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/Friday 10:30
  • Monday 2:30
  • By appointment (call/text/email)

ThinkTank Tutoring Schedule - Fall 2023 (linked once file is available)

Academic Support Programs (Tutoring in Library)

Remote Access Labs (for EES)

 
WEEK 1: Aug 21 - 25    
Pre-Class Preparation In-Class Activity Post-Class Assignment
Monday



Course Syllabus

Syllabus Activity
Syllabus Input
 -- LMS
 -- Where turn in HW? 
 -- What gets Graded
 -- Grade Weighting
 -- HW Documentation Format
 -- Reading

LECT 1 - Introduction

Homework #1
(due beginning of/before next class)

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
2021 United States Energy Flow

Link to LLNL Energy Flow Charts
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



Homework #2
(Turn in by class on Monday)

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
LECT 2.25 - Unit Conversions
Unit Conversion Activity (doc)
 - Activity Solution (by hand)
 - Activity Solution (PPT)

LECT 2.5 - Ideal Gas EOS


 
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 2.75 - Process Diagrams

LECT 3 - Thermodynamic Concepts


Homework #3
(FE Questions and Practice Problems)
(Turn in by class Wednesday)

HW3 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 4 - Conservation and Balance Concepts

Homework #4
(Turn in by class Friday)

HW4 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 5 - Thermodynamic Properties

EXAMPLE - Extracting Kappa
EXAMPLE - Squeezing Water


LECT 6 - PvT Behavior

EXAMPLE - Sample Property Calculations

Homework #5
(Turn in by class Wednesday)

HW5 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 Thermodynamic Tables**

Review Today's Powerpoint Slides
Homework Debrief

Finish Lecture 6

LECT 7 - Thermodynamic Property Tables and Charts

EXAMPLE - Property Tables
* Activity - Property Tables
* Activity Solution
Homework #6
(Turn in by class Friday)

HW6 Tips


 

Friday





Homework Debrief

Friday Funny

Continue LECT 7

Homework #7
(Turn in before class Monday)
HW7 Tips

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

Read Balmer 4.1-4.6
* 1st law of thermodynamics
* energy transport mechanisms
* point vs path functions

LECT 8 - 1st Law

EXAMPLE - Transmission Cooling
EXAMPLE - Energy Accounting

Homework #8
(Turn in by class Wednesday)

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

LECT 9 - EES Software
 - EES Orientation
 - Gravitational Force Problem
 - Accessing Properties
 - Drawing Property Diagrams

Sample Homework #1
Sample Homework #2 

Extra EES Videos
 - Fall 2020 in-class demo
 - Access EES through vlab (old)
 - EES Interface
 - Finding Properties in EES
 - Array and Parametric Tables



Homework #9
(Turn in by class Friday)

HW9 Tips


Friday

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

Friday Funny

LECT 10 - Work

Important Polytropic Exponents

EXAMPLE
 - Isothermal Work
 - Example Solution


Homework #10

HW10 Tips
WEEK 5: Sept 18 - 22    
Pre-Class Preparation In-Class Activity Post-Class Assignment
Monday



Homework Debrief

LECT 11 - Heat and Thermal Efficiency
Homework #11
(Practice Exam, not turned in)

HW11 Tips
Wednesday

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

HW12 Tips

Friday

Homework Debrief

Friday Funny

Discuss EES Exam 1
 - Documentation
 - Collaboration

LECT 13 - Air Tables

Ideal Gas Properties w/EES

EXAMPLE - Using Air Tables in  Problem Solving

In-Class Exam 1 Preparation
- Topics to Expect on Exam 1
- Practice Exam (calculations)
- Practice Exam (mixed)

EES Exam 1
Due before class October 2nd


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

Take-Home Exam Questions

Exam Tips from Last Semester

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


Homework Debrief

Take-Home Exam Questions

LECT 15 - Throttling Devices   and Heat Exchangers

EXAMPLE - Steam Whistle

EXAMPLE - Throttling Valve

EXAMPLE - Feedwater Heater
Homework #15

HW15 Tips


Friday

In-Class Exam 1
Remember to bring your supplemental tables

In-Class Exam 1

 - Through LECT 14



No Homework!
But your EES Exam 1 is due Monday
WEEK 7: Oct 2 - 6    
Pre-Class Preparation In-Class Activity Post-Class Assignment
Monday

Turn in EES Exam 1

LECT 16 - Turbines, Compressors, and Pumps

EXAMPLE SOLUTIONS
 - Turbine
 - Compressor
 - Pump

Start Homework 16

In EES Are You Confident In:
- using the CONVERT function
- using Array Tables
- using Key Variables
- creating Property Plots
- creating Overlay Plots

EES Consulting
(online references)


