Engineering simulators.
10 simulators that show how machines and instruments work. Everything runs free in your browser, with no signup.
- 10 simulators
- 7 in 3D
- Practice or quiz in every one
Rebuilt in full 3D
Detailed models with a guided tour, a challenge and sound. More simulators join as each one is rebuilt.
Rebuilt in 3D
IC EngineEngines & powerFour strokes, valves and firing order, in 3D.A four-stroke engine in 3D: valve timing, firing order and the Otto cycle. 3D Tour Guided tour
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Rebuilt in 3D
TurbochargerEngines & powerLag, the wastegate, the map and surge.Spool it on real physics: turbo lag, the wastegate, the map and surge. 3D Tour Guided tour
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More simulators
Ordered by field, from engines to lab instruments. Every one has a practice or quiz mode.
Engines & power
+ 2 above
Thermal & refrigeration
4 simulators
Thermal & refrigerationRefrigeration CycleSix refrigerants through a vapour-compression cycle and its P–h chart. Practice Quiz Sound 
Thermal & refrigerationHeat ExchangerLMTD, NTU and effectiveness for counter, parallel and cross flow. 3D Practice Quiz 
Thermal & refrigerationHeat TransferConduction, convection and radiation as thermal resistances. Practice Quiz 
Thermal & refrigerationPsychrometric ChartDrag a state point and read every property of moist air. Practice Quiz
