Rocket and jet engines for commercial spaceflight and aviation cut open and explained part by part, so you can follow the propellant from tank to nozzle.
How a Liquid Rocket Engine Works
Pumps, injector plate and combustion chamber driving a de Laval nozzle.
How a Turbojet Engine Works
Air compressed, burned and expanded through a turbine to make thrust.
Turbofan Engine Cutaway: Fan, Bypass Duct and Core
Fan, bypass duct and core flow split shown layer by layer.
How a de Laval Converging-Diverging Nozzle Works
A narrowing then widening throat that accelerates flow to supersonic speed.