K Kelvin Thermodynamics Center

The Laws of Energy

Simulate heat engines, trace PV diagrams, calculate entropy changes, and explore the fundamental laws governing energy transformations.

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Heat & Temperature

Study thermal equilibrium, specific heat capacity, calorimetry, phase changes, and heat transfer by conduction, convection, and radiation.

Laws of Thermodynamics

Explore the zeroth through third laws, internal energy, enthalpy, free energy, and the relationship between heat, work, and efficiency.

Engines & Applications

Simulate Carnot, Otto, Diesel, and Rankine cycles. Analyze heat pumps, refrigerators, and real-world energy systems.

What We Offer

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Heat Engine Sim

Build and run thermodynamic cycles, measure efficiency, and compare ideal vs. real engine performance.

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PV Diagram Tool

Trace pressure-volume diagrams for isothermal, adiabatic, isobaric, and isochoric processes.

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Calorimetry Lab

Measure specific heat capacities, latent heats, and energy transfers in virtual calorimeter experiments.

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Entropy Calculator

Calculate entropy changes for reversible and irreversible processes with visual state diagrams.

What Learners Say

Running the Carnot cycle simulation while reading off efficiency from the PV diagram made theory real.
Prof. Kumar, Thermodynamics
I finally understand why perpetual motion machines are impossible after the entropy exercises.
Nathan R., Grade 12
30+
Simulations
2,400+
Practice Problems
15+
Engine Models
4.8/5
Student Rating