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6 months ago (11/01/22) 283 Views

How jet engines are made

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The way jet engines are made

 

Every action has equal and opposite reaction Every action has equal and opposite reaction. Isaac Newton’s third theory is that the engine of an aircraft can fly an aircraft in the sky. The engine of the aircraft absorbs air from the front and releases it under intense pressure from the rear, creating a strong thrust or push, which propels the aircraft forward.

Different parts of an aircraft engine There are mainly 4 parts in an aircraft engine, viz

1. Intake fan.

2. Compressor.

3. Combustion Chamber.

4. Exhaust.

Intake fan :

The job of the intake fan is to get air into the engine from outside.

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Compressor :

The air first enters the compressor through the intake fan. The compressor compresses the air and sends it to the combustion chamber.

Combustion Chamber :

When the compressor compresses the air and sends it to the combustion chamber, the combustion chamber produces energy by burning the air with the help of fuel. The burning of air here produces a variety of gases, including carbon dioxide, which produces a lot of powerful energy.

Exhaust :

When the air from the combustion chamber burns and turns into different gases, these gases try to escape at supersonic speed. Since the gases cannot escape through the front due to the ingress of air from the front, the gases are expelled from the rear at supersonic speeds with the help of this exhaust. Which propels the aircraft forward.

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Some secret technology for aircraft engines: The metal companies that make some parts for aircraft engines keep it a secret that no one else can make it easily. To date, only a handful of companies in the world have been able to build an efficient aircraft engine. I am highlighting the parts of 4 main aircraft engines.

Compressor:

Compressor is one of the high-tech parts in aircraft engines. Many compressors are made with wheel wheels. But the wheel of every will does not turn. Each rotating wheel is fitted with a stationary blade. Modern jets can compress the air at a ratio of approximately 1.44, 1.50 and put it inside the engine. Atmospheric pressure is usually 14.7 PSI, so understand that a compressor can compress this air 44 to 50 times. As the wind passes through each of the blades, the air gradually becomes more compressed. So if you ask a question or say that if you put too many or more blades then the compression of air will increase more. In this case I would like to inform you that if the number of blades is increased,However, the air pressure will increase several times. That is why it has to be made in a perfect way by doing a lot of calculations. So that sufficient amount of air can be compressed.

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Combustion Chamber:

Another important part used in jet engines is the Combustion Chamber.The air in the combustion chamber is burned with the help of fuel. And when the air is burned here, the temperature here reaches 2000 degrees Celsius. There are very few substances that have an intake of up to 2,000 degrees centigrade. Any ordinary substance will melt in that situation. For this, scientists use a technology called reverse flow. With this technology, only 20% of the air that flows to the combustion chamber after compression can enter the combustion chamber. The remaining 80% of the air enters through the outside of the combustion chamber and re-enters the chamber from the opposite direction with the help of small holes in the wall of the chamber. Creates a layer of air. The help of which is too much to be made in the Combustion Chamber. The temperature / fire cannot touch the walls of the Combustion Chamber. For which the inside of the combustion chamber is cold. However, this work has to be done by calculating a huge amount. This is because if less air enters the combustion chamber, the fuel in the chamber will not burn as much as it should. Again, if more air enters the Combustion Chamber, the problem is, the fire can be extinguished. Suppose you can’t light a match in a storm.Then the fire can be extinguished. Suppose you can’t light a match in a storm.Then the fire can be extinguished. Suppose you can’t light a match in a storm.

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Turbine:

One of the most important components used in a jet engine is the turbine in the engine. ((Did you know ?? Turbines used in jet engines are the most man-made objects on earth to date)) The reason is that the air that burns at a temperature of 2000 degrees Celsius and flows through the turbines must be about 1500 degrees Celsius. Then the wind blows through here again at supersonic speed. Just think, when there are different cyclones or storms on earth, if the speed of these storms is only (200*15) kilometers per hour, then our house will be landed. This means that if the wind blows at a speed of 3000 kilometers per hour, then if the temperature of that wind is 1500 degrees Celsius, where the glass melts at 1200 degrees Celsius,So how can this turbine survive without enduring so much? And that’s why every aircraft manufacturer in the world keeps secret the technology of turbine blades used in their aircraft engines. At present, aircraft manufacturers make small holes in the blades of turbines in aircraft engines so that cold air can flow through those holes. This allows the temperature of the turbine and the blade to be kept cool.

Using all these incredible technologies, the jet engine is considered to be one of the most secretive inventions using man-made technology.

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