Lecture Notes

Below is a sample of lecture notes for a first course in CH E thermo that covers first/second law, thermodynamics of pure fluids and applications to power generation/refrigeration. The notes are from the Fall 2015 offering of CH E 220, Penn State’s first course in chemical engineering thermodynamics. The list of topics is a representative syllabus for a typical course in Thermo I in chemical engineering. Chapters 8 through 14 covers material that falls under the general title Phase & Chemical Equilibria. Chapter 7 is a transition chapter: it deals with phase equilibrium of pure components–the phase equilibrium content would make it part of Thermo I, the focus on pure components would make it a part of Thermo II).

The lecture notes are based on a 15 week semester with 3 three 1-hr lectures per week.

Syllabus & Lecture Notes for Thermo I (chapters 1-6)

(The Lecture Notes for Thermo II will be posted in the future)

Chapter 1

  • Lecture 1: Introduction and scope
  • Lecture 2: System, state properties; working with units

Chapter 2

  • Lecture 3: PVT behavior of pure fluids, PV and PT graphs, Antoine equation, lever rule
  • Lecture 4: Examples with the lever rule; steam tables
  • Lecture 5: More on steam tables; interpolation; examples
  • Lecture 6: Compressibility factor, ZP graph, corresponding states, Pitzer/Lee-Kesler method
  • Lecture 7: Equations of state (EoS), ideal gas state, viral equation, cubic EoS.
  • Lecture 8: Isotherm of the SRK equation; the V/L boundary of cubic EoS; examples using the SRK
  • Lecture 9: Other empirical equations (Rackett), examples; review of chapter 2.

Chapter 3

  • Lecture 10: Energy, work, PV and shaft work
  • Lecture 11: Heat, first law, internal energy
  • Lecture 12: Enthalpy, constant-volume and constant-pressure process; examples
  • Lecture 13: Heat capacities; heat of vaporization; constant-pressure process with phase change
  • Lecture 14: Examples
  • Lecture 15: Energy balances in the ideal-gas state; elementary paths in the ideal-gas state (const-P, const-V, const-T)
  • Lecture 16: Reversible adiabatic process in the ideal-gas state; examples
  • Lecture 17: Irreversible processes; examples; review of chapter 3

Chapter 4

  • Lecture 18: Second law, entropy, examples
  • Lecture 19: Calculating entropy in const-P, const-T; isentropic process; entropy change of bath
  • Lecture 20: Examples with reversible/adiabatic process; entropy in the ideal-gas state; using entropy in energy balances
  • Lecture 21: Entropy generation; lost work; examples
  • Lecture 22: More examples with lost work; Carnot cycle; thermodynamic efficiency
  • Lecture 23: Heat pumps and Carnot refrigerators; review of chapter 4

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