YOGYAKARTA - Jet aircraft is one type of aircraft or air transportation mode. Unlike passenger transport aircraft in general, jet engines use special engines. Jets achieve maximum efficiency when flown at an altitude of 10,000 to 15,000 meters.
Jet aircraft can fly at high speed and high altitude because the thrust in the engine takes large air masses and speeds up small amounts. Some
Jets are one of the military facilities for air flights. The state uses jet engines to guard its airspace. The military uses jets as a defense tool because they have the ability to exceed the average compared to ordinary aircraft in general.
The patent of a jet engine was filed for the first time in 1913 by French engineer Rene Lorin. Prior to that, the concept of a jet engine inspired by toys in ancient Roman times called Heros Engine. The way this machine works using a style system issued by the mouth of the jet produces the same reaction as the thrust of the jet.
Lorin patented an athodyd jet engine that doesn't have a rotating part. This engine is more popularly called a jet pulse engine. But this concept is still not suitable for jet-propulsing aircraft because it is inefficient at low speed.
Then a Frank Whittle, an officer of the British Royal Air Force, an University of Gottingen aerodynamics student, and an Italian engineer developed a jet engine whose concept is to use spinning components, such as compressors and turbines. This innovation was patented by Frank Whittle in 1930.
Whittle then built a Power Jets company and successfully developed a jet engine. His company received a contract from the British Air Force. In 1942 the engine, the W-1x type, was asked for a license by the United States.
The W-1X type engine test was first carried out in December 1940. The engine was then modified and declared suitable for its use as an aircraft operation force. The plane with an English jet engine, Gloster E.28/39, was first flown on 15 May 1941 by a pilot named Delasa Sayer.
In its development, there are several types of jet engines. Jet engines are not only used for aircraft operation, but also other tools for human needs.
Turbojet is the simplest aircraft engine. This engine is usually used in early jets and commercial aircraft. The turbojet engine produces a large thrust. This engine is also used for the operation of ships and trains.
Turbofan is a derivative engine of the jet engine used for the operation of fighter aircraft and commercial aircraft. This Meisn works using an internal fan with a small turbojet behind it as a driver. The turbofan engine is widely used because it is very efficient and produces smaller sound.
Turboprop is a modified turbojet engine. The turboprop engine can only be used to operate low-speed aircraft. This engine can absorb the remaining fuel that drives the compressor dab which is classified as very fuel efficient.
Turboshaft was originally a turboprop engine without adding a propeller. This machine is commonly used to operate helicopters. The engine's turbine power is directly connected to a gearbox reduction. Now this machine is also used to operate power plants, oil pumps, gas pump stations, ships.
That's an explanation of the jet engine and its development history. The jet engine actually has a similar system to other aircraft. However, jet engine fuel is larger because it is used to produce higher acceleration.
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