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Adjustable exhaust nozzle with partly expanded diffusers - a variable area nozzle is required in a jet engine for optimal expansion and adjusting back pressure in the engine when the afterburner is operated, it avoids compressor surge problems due to the increased back pressure on the engine when the afterburner is lit - engines capable of supersonic flight have convergent-divergent exhaust duct features to generate supersonic flow - GE F110 afterburning turbofan jet engine on F-16 fighters - empennage close-up of exhaust and elevator.
Shot of an airplane turbine on display
Aircraft jet engine maintenance and inspection in the airplane hangar.
aft mount
Side view of an old air craft jet engine without its covers
Turbine engine.
aircraft engines for gas generation
Lisbon, Portugal: boxed aircraft auxiliary power unit (APU) - the APU is a small turbine engine that provides air and electricity, no hydraulics, but electricity and air can run hydraulic pumps. APUs are typically located in the tail cone of the aircraft, but they can also be located in the engine nacelles or in the wheel wells. APUs can be started using either the aircraft's batteries or a ground power unit (GPU). Once the APU is running, it generates electrical power through a generator. APUs are also used by some airlines to reduce fuel consumption. For example, some airlines use the APU to power the aircraft's air conditioning system on the ground, instead of using the main engines. This can save fuel, as the main engines are more fuel-efficient when they are running at higher speeds - Lisbon Airport, aka Humberto Delgado airport.
Inside the Rolls Royce Trent 800 Engine, this engine is designed for Boeing 777 aircraft.
large aircraft engine
Wide angle close-up image of aeronautical engine, belonging to a Euro-fighter Typhoon.
Gas turbine engine close up during maintenance when airplane park at the airport.Mechanic and technician repair hydraulic and check system of power plant.
Exhaust engine boeing max
CFM56Jet Engine as used on A320 and 737
Lisbon, Portugal: Ram Air Turbine (RAT)  is a small propellor that will deploy in a serious emergency to supply emergency backup electrical power to the aircraft. Usually this happens after all main engines and the APU (auxiliary power unit) fail. Behind the two-blade propeller a hydraulic pump can be seen, besides power, the RAT provides emergency hydraulic pressure. The RAT generates power from the airstream by ram pressure due to the speed of the aircraft. It may be also called an air driven generator (ADG) -
Airplane engine exhaust is like vehicle exhaust in general, but this one is more powerful and uses aviation fuel
Jet aircraft engine in the hangar
Dusty old aircraft turbofan engine detail of front air intake blades
Aircraft Jet engine maintenance in airplane hangar
Gas turbine engine close up during maintenance when airplane park at the airport.Mechanic and technician repair hydraulic and check system of power plant.
Lockheed Constellation Passenger Airliner
Close-up of aircraft engine in aerospace industry
Norfolk, Virginia, USA - May 30, 2023: The USS Dwight D. Eisenhower (CVN-69) aircraft carrier docked at Naval Station Norfolk while in port.
Fairford, Gloustershire , UK - July 18, 2009: RAF Typhoon jet fighter showing the detail engine exhaust of its twin jet turbines. Notice the single electronic warfare pod under its belly.
Rebuilt, aircraft gas turbine engine on stand.
Airplane turbine at Cartagena airport, Colombia. Fossil fuel airplane exterior night activity. Transport affected by Covid19
Detail of the intake end of the left side engine of a Boeing
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