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, Math 310, Phys 211.

Office Hours (GJ 234H)

  • Monday 4:00 - 5:00
  • Wednesday 3:00 - 4:30
  • Thursday 2:30 - 3:30
  • Any other time you can find me

ThinkTank Tutoring Schedule - Fall 2021

 
WEEK 1: Aug 23 - 27    
Pre-Class Preparation In-Class Activity Post-Class Assignment
Monday



Course Syllabus

Syllabus Activity

ME Curriculum Sheet

LECT 1 - Introduction

Homework #1
(do, but don't turn in)

Data for HW 01
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
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

Reading question questions?

LECT 2 -  Unit Systems, Chemistry & Physics Concepts

LECT 2.5 Unit Conversions
Unit Conversion Activity
 - Activity Solution (by hand)
 - Activity Solution (PPT)

Homework #2
(do, but don't turn in)

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

Homework Format and other syllabus-related discussion

Ideal Gas EOS

LECT 3 - Thermodynamic Concepts

EXAMPLE - Process Diagrams
Homework #3
(do, but don't turn in)
(FE Questions and Practice Problems)

HW3 Tips
WEEK 2: Aug 30 - Sept 3    
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

HW Submission Criteria

Homework Debrief

Sample Engr. Documentation

Problem Solving Rubric

LECT 4 - Conservation and Balance Concepts

Example problems at end of PPT
Homework #4
(do, but don't turn in)

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

Selecting Office Hours
Homework format input

Homework Documentation
 - HW (Practice Problems)
 - ED (Prof. Documentation)

LECT 5 - Thermodynamic Properties

EXAMPLE - Extracting Kappa

EXAMPLE - Squeezing Water

Homework #5
(do, but don't turn in)

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

Business
Office Hour Selection
ED Numbering?
Reading Questions

LECT 6 - PvT Behavior

EXAMPLE - Sample Property Calculations
Homework #6

HW6 Tips
WEEK 3: Sept 6 - 10    
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 4.1-4.6
* 1st law of thermodynamics
* energy transport mechanisms
* point vs path functions



Homework Debrief

Friday Funny

Review activity solutions

LECT 8 - 1st Law

EXAMPLE - Transmission Cooling

EXAMPLE - Energy Accounting

Homework #8

HW8 Tips

 

WEEK 4: Sept 13 - 17    
Pre-Class Preparation In-Class Activity Post-Class Assignment
Monday

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

LECT 9 - EES Software

Fall 2020 EES Zoom Session

EES Orientation

Gravitational Force Problem

Accessing Properties

Drawing Property Diagrams

Sample Homework #1

Sample Homework #2 

Homework #9

HW9 Tips

 

Wednesday

Read Balmer 4.7-4.15
* mechanical work modes
* nonmechanical work modes
* work efficiency
* heat modes of energy transport
* thermodynamic problem solving
Homework Debrief

Exam 1 Date

LECT 10 - Work

Polytropic Exponents

EXAMPLE - Isothermal Work
Homework #10

HW10 Tips

Friday
Homework Debrief

Friday Funny

LECT 11 - Heat and Thermal Efficiency

Topics to Expect on Exam 1
Practice Exam (calculations)
Practice Exam (mixed)
Homework #11
(not turned in)

HW11 Tips

Engineering Documentation Week 4
 - HW10 Problem 4
 - Due Wednesday before class
 - See Day 5 link for format instructions
WEEK 5: Sept 20 - 24    
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

ED Homework Documentation

LECT 12 - 1st Law for
Closed Systems


EXAMPLE - Cycle Application (Refrigeration System)

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

HW12 Tips

Wednesday

Homework Debrief

Answer EES Questions

LECT 13 - Air Tables

Ideal Gas Properties w/EES

EXAMPLE - Using Air Tables in  Problem Solving

Acknowledge existence of
Exam 1

Take-Home Exam 1
Due before class next Wednesday


Homework #13

HW13 Tips

Friday

Homework Debrief

Friday Funny

Ask probing questions about
Exam 1

Rejoice in not having thermo homework over the weekend

Then remember that you still have a take-home exam


WEEK 6: Sept 27 - Oct 1    
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

Take-Home Exam Questions

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


Turn in Take-Home Exam 1
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
Work through Part A (steps 1 - 3) before class Monday

On Monday we'll do a demo of more EES features that you will use to finish HW16.

HW16 Tips

WEEK 7: Oct 4 - 8    
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

EXAMPLE - Isenthalpic Tank Emptying
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
Homework #18

HW18 Tips

WEEK 8: Oct 11 - 15    
Pre-Class Preparation In-Class Activity Post-Class Assignment
Monday


 
Homework Debrief

LECT 19 - Calculation of Entropy Changes

EXAMPLE - Sample Calculations for ideal gases, real fluids, and incompressible substances
Homework #19
(mock exam, not turned in)

