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jet-planes-how-they-work-10 A simple explanation of how a jet engine converts a continuous draft of air and fuel into powerful exhaust gas that powers a plane through the sky. How do winglets work? Find out how they counteract drag at high angles of attack, and how they interact with wingtip vortices.  What does a winglet do, besides make an airplane look cool? They're known to increase performance, increasing range and decreasing fuel burn, but why? Winglets oppose the drag wingtip vortices create by harnessing the vortices' airflow. NASA engineer Richard Whitcomb pioneered the technology in the s, and they've become a fixture on almost every modern jet. So how do they work? First, you need to understand how wingtip vortices form and why they create drag. Then, you'll understand how winglets counter that drag with lift. Wingtip Vortices: Spinning Air And Adding Drag. "How a Jet Engine Works" video. We take for granted how easily a plane weighing over half a million pounds lifts off the ground with such ease. How does it happen? The answer is simple. It's engines. Let Theresa Benyo of NASA Glenn Research Center explain more As featured on NASA's Destination Tomorrow. 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 comp.

What is Aeronautics? Download Real Media 56k k. Download Windows Media Player 56k k. We take for granted how easily a plane weighing over half a million pounds lifts off the ground with such ease. How does it happen? The answer is simple. It's engines. 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 jet planes how they work 10 turbineswork 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 with many blades attached to How Many Jet2 Planes Are There a shaft. The blades spin at high speed and compress or squeeze 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, jet planes how they work 10 the back of the engine. As the jets of gas shoot backward, the engine and the aircraft are thrust forward. As the hot air is going to the nozzle, it passes through another group of blades called the turbine. The turbine is attached to the same shaft as the compressor. Spinning the turbine causes the compressor to spin.

The image below shows how the air flows through the engine. The air goes through the core of the engine as well as around the core. This causes some of the air to be very hot and some to be cooler. The cooler air then mixes with the hot air at the engine exit area. Thrust is the forward force that pushes the engine and, therefore, the airplane forward. Sir Isaac Newton discovered that for "every action there is an equal and opposite reaction.

The engine takes in a large volume of air. The air is heated and compressed and slowed down. The air is forced through many spinning blades. By mixing this air with jet fuel, the temperature of the air can be as high as three thousand degrees. The power of the air is used to turn the turbine. Finally, when the air leaves, it pushes backward out of the engine. This causes the plane to move forward. Parts of a Jet Engine.

Fan - The fan is the first component in a turbofan. The large spinning fan sucks in large quantities of air. Most blades of the fan are made of titanium. It then speeds this jet planes how they work 10 up and splits it into two parts.

One part continues through the "core" or center of the engine, where it is acted upon by the other engine components. The second part "bypasses" the core of the engine. It goes through a duct that surrounds the core to the back of the engine where it produces much of the force that propels the airplane forward. This cooler air helps to quiet the engine as well as adding thrust to the engine. Compressor - The compressor is the first component in the engine jet planes how they work 10. The compressor is made up of fans with many blades and attached to a shaft.

The compressor squeezes the air that enters it into progressively smaller areas, resulting in an increase in the air How Jet Planes Engines Work Up pressure. This results in an increase in the energy potential of the air. The jet planes how they work 10 air is forced into the combustion chamber. Combustor - In the combustor the air is mixed with fuel and then ignited.

There are as many as 20 nozzles to spray fuel into the airstream. The mixture of air and fuel catches fire. This provides a high temperature, high-energy airflow. The fuel burns with the oxygen in the compressed air, producing hot expanding gases. The inside of the combustor is often made of ceramic materials to provide a heat-resistant chamber. Turbine - The high-energy airflow coming out of the combustor goes into the turbine, causing the turbine blades to rotate.

The turbines are linked by a shaft to turn the blades in the compressor and to spin the intake fan at the front. This rotation takes some energy from jet planes how they work 10 high-energy flow that is used to drive the fan and the compressor.

