Thermodynamics · Lessons

Thermodynamics lessons

8 sections · 70 skills · work through the full outline skill by skill — read the long-form lesson or flip through the slide-style version.
Long-form lessonsSlide-style lessons

Thermodynamics

Practice 70 skills across this outline.

Recommended next
Superheat, Reheat & Regeneration
Power and Refrigeration Cycles · Rankine Cycle
Long-form lesson
Weighting distribution
19 categories
Availability and Exergy
12%
Problem-Solving & Property Tables Skills · Modeling Workflow
9%
Control Volume Analysis · Common Steady-Flow Devices
8%
First Law of Thermodynamics · Heat and Work Processes
7%
Mixtures and Humid Air · Psychrometrics (Humid Air) Basics
7%
First Law of Thermodynamics · Energy Accounting and Closed Systems
6%

Skills

The comprehensive taxonomy of thermodynamics — drill into a card to work its skills.

Power and Refrigeration Cycles · Rankine Cycle

3 core skills2% total weight
0/3 completed
3 skills to mastery
1
Superheat, Reheat & RegenerationRecommended
2
Rankine Cycle EfficiencyAvailable
3
Rankine Cycle AnalysisAvailable

Power and Refrigeration Cycles · Refrigeration and Heat Pumps

3 core skills4% total weight
0/3 completed
3 skills to mastery
1
Vapor-Compression RefrigerationAvailable
2
Throttling & Expansion DevicesAvailable
3
COP for Refrigerators & Heat PumpsAvailable

Power and Refrigeration Cycles · Heat Engines and Thermal Efficiency

3 core skills3% total weight
0/3 completed
3 skills to mastery
1
Thermal EfficiencyAvailable
2
Heat Reservoirs & EntropyAvailable
3
Carnot vs. Real CyclesAvailable

Power and Refrigeration Cycles · Brayton Cycle

3 core skills3% total weight
0/3 completed
3 skills to mastery
1
Brayton Cycle EfficiencyAvailable
2
Brayton Cycle AnalysisAvailable
3
Regeneration & IntercoolingAvailable

Control Volume Analysis · Common Steady-Flow Devices

5 core skills8% total weight
0/5 completed
5 skills to mastery
1
Throttling & Joule-Thomson EffectAvailable
2
Pumps & Work DevicesAvailable
3
Heat Exchangers & Mixing ChambersAvailable
4
Turbines & CompressorsAvailable
5
Nozzles & DiffusersAvailable

Control Volume Analysis · Mass Conservation and Steady-Flow Energy Equation

4 core skills5% total weight
0/4 completed
4 skills to mastery
1
Kinetic & Potential Energy TermsAvailable
2
Steady-Flow Energy Equation (SFEE)Available
3
Mass Conservation: Control VolumesAvailable
4
Flow Work & EnthalpyAvailable

Second Law and Entropy · Second Law Statements and Reversibility

4 core skills5% total weight
0/4 completed
4 skills to mastery
1
Kelvin-Planck & Clausius StatementsAvailable
2
Reversible vs. Irreversible ProcessesAvailable
3
Sources of IrreversibilityAvailable
4
Cycles & Net WorkAvailable

Second Law and Entropy · Entropy and Entropy Balance

5 core skills3% total weight
0/5 completed
5 skills to mastery
1
Entropy Balance: Control VolumesAvailable
2
Entropy GenerationAvailable
3
Entropy Balance: Closed SystemsAvailable
4
Entropy Change: Ideal GasesAvailable
5
Entropy Definition & ChangesAvailable

Second Law and Entropy · Isentropic Processes and Efficiencies

4 core skills4% total weight
0/4 completed
4 skills to mastery
1
Isentropic Compressor/Pump EfficiencyAvailable
2
Isentropic ProcessesAvailable
3
Isentropic Relations: Ideal GasesAvailable
4
Isentropic Turbine EfficiencyAvailable

Foundations and Thermodynamic Properties · Systems, State, and Properties

4 core skills5% total weight
0/4 completed
4 skills to mastery
1
P-v-T RelationshipsAvailable
2
Systems, Boundaries & StatesAvailable
3
Intensive vs. Extensive PropertiesAvailable
4
State PostulateAvailable

Foundations and Thermodynamic Properties · Pure Substances and Phase Behavior

4 core skills4% total weight
0/4 completed
4 skills to mastery
1
Quality & Saturated MixturesAvailable
2
Using Steam TablesAvailable
3
Phase Diagrams & Property ChartsAvailable
4
Phases & Phase ChangesAvailable

Foundations and Thermodynamic Properties · Ideal Gas and Real Gas Models

4 core skills4% total weight
0/4 completed
4 skills to mastery
1
Ideal Gas AssumptionsAvailable
2
cp, cv & k RelationshipsAvailable
3
Ideal Gas LawAvailable
4
Compressibility Factor (Z)Available

Availability and Exergy

3 core skills12% total weight
0/3 completed
3 skills to mastery
1
Exergy & Dead StateAvailable
2
Exergy Change CalculationsAvailable
3
Exergy Destruction & IrreversibilityAvailable

First Law of Thermodynamics · Heat and Work Processes

4 core skills7% total weight
0/4 completed
4 skills to mastery
1
Constant-Pressure, Volume & Polytropic ProcessesAvailable
2
Isothermal Processes: Ideal GasesAvailable
3
Adiabatic Processes: Ideal GasesAvailable
4
Heat vs. Work & Sign ConventionsAvailable

First Law of Thermodynamics · Energy Accounting and Closed Systems

4 core skills6% total weight
0/4 completed
4 skills to mastery
1
First Law: Closed SystemsAvailable
2
Boundary Work & P-v DiagramsAvailable
3
Internal Energy, Enthalpy & Total EnergyAvailable
4
Energy Balance: Closed SystemsAvailable

Mixtures and Humid Air · Psychrometrics (Humid Air) Basics

3 core skills7% total weight
0/3 completed
3 skills to mastery
1
Psychrometric ChartsAvailable
2
Humidity Ratio, Relative Humidity, Dew PointAvailable
3
Humidification/DehumidificationAvailable

Mixtures and Humid Air · Gas Mixtures

3 core skills6% total weight
0/3 completed
3 skills to mastery
1
Dalton's LawAvailable
2
Ideal Gas Mixture PropertiesAvailable
3
Mass & Mole FractionsAvailable

Problem-Solving & Property Tables Skills · Property Lookup and Interpolation

3 core skills3% total weight
0/3 completed
3 skills to mastery
1
Interpolating Property TablesAvailable
2
Choosing Property TablesAvailable
3
Unit Tracking & ConversionAvailable

Problem-Solving & Property Tables Skills · Modeling Workflow

4 core skills9% total weight
0/4 completed
4 skills to mastery
1
Checking ReasonablenessAvailable
2
Selecting System TypesAvailable
3
Common PitfallsAvailable
4
Stating AssumptionsAvailable