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jet propulsion - ترجمة إلى اليونانية
THRUST PRODUCED BY PASSING A JET OF MATTER IN THE OPPOSITE DIRECTION TO THE DIRECTION OF MOTION
Jet Propulsion; Jet-powered
![A [[pump-jet]] on a ferry.](https://commons.wikimedia.org/wiki/Special:FilePath/Pump-jet on NatchanWorld 02.JPG?width=200 "A [[pump-jet]] on a ferry.")
jet propulsion
αεριοπροώθηση
jet engine
![Jet engine during take-off showing visible hot exhaust ([[Germanwings]] [[Airbus A319]])](https://commons.wikimedia.org/wiki/Special:FilePath/20140308-Jet engine airflow during take-off.jpg?width=200 "Jet engine during take-off showing visible hot exhaust ([[Germanwings]] [[Airbus A319]])")
![U.S. Air Force [[F-15E Strike Eagle]]s](https://commons.wikimedia.org/wiki/Special:FilePath/Airstrikes in Syria 140923-F-UL677-654.jpg?width=200 "U.S. Air Force [[F-15E Strike Eagle]]s")
![Electronic centralised aircraft monitor (ECAM)]] Display](https://commons.wikimedia.org/wiki/Special:FilePath/ECAM.jpg?width=200 "Electronic centralised aircraft monitor (ECAM)]] Display")
![Allies']] only jet aircraft to achieve combat operations during World War II.](https://commons.wikimedia.org/wiki/Special:FilePath/Gloster Meteor III ExCC.jpg?width=200 "Allies']] only jet aircraft to achieve combat operations during World War II.")
![JT9D]] turbofan jet engine installed on a [[Boeing 747]] aircraft.](https://commons.wikimedia.org/wiki/Special:FilePath/JT9D on 747.JPG?width=200 "JT9D]] turbofan jet engine installed on a [[Boeing 747]] aircraft.")
![[[Heinkel He 178]], the world's first aircraft to fly purely on turbojet power](https://commons.wikimedia.org/wiki/Special:FilePath/Ohain USAF He 178 page61.jpg?width=200 "[[Heinkel He 178]], the world's first aircraft to fly purely on turbojet power")
![[[Specific impulse]] as a function of speed for different jet types with kerosene fuel (hydrogen I<sub>sp</sub> would be about twice as high). Although efficiency plummets with speed, greater distances are covered. Efficiency per unit distance (per km or mile) is roughly independent of speed for jet engines as a group; however, airframes become inefficient at supersonic speeds.](https://commons.wikimedia.org/wiki/Special:FilePath/Specific-impulse-kk-20090105.png?width=200 "[[Specific impulse]] as a function of speed for different jet types with kerosene fuel (hydrogen I<sub>sp</sub> would be about twice as high). Although efficiency plummets with speed, greater distances are covered. Efficiency per unit distance (per km or mile) is roughly independent of speed for jet engines as a group; however, airframes become inefficient at supersonic speeds.")
![The [[Whittle W.2]]/700 engine flew in the [[Gloster E.28/39]], the first British aircraft to fly with a turbojet engine, and the [[Gloster Meteor]]](https://commons.wikimedia.org/wiki/Special:FilePath/Whittle Jet Engine W2-700.JPG?width=200 "The [[Whittle W.2]]/700 engine flew in the [[Gloster E.28/39]], the first British aircraft to fly with a turbojet engine, and the [[Gloster Meteor]]")
REACTION ENGINE WHICH GENERATES THRUST BY JET PROPULSION
Jet engines; Jet turbine; Jet engined; Aircraft jet engine; Jet-engine; Jet motor; Jet thrust; Jet Engine; Lubrication system of jet engines; Lubrication System of Jet Engines; Jet propulsion engine; Jet engine nozzle; Duct jet engine; Jet engines and volcanic ash; Jetmotor; Energy efficiency of aircraft jet engines; Jet aviation
μηχανή αεροπλάνου
αεριοπροώθηση
jet propulsion
تعريف
jet propulsion
¦ noun propulsion by the backward ejection of a high-speed jet of gas or liquid.
ويكيبيديا
Jet propulsion
Jet propulsion is the propulsion of an object in one direction, produced by ejecting a jet of fluid in the opposite direction. By Newton's third law, the moving body is propelled in the opposite direction to the jet. Reaction engines operating on the principle of jet propulsion include the jet engine used for aircraft propulsion, the pump-jet used for marine propulsion, and the rocket engine and plasma thruster used for spacecraft propulsion.
أمثلة من مجموعة نصية لـ٪ 1
1. Moustafa Chahine of NASA‘s Jet Propulsion Laboratory, Pasadena, Calif.
2. Yeomans, a senior research scientist at NASA‘s Jet Propulsion Laboratory.
3. The Stardust mission is managed by NASA‘s Jet Propulsion Laboratory in Pasadena, California.
4. Cruise missiles are typically low–flying guided missiles that use jet propulsion to allow sustained flight.
5. EDT, 0552 GMT on Monday) smashup, scientists at NASA‘s Jet Propulsion Laboratory said.