Homework #16

HW16 Tips
Wednesday

Homework Debrief

LECT 17 - Transient Analysis

EXAMPLE - Isenthalpic Tank Emptying
Homework #17

HW17 Tips


Friday

Skim Balmer 7.1-7.9
* what is entropy?
* Clausius definition
* Kelvin definition
* absolute temperature scale
* entropy calculations

Review In-Class Exam 1

Homework Debrief

Friday Funny

LECT 18 - 2nd Law of Thermodynamics
Homework #18

HW18 Tips

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

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

 
Homework Debrief

LECT 19 - Calculation of Entropy Changes

EES Fluid Property Info

EXAMPLE Problems
Homework #19
(mock exam, not turned in)

HW19 Tips

Wednesday

Homework Debrief

LECT 20 - Entropy Balance Equation
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 EXAMPLES
 - Gearbox
 - Piston

IN-CLASS SOLUTIONS
 - Gearbox Problem
 - Piston Problem

Homework #21

HW21 Tips

WEEK 9: Oct 16 - 20    
Pre-Class Preparation In-Class Activity Post-Class Assignment
Monday

Skim Balmer 9.1-9.9
Focus on Example Problems
Homework Debrief

LECT 22 - 2nd Law Analysis
of Open Systems

EXAMPLES
 - Air Turbine
 - Steam Turbine

SOLUTIONS
 - Air Turbine  (EES file)
 - Steam Turbine  (EES file)
Homework #22

HW22 Tips

Wednesday

Homework Debrief

LECT 23 - Real Devices

EXAMPLE SOLUTIONS
 - Turbocharger  (EES file)
 - 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

Discuss Exam 2 (next week)

Newcomen's Steam Engine
(early 1700's)

Watt's Steam Engine
(late 1700's)

97 MW Steam Turbine
(Modern)

LECT 24 - Rankine Cycle

EXAMPLE - Ideal Rankine Cycle with Superheat

Homework #24

HW24 Tips



WEEK 10: Oct 23 - 27    
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

Friday Funny

What to expect on Exam 2

LECT 26 - Rankine Cycle Regeneration
Homework #26

HW26 Tips

Friday

In-Class Exam 2
Remember to bring your supplemental tables
In-Class Exam 2
 - Topics through LECT 23


WEEK 11: Oct 30 - Nov 3    
Pre-Class Preparation In-Class Activity Post-Class Assignment
Monday

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

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
Wednesday

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

EES Exam 2 Questions

LECT 28a - Otto & Diesel Cycle


Homework #28

HW28 Tips


Friday


Discuss EES Exam 2

Homework Debrief

Friday Funny

LECT 28b - Comparing Cycles
EES Exam 2
(due before class on Monday 11/13)
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

Window Air Conditioner

LECT 29 - Vapor Compression Refrigeration Cycles

Example - 15 Ton A/C Unit
Homework #29

HW29 Tips
Wednesday Homework Debrief

EES Exam 2 Q&A

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
No Live Class Today
(Natural Gas Outage)

LECT 31/32 Combo
Ideal Gas Mixtures

LECT 31 - Ideal Gas Mixtures I
LECT 32 - Ideal Gas Mixtures II

EES Example Problems
 - Mass basis
 - Molar basis
 - Compressor w/Mixture


Homework #31
(not turned in, just for reference)

HW31 Tips


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



No Live Class Today
(Natural Gas Outage)


 
Wednesday

Read Balmer 12.6-12.9
* sling psychrometer
* air conditioning
* psychrometric enthalpies
* mixtuers of real gases
EES Exam 2 Q&A

LECT 33 - Psychrometric Properties of Moist Air

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

LECT 34 - Psychrometric Charts
(PDF version)

EES Files
 - Psych Props Calculator (EES)
- SI Psych Props (EES)
 -
English Psych Props (EES)
Homework #33
(not turned in, just for reference)

HW33 Tips


Homework #34
(turned in)

HW34 Tips
Friday
Turn in EES Exam 2
No Class Today - Safe Travels!


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
Optional Class Class Today - What to Expect on Exam 3
Wednesday

In-Class Exam 3
Remember to bring your supplemental tables
In-Class Exam 3
 - Topics through LECT 30

 
Friday

Homework Debrief

Friday Funny

LECT 35 - Air Conditioning

EXAMPLES
- Evaporative Cooling (chart)
- Evaporative Cooling (EES)

- Adiabatic Mixing (chart)
- Adiabatic Mixing (EES)

- Heating & Cooling (EES file)
Homework #35
(not turned in, just for reference)
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

Homework #36
(not turned in, just for reference)
Wednesday

Homework Debrief


Optional (extra credit)Collaborative Final Exam

Wednesday Funny



 
Friday

No Class Today - Study for your other final exams


 
FINAL EXAM: Dec 13 No Final Exam F23