afterburning

Jet fuel injection

Afterburning is the process of injecting additional fuel into a jet engine's exhaust to produce extra thrust.

The fuel ignites in the hot exhaust gases, dramatically increasing power for takeoff, climbing, or supersonic flight at the cost of high fuel consumption.

An aircraft using this feature is said to be flying on afterburner.

The device itself is called an afterburner.

propulsion

thrust

Forceful forward motion

turbojetTurbine-powered aircraft propulsion
turbofanHigh-bypass aircraft engine
ramjetVelocity-fed aircraft engine

scramjet · reheat · nozzle · combustion · exhaust · ignition · fuel injection · burner · augmentation · throttle

combustion

flame

Burning gas made visible

ignitionStarting combustion process
fuelEnergy source material
heatTransferred thermal energy

glow · fiery · plume · flare · incandescence · burn · oxidizer · thermal · emission · luminous

speed

supersonic

Exceeding audio velocity

machAirspeed-to-soundspeed ratio
hypersonicFaster than Mach five
transonicNear sound-speed velocity

velocity · acceleration · sonic boom · aerodynamics · drag · airflow · Concorde · SR-71 · interceptor · dash

afterburning

thrust

flame

supersonic

afterburning

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