Thursday 5 December 2013

Jet engine

A jet engine operates on the application of Sir Isaac
Newton's third law of physics.This is a picture of how
the air flows through a jet engine.
Jet engines move the airplane forward with a great force
that is produced by a tremendous thrust and causes the
plane to fly very fast.
All jet engines, which are also called gas turbines, work
on the same principle. The engine sucks air in at the
front with a fan. A compressor raises the pressure of the
air. The compressor is made up of fans with many
blades and attached to a shaft. The blades compress
the air. The compressed air is then sprayed with fuel and
an 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 backward, the
engine and the aircraft are thrust forward.

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