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Engines

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by

Kate Munday

on 6 December 2017

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Transcript of Engines

Planes
Construction
Planes are machines that fly people from point A to point B,here is how they work.The first and the main compartment of the plane is the jet engines, which are also called gas turbines.The engines consume air at the front with a fan.The compressor made with many blade attached to a shaft.The blades spin at high speed and compress or squeeze the air.The compressed air is then sprayed with fuel and electric spark lights the mixture.The burning gases expand and blast out through the nozzle,at the back of the engine.As the jets of gas shoot backwards,the engine and the aircraft are thrusted forwards.As the hot air is going through the nozzle,it passes through another group of blade called the turbine.The turbine is attached to the same shaft as the compressor,spinning the turbine causes the compressor to spin
Engines of a plane
The wings are an essential part of a plane.each and every plane has two identical wings so it doesn't become unbalance.A wing helps the plane to ascend and also to descend,it does this by something called a flap,when a flap is positioned downwards the air also rushes downwards with the flap too which leads to the plane ascending.If the flaps is placed upwards the plane does the opposite of what the flaps does if it is placed downwards which force the plane to descend to an suitable attitude for it to land.
Wings
The four forces of a plane are lift, drag, weight and thrust and we will be talking about them today. Lift: lift is produced by the Bernoulli's principal(Discovered by Daniel Bernoulli.) That says that the faster a fluid(such as air) is moving, the lower presser it exerts. Airplane wings are made so that air moves quickly over the top and slower on the bottom. So, the air on the bottom of the wing exert enough pressure upwards to counteract gravity and the pressure on top of the wings.
The four forces of a plane
Studying the motion of air around an object allows us to measure the forces of lift, which allows an aircraft to overcome gravity and drag which is the resistance an aircraft feels as it moves through the air as it moves through the air. Everything moving through the air including Airplane,rockets,birds is affected by aerodynamics.
Aerodynamics physics and how it effects the plane
The biggest aircraft take off
Boeing-747
A big plane
The biggest of plane needs to have the biggest of thrust to get it up in the air. The biggest plane is called the Antonov-225 also called the An-225 and on board it carries 6 yes 6 jet engines which needs to be efficient and powerful to be able to carry the space shuttle.
Thrust SSC
The Thrust SSC also known as Thrust Super-Sonic-Car is the fastest land vehicle ever made, it uses two Rolls Royce jet engines to power it all
Full transcript