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Thermodynamics

Thermodynamic properties, first and second laws, power and refrigeration cycles, and chemical thermodynamics. The physical foundation for all energy conversion systems — power plants, engines, refrigerators, and chemical processes.

7 modules·72 concepts·53 practice problems·~40 hours

Prerequisites

Exam Relevance

FE Exams4 exams
FE General6% of exam
FE Mechanical13% of exam
FE Chemical9% of exam
FE Environmental4% of exam
University Exams1 exam
University Thermodynamics100% of exam

Module Breakdown

1.Thermodynamic Concepts & Properties

18 concepts·22 problems

Define systems, apply the ideal gas law, read steam tables for two-phase mixtures, and work with psychrometric properties like dew point and relative humidity.

18 concepts covered
Closed SystemIdeal Gas LawIdeal Gas PropertiesSpecific VolumeKelvin TemperatureSaturation PropertiesSaturated SteamSteam QualitySteam TablesTwo Phase MixtureSpecific Heat RatioPv DiagramDew PointRelative HumidityPsychrometricsSaturation Vapor PressureMagnus FormulaMass Weighted Average

2.First Law of Thermodynamics

13 concepts·16 problems

Apply energy balances to closed and open systems, calculate boundary work and enthalpy changes, and analyze adiabatic, isothermal, isobaric, and polytropic processes.

13 concepts covered
First Law ThermodynamicsInternal EnergyEnthalpyBoundary WorkHeat Work RelationEnergy BalanceKinetic EnergySteady Flow Energy EquationAdiabatic ProcessIsothermal ProcessIsobaric ProcessPolytropic ProcessAdiabatic Mixing

3.Second Law of Thermodynamics

12 concepts·18 problems

Evaluate entropy changes, identify irreversibilities, apply isentropic efficiency to turbines and compressors, and compute Carnot limits for heat engines and refrigerators.

12 concepts covered
Second Law ThermodynamicsEntropyEntropy GenerationIrreversibilityTds RelationsIsentropic ProcessIsentropic EfficiencyThermal ReservoirCarnot CycleThermal EfficiencyCoefficient Of PerformanceCarnot Refrigerator

4.Gas Power Cycles

8 concepts·6 problems

Analyze ideal Otto, Diesel, and Brayton cycles under air-standard assumptions, and relate thermal efficiency to compression ratio, cutoff ratio, and pressure ratio.

8 concepts covered
Air Standard AssumptionsOtto CycleDiesel CycleBrayton CycleGas TurbineCompression RatioCutoff RatioPressure Ratio

5.Vapor Power & Refrigeration Cycles

4 concepts·6 problems

Trace the ideal Rankine cycle through boiler, turbine, condenser, and pump, and calculate thermal efficiency and pump work for steam power plants.

4 concepts covered
Rankine CycleSteam Power PlantTurbinePump Work

6.Heat Transfer Fundamentals

13 concepts·4 problems

Apply Fourier's law and Newton's law of cooling to conduction and convection problems, model composite walls with thermal resistance networks, and size heat exchangers using the log-mean temperature difference.

13 concepts covered
Fourier LawThermal ConductivityThermal ResistanceThermal Resistance SeriesSteady State ConductionComposite WallConvection CoefficientConvection Heat TransferNewtons Law Of CoolingHeat Transfer RateHeat ExchangerLog Mean Temperature DifferenceCounter Flow

7.Thermal Radiation

4 concepts·1 problems

Calculate radiative heat transfer using the Stefan-Boltzmann law, distinguish between blackbody and real-surface emission, and apply emissivity to engineering radiation problems.

4 concepts covered
Thermal RadiationStefan Boltzmann LawEmissivityBlackbody Radiation

Reference Textbooks

  • Cengel & Boles — Thermodynamics
  • Moran & Shapiro — Engineering Thermodynamics

Ready to practice Thermo?

53 practice problems with step-by-step solutions. Free, no credit card.