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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.

  3. Saunders-Roe Skeeter - Wikipedia

    en.wikipedia.org/wiki/Saunders-Roe_Skeeter

    Cierva W.14 Skeeter 1 Original design, first flown on 8 October 1948, powered by a 106 hp (79 kW) Jameson FF-1 engine. It had a triangular cross-section to its tail-boom. Only one was built. Cierva W.14 Skeeter 2 First flew in 1949. Powered by 145 hp (108 kW) Gipsy engine. Suffered badly from ground resonance and eventually shook itself apart.

  4. Passive ventilation - Wikipedia

    en.wikipedia.org/wiki/Passive_ventilation

    A roof turbine ventilator, colloquially known as a 'Whirly Bird' is an application of wind driven ventilation. Passive ventilation is the process of supplying air to and removing air from an indoor space without using mechanical systems.

  5. Ventilation (architecture) - Wikipedia

    en.wikipedia.org/wiki/Ventilation_(architecture)

    The furnace, built on the outside of the workshop, featured earthen pipe-like air vents with hundreds of tiny holes in them and a prototype chimney to ensure air goes into the furnace to feed the fire and smoke comes out safely. [39] Passive ventilation and passive cooling systems were widely written about around the Mediterranean by Classical ...

  6. Aviadvigatel PS-90 - Wikipedia

    en.wikipedia.org/wiki/Aviadvigatel_PS-90

    The Aviadvigatel PS-90 is a Russian high-bypass commercial turbofan rated at 16000 kgf (157 kN, 35,300 lbf) thrust.It powers Russian airliners such as the Ilyushin Il-96 and the Tupolev Tu-204/Tu-214 series and transport aircraft such as the Ilyushin Il-76.

  7. GM Whirlfire engine - Wikipedia

    en.wikipedia.org/wiki/GM_Whirlfire_engine

    The gasifier turbine idled at 15,000 RPM and the power turbine operated at up to 28,000 RPM. Overall compression ratio in the gasifier stage was 3.5:1. [ 22 ] Turbine inlet temperature was increased to 1,650 °F (900 °C) from 1,500 °F (820 °C); after GM Research re-rated the temperature resistance of the GMR-235 superalloy.

  8. Turbine inlet air cooling - Wikipedia

    en.wikipedia.org/wiki/Turbine_Inlet_Air_Cooling

    Moreover, the extra inlet-cooling kilowatt uses less fuel than the new turbine kilowatt due to the lower heat-rate (higher efficiency) of the chilled turbine. Other benefits may include the incrementation of steam mass flow in a combined cycle, the reduction of turbine emissions (SOx, NO x, CO 2), [21] and increase in power-to-installed volume ...

  9. Orenda Engines - Wikipedia

    en.wikipedia.org/wiki/Orenda_Engines

    Orenda Engines was a Canadian aircraft engine manufacturer and parts supplier. As part of the earlier Avro Canada conglomerate, which became Hawker Siddeley Canada, they produced a number of military jet engines from the 1950s through the 1970s, and were Canada's primary engine supplier and repair company.