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How jet engines work (the invention of 20th century modern science)

By Unknown - January 31, 2018

Airplanes, is one object that is always interesting to be listened to. This time we will see the development of one of the "vital organs" of the aircraft is a propulsion engine type Jet engine or in the world of aviation called Aircraft Power Plant.

The turbojet engine is the simplest jet engine, usually used for early jet aircraft or high-speed jets. An example of this engine is the Rolls-Royce Olypus 593 engine used for Concorde aircraft.

In addition to moving the plane, this machine can also be used to drive trains and ships, for example Marine Olympus engine that has a power of 28,000 hp (horsepower or equivalent to 21 MW) used to drive a modern warship with a dead weight of 20,000 tons with speed operation high.

Turbojet consists of air intake, air compressor, combustion chamber, gas turbine (which drives air compressor) and nozzle. Air is compressed into the combustion chamber, heated and adjusted very quickly due to the combustion process of the fuel and then the hot air is allowed to flow toward the turbine at high speed to provide propulsion which is then used to rotate the compressor.


Turbo Jet Drive System 

In a turbo-jet engine there is a combustion chamber, where compressed fuel flows into the combustion chamber, the combustion gases emit from behind and push the engine forward. The jet engine's thrust is very large because it is produced from high-pressure gas combustion.




Turbo Jet Working Principle 

From the picture of the turbo jet engine parts below, the working principle of the turbo jet engine is as follows:

Fresh air enters through the airways (water inlet)
Incoming air is then compressed (pressed) as it passes through compression fins (moving fins / compressor blades) and silent fins (stator blade).

High-pressure air is mixed with fuel resulting in an explosion in the combustion chamber that produces forward thrust through the turbine blades that are located behind the combustor chamber.

The commercial aircraft jet turbo engine that has been made capable of pushing the aircraft at speeds exceeds the speed of sound as in Concorde's supersonic commercial airliners, which have been used by British Airways and Air France airlines, although it is now discontinued due to the high operational costs.

History of Jet Engine

The famous physicist, Sir Isaac Newton also formulates in his third law, the law of Action and Reaction. The law states "Any force acting on an object, will produce an opposite force reaction of the same force".
From here the aviation engineers started to work on creating a Jet Engine that became the driving force of the airplane.

In 1913 a French engineer named Rene Lorin, patented a Jet thrust engine concept. But this turned out to be a theory, because at that time there was no manufacturing or producer capable of making Jet engines based on this theory, although today it turns out Ram Jet (one of modern Jet engine methods) uses this Lorin concept.

In 1930 Frank Whittle is believed to have patented his work, a turbine gas engine that produces Jet thrust. But this is still a theory as well. This turbine gas engine was only completed eleven years later by a flight test first. The concept of turbine gas turbine type engine made by Frank Whittle is later used by one of the leading manufactures of Jet Engine in the world that is Rolls-Royce Welland.

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