Thermodynamics
Investigate thermal energy and the laws of heat transfer. Construct a physical calorimeter device and apply state-variable thermodynamics equations to analyze ideal gas engines.
What You'll Learn
- To calculate specific and latent heat transitions during phase changes.
- How to trace and evaluate cyclic engines on pressure-volume (PV) diagrams.
- The thermodynamic boundaries of the Carnot and Stirling cycles.
- To build and calibrate insulated calorimetric chambers.
Big Questions
How do isothermal and adiabatic expansion steps on a Carnot PV diagram mathematically limit a thermal engine's theoretical efficiency?
How can you quantify heat-loss error in a real-world calorimeter and mathematically calibrate your calculations?
Calorimetry & Heat Transfer
Core Principles
- Thermal Properties: Temperature scales, specific heat capacity ($Q = mc\Delta T$), latent heat of fusion/vaporization ($Q = mL$), and calorimetry equations.
- Conduction, Convection & Radiation: Mechanisms of thermal transfer, thermal conductivity ($k$), Stefan-Boltzmann radiation law.
- Experimental Design: Calibrating calorimeter insulation, minimizing air-gap convection, and using temperature data probes.
Gas Laws & Thermal Cycles
Advanced Gas Engines
- First Law of Thermodynamics: Conservation of energy ($\Delta U = Q - W$), molar heat capacities ($C_v, C_p$), work integrals.
- State Changes: Isothermal (constant $T$), Isobaric (constant $P$), Isochoric (constant $V$), and Adiabatic (no heat flow, $PV^\gamma = K$) processes.
- Cyclic Engines: Drawing and evaluating Carnot and Stirling engine PV loops to calculate work output, heat input, and net thermal efficiency.
Standard Textbooks
Fundamentals of Physics
Standard University PhysicsUniversity Physics
In-Depth Thermal CyclesRelated College Courses
General Physics I/II
Thermal Physics
Thermodynamics