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 2:30
  • Tuesday 2:30
  • Thursday 12:30
  • By appointment (call/text/email)

ThinkTank Tutoring Schedule - Fall 2022

 
WEEK 1: Aug 22 - 26    
Pre-Class Preparation In-Class Activity Post-Class Assignment
Monday



Course Syllabus

Syllabus Activity

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

Ideal Gas EOS

EXAMPLE - Process Diagrams
Homework #3
(FE Questions and Practice Problems)
(Turn in on paper by class Wednesday)

HW3 Tips
WEEK 2: Aug 29 - Sept 2    
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 (2 and 3)

Selecting Office Hours

Problem Solving Rubric

LECT 3 - Thermodynamic Concepts


 
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 on paper 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 on paper by class Wednesday)

HW5 Tips

WEEK 3: Sept 5 - 9    
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 on paper by class Friday)

HW6 Tips

Homework #7
(Turn in on paper *or* Canvas before class Monday)
HW7 Tips

 

Friday

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



Homework Debrief

Friday Funny

Try EES in Classroom

Review activity solutions

LECT 8 - 1st Law

EXAMPLE - Transmission Cooling

EXAMPLE - Energy Accounting

Homework #8
(Attempt before class Monday, but will be due with HW9 on Wednesday)

HW8 Tips

 

WEEK 4: Sept 12 - 16    
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

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 on paper *or* Canvas before class Wednesday)

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



LECT 10 - Work

Polytropic Exponents

EXAMPLE - Isothermal Work


Friday
Special Visitor
John Mangiantini, Director of
Cooperative Education

Homework Debrief

Friday Funny

Exam 1 Date and Format

Finish Lecture 10

Topics to Expect on Exam 1
Practice Exam (calculations)
Practice Exam (mixed)
Homework #10

HW10 Tips
WEEK 5: Sept 19 - 23    
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 Exam 1
 - Documentation
 - Collaboration

LECT 13 - Air Tables

Ideal Gas Properties w/EES

EXAMPLE - Using Air Tables in  Problem Solving

Take-Home Exam 1
Hard copy due at/before beginning of class 9/30


Homework #13

HW13 Tips
WEEK 6: Sept 26 - 30    
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


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

Hard Copy Take-Home Exam 1
Ready to Turn In
Turn in Take-Home Exam 1

Exam Debrief

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 3 - 7    
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 10 - 14    
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 17 - 21    
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


WEEK 10: Oct 24 - 28    
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
(due at Lecture 28)

HW27 Tips

WEEK 11: Oct 31 - Nov 4    
Pre-Class Preparation In-Class Activity Post-Class Assignment
Monday

Homework Debrief

Finish LECT 27b



Wednesday

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

Exam 2 Questions

LECT 28a - Otto & Diesel Cycle


Homework #28
(due at Lecture 29)

HW28 Tips


Friday


Homework Debrief

Friday Funny

LECT 28b - Comparing Cycles

Preview of Exam 2



Exam 2
Topics through LECT 26
Due before class next Monday
WEEK 12: Nov 7 - 11  
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

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



Finish Exam 2
Turn in before class Monday

WEEK 13: Nov 14 - 18    
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

Submit Exam 2 before class
Review Answers to Exam 2

Homework Debrief

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

HW31 Tips
Wednesday Homework Debrief

Friday Funny

LECT 33 -
Psychrometric Properties of Moist Air

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

Homework #33

HW33 Tips





Friday
No Class Today


FALL BREAK: Nov 21 - 25    
Monday - Friday
NO CLASS - Fall Break  
WEEK 14: Nov 28 - Dec 2    
Pre-Class Preparation In-Class Activity Post-Class Assignment
Monday
No Class Today
 
Wednesday LECT 34 - Psychrometric Charts
(PDF version)

Psych Props Calculator (EES)

SI Psych Props (EES)

English Psych Props (EES)

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)



Exam 3 (Take-Home)
Through Lecture 36


Homework #35

WEEK 15: Dec 5 - 9 (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
Questions about Take-Home 3

LECT 36 - Combustion Reactions
Homework #36

Wednesday

No Lecture
Answer questions about exam

 
Friday



Optional (extra credit)Collaborative Final Exam


Friday Funny
 
FINAL EXAM: Dec 14    
Turn in Exam 3 by 11:59 on Wednesday Dec. 14th
Answers from Exam 3