Energy engineering
Learn how heat engines turn fuel into work. Calculations with verified steps.
Lessons
Lessons are in Slovenian for now; English translations are in preparation.
Motorji s prisilnim vžigom
The Otto cycle, efficiency and power of a gasoline engine.
Planned topics
These topics aren't in the app yet. We're preparing them.
Compression ignition engines
The Diesel cycle compared with the Otto cycle.
Steam turbines
The Rankine cycle and converting heat into work.
Pumps
Pump head, flow rate and pump power.
Key formulas
Concept
Formula
Efficiency
η = P_izh / P_vh
Otto cycle efficiency
η = 1 − 1 / ε^(κ − 1)
Engine power
P = M · ω