HW19 Tips

Wednesday

Homework Debrief

Discuss Future Exams

LECT 20 - Entropy Balance Equation

Exam 1 Preparation

Exam 2 Preparation
Exam 2 Calculation Sample

No homework today!
Friday

Skim Balmer 8.1-8.4
Focus on Example Problems
Homework Debrief

Friday Funny

Carnot Cycle
 - Pv diagram
 - Ts diagram

LECT 21 - 2nd Law Analysis
of Closed Systems

IN-CLASS PROBLEMS
 - Gearbox
 - Piston

IN-CLASS SOLUTIONS
 - Gearbox Problem
 - Piston Problem

Homework #21

HW21 Tips


Engineering Documentation Week 8
 - Homework 18, Problem 1
 - Due Wednesday before class
WEEK 9: Oct 18 - 22    
Pre-Class Preparation In-Class Activity Post-Class Assignment
Monday

Skim Balmer 9.1-9.9
Focus on Example Problems
Homework Debrief

Discuss Exam 2 Format

Finish up Ideal Gas relationships from LECT 19

LECT 22 - 2nd Law Analysis
of Open Systems

EXAMPLE - Air Turbine
(EES file)

EXAMPLE - Steam Turbine
(EES file)



Homework #22

HW22 Tips

Wednesday

Homework Debrief

LECT 23 - Modeling Real Devices

EXAMPLE - Turbocharger
(EES file)

EXAMPLE - Vortex Tube
Homework #23

HW23 Tips
Friday

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 questions

Newcomen's Steam Engine

Watt's Steam Engine

97 MW Steam Turbine

LECT 24 - Rankine Cycle

EXAMPLE - Ideal Rankine Cycle with Superheat

Homework #24

HW24 Tips


Engineering Documentation Week 9
 - Class vote
 - Due Wednesday before class

WEEK 10: Oct 25 - 29    
Pre-Class Preparation In-Class Activity Post-Class Assignment
Monday


Homework Debrief

EXAMPLE - Real Rankine Cycle with Superheat

LECT 25 - Rankine Cycle Improvements
 
Homework #25

HW25 Tips
Wednesday


Homework Debrief

LECT 26 - Rankine Cycle Regeneration
Homework #26

HW26 Tips

Friday

Read Balmer 13.11-13.17
* gas power cycles
* air standard cycles
* Brayton cycle
* aircraft gas turbine engines
Homework Debrief

Friday Funny

LECT 27a - Brayton Cycle 

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

LECT 27b - Jet Aircraft Propulsion
Homework #27

HW27 Tips

Engineering Documentation Week 10
 - Class vote
 - Due Wednesday before class
WEEK 11: Nov 1 - 5    
Pre-Class Preparation In-Class Activity Post-Class Assignment
Monday

Homework Debrief

Finish LECT 27b

Exam 2

Exam 2
Topics through LECT 26
Due before class next Monday

Wednesday

Read Balmer 13.18-13.21
* Otto cycle
* Diesel cycle 
Homework Debrief

Exam 2 Questions

LECT 28 - Otto & Diesel Cycle


Homework #28

HW28 Tips
Friday


Homework Debrief

Friday Funny

More LECT 28



Engineering Documentation Week 11
 - Class vote
 - Due Wednesday before class
WEEK 12: Nov 8 - 12  
Pre-Class Preparation In-Class Activity Post-Class Assignment
Monday

Submit Exam 2

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

Exam 2 Review

LECT 29 - Vapor Compression Refrigeration Cycles
Example 1 - Slides

Window Air Conditioner
Homework #29

HW29 Tips
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

Friday Funny

LECT 31-32 Gas Mixtures Combo

LECT 31 - Ideal Gas Mixtures I

Example Problem - mass basis
(EES file)

Example Problem - molar basis
(EES file)

Homework #31

HW31 Tips


Engineering Documentation Week 12
 - Class vote
 - Due Wednesday before class
WEEK 13: Nov 15 - 19    
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

Compressor Example (EES file)




Homework #32
(mock exam, not turned in)

HW32 Tips
Wednesday Homework Debrief

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

Heating of Moist Air (EES)

Moist Air Properties (EES)

Weather Station Calcs (EES)

Friday Funny
Homework #33

HW33 Tips





Friday
No Class Today


FALL BREAK: Nov 22 - 26    
Monday - Friday
NO CLASS - Fall Break  
WEEK 14: Nov 29 - Dec 3    
Pre-Class Preparation In-Class Activity Post-Class Assignment
Monday No class scheduled  
Wednesday LECT 34 - Psychrometric Charts
(PDF version)

Psych Props Calculator (EES)

SI Psych Props (EES)

English Psych Props (EES)

Final Exam (Take-Home)
Through Lecture 36


Homework #34

HW34 Tips


Friday LECT 35 - Air Conditioning

Evaporative Cooling (chart)
Evaporative Cooling (EES)

Adiabatic Mixing (chart)
Adiabatic Mixing (EES)

Combined Heating & Cooling
(EES file)



Homework #35

Engineering Documentation Week 14
 - Class vote
 - Due Wednesday before class
WEEK 15: Dec 6 - 10 (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
Talk about Exam 1 or 2 Do-Over

Homework Debrief

LECT 36 - Combustion Reactions
Homework #36

Wednesday

Homework Debrief

Dead Week Funny

Activity - Final Exam Questions

LECT 37 - Heat of Reaction

Enthalpy of Formation (EES)
Homework #37 (self-reflection)

Problem Solving Rubric
Friday Last questions????

Friday Funny
 
FINAL EXAM: Dec 17    
Friday 10:15 - 12:15 I don't think  you want to hang around for this. Let's talk.