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  2. Components of jet engines - Wikipedia

    en.wikipedia.org/wiki/Components_of_jet_engines

    Diagram of a typical gas turbine jet engine. Air is compressed by the compressor blades as it enters the engine, and it is mixed and burned with fuel in the combustion section. The hot exhaust gases provide forward thrust and turn the turbines which drive the compressor blades. 1. Intake 2. Low pressure compression 3. High pressure compression ...

  3. Expansion chamber - Wikipedia

    en.wikipedia.org/wiki/Expansion_chamber

    To do this, the expansion chamber is increased in diameter so that the out-going acoustic wave (created by the combustion process) creates a reflected vacuum (negative pressure) wave that returns to the cylinder. This part of the chamber is called the divergent (or diffuser) section and it diverges at 7 to 9 degrees.

  4. Diffuser - Wikipedia

    en.wikipedia.org/wiki/Diffuser

    Diffuser (automotive), a shaped section of a car's underbody which improves the car's aerodynamic properties Part of a jet engine air intake , especially when operated at supersonic speeds The channel between the vanes of the stator of a centrifugal compressor

  5. Gas turbine engine compressors - Wikipedia

    en.wikipedia.org/wiki/Gas_turbine_engine_compressors

    The very first jet engines used centrifugal compressors and they are still used on small turbojets and turbo shaft engines. The key component that makes a compressor centrifugal is the centrifugal impeller which contains a rotating set of blades. In a centrifugal compressor the airflow goes perpendicular to the axis of rotation.

  6. Exhaust mixer - Wikipedia

    en.wikipedia.org/wiki/Exhaust_mixer

    The exhaust thrust from a jet engine is equal to exhaust mass flow times exhaust velocity, i.e., Thrust = ṁv, while the energy to make that thrust is given by Energy = 1/2mv 2. A mixer helps reduce the fastest exhaust velocities from the core of the engine, while making the average exhaust velocity faster, producing more thrust with the same ...

  7. Water injection (engine) - Wikipedia

    en.wikipedia.org/wiki/Water_injection_(engine)

    Notable engine with water fuel injection: BMW 801, Daimler-Benz DB 605, Junkers Jumo 213. When used in a turbine engine, the effects are similar, except that normally preventing detonation is not the primary goal. Water is normally injected either at the compressor inlet or in the diffuser just before the combustion chambers.

  8. Pratt & Whitney JT8D - Wikipedia

    en.wikipedia.org/wiki/Pratt_&_Whitney_JT8D

    The JT8D is an axial-flow front turbofan engine incorporating a two-spool design. There are two coaxially-mounted independent rotating assemblies: one rotating assembly for the low pressure compressor (LPC) which consists of the first six stages (i.e. six pairs of rotating and stator blades, including the first two stages which are for the bypass turbofan), driven by the second (downstream ...

  9. Diverterless supersonic inlet - Wikipedia

    en.wikipedia.org/wiki/Diverterless_supersonic_inlet

    A diverterless supersonic inlet (DSI) is a type of jet engine air intake used by some modern combat aircraft to control air flow into their engines. It consists of a "bump" and a forward-swept inlet cowl, which work together to divert boundary layer airflow away from the aircraft's engine.

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