Thermodynamics Calculators

Engineering Thermodynamics is the science of energy — how it is stored, transferred, and converted between forms. The course covers the fundamental laws that govern all energy conversion processes, from car engines to power plants to refrigerators.

The First Law of Thermodynamics — conservation of energy — is the foundation. Students learn to apply energy balances to open and closed systems, tracking heat transfer, work, and changes in internal energy. The Second Law introduces entropy, which quantifies the direction of spontaneous processes and sets a fundamental upper limit on the efficiency of heat engines through the Carnot theorem. Key topics include the Ideal Gas Law and equations of state for real gases, thermodynamic processes (isothermal, isobaric, isochoric, isentropic, polytropic), and power cycles including the Otto cycle (gasoline engines), Diesel cycle (diesel engines), and Rankine cycle (steam power plants). Steam tables and refrigerant tables provide thermodynamic property data for working fluids. Psychrometrics addresses moist air — essential for HVAC design.

Thermodynamics is fundamental to power generation, propulsion, refrigeration, and any engineering system that involves heat and work. It provides the efficiency benchmarks against which real systems are evaluated and improved.