The gases produced in the combustion chamber move through the turbine and spin its blades. The turbines of the jet spin around thousands of times. They are fixed on shafts which have several sets of ball-bearing in between them. Nozzle - The nozzle is the exhaust duct of the engine. This is the engine part which actually produces the thrust for the plane. The energy depleted airflow that passed the turbine, in addition to the colder air that bypassed the engine core, produces a force when exiting the nozzle that acts jet planes how they work 10 propel the engine, and therefore the airplane, forward.

The combination of the hot air and cold air are expelled and produce an exhaust, which causes a forward thrust. The nozzle jet planes how they work 10 be preceded by a mixerwhich combines the high temperature air coming from the engine core with the lower temperature air that was jet planes how they work 10 in the fan.

The mixer helps to make the engine quieter. Sir Isaac Newton in the 18th century was the first to theorize that a rearward-channeled explosion could propel a machine forward at a great rate of speed. This theory was based on his third Soft Close Drawer Slides How They Work English law of motion. As the hot air blasts backwards through the nozzle the plane moves forward. Henri Giffard built an airship which was powered by the first aircraft engine, a three-horse power steam engine. It was very heavy, too heavy to fly.

InFelix de Jet planes how they work 10built a jet planes how they work 10 that flew just a short hop down a hill with the help of a coal fired steam engine. Otto Daimlerin the late 's invented the first gasoline engine. InAmerican Hiram Maxim tried to power his triple biplane with two coal fired steam engines.

It only flew for a few seconds. The early steam engines were powered by heated coal and were generally much too heavy for flight. American Samuel Langley made a model airplanes that were powered by steam engines. Jet planes how they work 10he was successful in flying an unmanned airplane with a steam-powered engine, called the Aerodrome. It flew about 1 mile before it ran out of steam. He then tried to build a full sized plane, the Aerodrome A, with a gas powered engine.

Init crashed immediately after being launched from a house boat. Inthe Wright Brothers flew, The Flyerwith a 12 horse power gas powered engine. Fromthe year of the Wright Brothers first flight, to the late s the gas powered reciprocating internal-combustion engine with a propeller was the sole means used to propel aircraft. It was Frank Whittlejet planes how they work 10 British pilot, who designed and patented the first turbo jet engine in The Whittle engine first flew successfully in May, This engine featured a multistage compressor, and a combustion chamber, a jet planes how they work 10 stage turbine and a nozzle.

At the same time that Whittle was working in England, Hans von Ohain was working on a similar design in Germany. The first airplane to successfully use a gas turbine engine was the German Heinkel Hein August, It was the world's first turbojet powered flight. It was the XPA experimental aircraft that first flew in October, The basic idea of the turbojet engine is simple.

Air taken in from an opening in the front of the engine is compressed to 3 to 12 times its original pressure in compressor. The resulting hot air is passed through a turbine, which drives the compressor. If the turbine and compressor are efficient, the pressure at the turbine discharge will be nearly twice the atmospheric pressure, and this excess pressure is sent to the nozzle to produce a high-velocity stream of gas which produces a thrust.

Substantial increases in thrust can be obtained by employing an afterburner. It is a second combustion chamber positioned after the turbine and before the nozzle. The afterburner increases the temperature of the gas ahead of the nozzle. The result of this increase in temperature is an increase of about 40 percent in thrust at takeoff and a much larger percentage at high speeds once the plane is in the air. The turbojet engine is a reaction engine.

In a reaction engine, expanding gases push hard against the front of the engine. The turbojet sucks in air and compresses or squeezes it.

Dec 18,  · This section covers the workings of military aircraft, including fighter jets and attack helicopters. Learn how these aircraft work and how they Jet Planes How They Work 02 are used in military operations. Apr 14,  · This is a common feature on multi-engine aircraft and is a technique used to restart a failed engine. Air start unit: The so-called "start cart" is a wheeled airport utility that can be carted. Jan 13,  · Updated January 13, Jet engines move the airplane forward with a great force produced by a tremendous thrust, which causes the plane to fly very fast. The technology behind how this works is nothing short of extraordinary. All jet engines, which are also called gas turbines, work on the same principle. The engine sucks air in through the front with a fan.

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