How does a jet engine work? (One paragraph)?

Question

How does a jet engine work? (One paragraph)?

Answer 1

mmmm It needs some good weed to burn first man it's not so easy to start lol wants some high quality smoke.

Technically  " cchidzey  " is right followed by " jrc" :)

Answer 2

It intakes air from the surroundings, which mixes with the jet fuel. They undergo combustion, which releases energy. That energy is used to power the engine which accelerates the exhaust gases through the outlet at high velocities. The reaction force from that high velocity outlet is what propels the plane.

Answer 3

A jet engine has four distinct phases of operation, which are comparable to the four cycles of an automobile engine...

1) Intake - Air is drawn into the engine;

2) Compression - air is compressed and fuel is introduced;

3) Ignition - the compressed fuel/air mixture is burned, creating rapidly expanding hot gasses;

4) Exhaust - the hot gasses created by ignition are routed out of the engine, creating thrust and turning a turbine which drives the compressor section, which allows the cycle to continue.

Answer 4

ok, i tear these things apart for a living for the army, have torn apart many of them, especially in iraq. im gonna try to give the best short description i can. here it goes:

air is sucked in through the intake, which hits vanes that start spinning the air going into the engine. the centrifigul force created forces debris to the ouside of a duct, which ejects debris, so only clean air is left to enter the compression section. the air is compressed through a series of vanes and turbines so that the air is highly pressurized as it enters the combustion chamber. before it enters the combustion chamber, it goes through another set of vanes that slow the spinning of the air so as to provide a more controlled flow. the pressurized air is combined with a fuel mist coming from fuel injectors that ignite and blow out the back(in jets) to create thrust, or in helicopters, spins more turbines that spin the driveshaft going to the rotor blades. once combustion starts, it is a continually cycle(does not need anymore sparks, seperating it drastically from a typical engine, which requires a spark every cycle). this is also what makes it impractical to use in a car, because a turbine engine uses just as much fuel at idle as it does at max force. all of this spinning is also geared into a gearbox, which in turn operates other accessories to keep the engine running, such as fuel pump, fuel and oil filters, and sensors that tell the engine how much power it needs to perform the task given.

long paragraph, but fairly in depth. have fun.

Answer 5

It is essentially the same as a 4 cycle piston engine.  Intake, compression, power, and exhaust all take place in both types of engines.  In a piston driven engine, the cycles occur at different times in the same place (the cylinder).  In a jet engine the "4 cycles" occur at the same time in different places within the engine.  As previously stated, the exhaust gases are directed out of the rear of the engine which results in thrust.  It is like a balloon that you blow up and let go of...the balloon flies around because air is compressed and forced out of the opening.

Answer 6

suck - squeeze - bang - burn

shortest paragraph there is!

edit : yeah above is wrong:

Spin - suck -squeeze- bang- blow- spin

Answer 7

The very basic principle is Suck, Squeeze, Bang, Blow.

The air is sucked in the front by a fan (driven by the turbine), compressed through the compressor blades behind the fan, when the air is at its most compressed, fuel is added and ignited, and the hot gasses blown out the back to create thrust. As the gasses blow out the back, they pass through a turbine causing it to spin. This turbine turns the fan at the front, completeing the cycle.

Answer 8

air is brought in

air is compressed--potential energy is added but air gets hotter

compressed air is mixed with fuel

compressed air/fuel mixture is ignited.

about 90% of the air brought in is to keep the engine cool