Q&A

Friday Funny

LECT 28a - Otto & Diesel Cycles
LECT 28b - Comparing SI and CI
Homework #28

HW28 Tips
WEEK 13: Apr 11 - 15    
Monday

Read Balmer 14.1-14.6
* vapor refrigeration cycles
* Carnot refrigeration cycle
* vapor compression cycles
* refrigerants
Exam 2 Due
by 11:59 pm Tuesday

Homework Debrief

LECT 29 - Vapor Compression Refrigeration Cycles

Example 1 - Slides
Example 1 - EES

Diagram:
Window Air Conditioner
Homework #29

HW29 Tips

EES Exam 2
Wednesday

Homework Debrief

LECT 30 - Heat Pumps

Example 1 - Slides
Example 1 - EES File

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

EES Exam 2 Questions

Finish LECT 30

No Homework
WEEK 14: Apr 18 - 22    
Monday

Read Balmer 12.6-12.9
* sling psychrometer
* air conditioning
* psychrometric enthalpies
* mixtuers of real gases
EES Exam 2 Due
by 11:59 pm Tuesday

EES Exam 2 Questions

Homework Debrief
Combined LECT 31-32

LECT 31 - Ideal Gas Mixtures I
EES Examples
 
- Mass basis
 - molar basis

LECT 32 - Ideal Gas Mixtures II
EES Example
 - Compressor Example

Exam 3 Prep
Homework #31

HW31 Tips

Homework #32
(FE-Style Questions)
Do not need to turn HW32 in

HW32 Tips
Wednesday Class Canceled
 
Friday Friday Funny Turbine Image

Review EES Exam 2
EES PDF's
 - First Pass
 - Parametric Study
 - Optimal Values

LECT 33 - Psychrometric Properties of Moist Air

 - Heating of Moist Air (EES)
 - Moist Air Properties (EES)
 - Weather Station Calcs (EES)

LECT 34 - Psychrometric Charts
 - Psych Props Calculator
 - SI Psych Props
 - English Psych Props


Psychrometric Charts
 - English Chart 1
 - SI Chart 1
Homework #33

HW33 Tips

Homework #34

HW34 Tips

Exam 3 Take-Home
WEEK 15: Apr 25 - 29    
Monday No Live Class Today
Work on Exam 3
 
Wednesday Exam 3 Questions

LECT 35 - Air Conditioning

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 Engineering EXPO - No Class
 - ICCU from 9am to 2pm
EXPO Homework
WEEK 16: May 2 - 6    
Monday

Read Balmer 15.1-15.7

* stoichiometric equations
* organic fuels
* fuel modeling
* standard reference state (SRS)
* heat of formation
* heat of reaction
Exam 3 Questions

Homework Debrief

LECT 36 - Combustion Reactions


Homework #36

No HW Tips
Wednesday

Exam 3 Questions

Homework Debrief

Exam 3 Due
by 11:59 pm Thursday
 
Friday No class. Rest and study for your other final exams!  
FINAL EXAM: (Date)    
Monday, May 9 10:15 am - 12:15 pm We do *not* have anything planned for our Final Exam time slot  
Wednesday, May 11 Last day to turn in late homework