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Developing The World's First Jet Engines

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A young German physicist Hans von Ohain worked for Ernst Heinkel specializing in advanced engines to develop the world's first jet plane the experimental Heinkel He 178. It first flew on August 27, 1939. In England Frank Whittle invented a jet engine completely on his own. Building on this advancement, German engine designer Anselm Franz developed an engine suitable for use in a jet fighter. This airplane, the Me 262, was built by Messerschmitt. Though the only jet fighter to fly in combat during World War II the Me 262 spent a significant amount of time on the ground due to its high consumption of fuel. It was often described as a sitting duck for Allied attacks. Meanwhile in England Frank Whittle invented a jet engine completely on his …show more content…
But some of the main ones are the fan, compressor, combustion, turbine, mixer, and nozzle. The fan is the first component in the turbofan. The large spinning fan sucks in large amounts of air. Blades of the fan are made of titanium. It then speeds this air up and splits it into two parts. One part continues through the 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 the engine be quieter as well as adding thrust to the engine. The compressor is the first component in the engines core. The compressor is made up of fans with many blades and attached to the shaft. The compressor squeezes the air that enters it into smaller areas making the air pressure increase. This causes the energy potential to increase. The squashed air is forced into the combustion chamber. In the combustor the air is mixed with fuel and then ignited. There are 20 nozzles to spray fuel into the airstream. The mixture of air and fuel catches fire. This provides a high temperature and 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. The heat can reach 2700 degrees. The high energy airflow coming out of the combustor goes into the turbine causing the turbine blades to spin. The turbines are linked by to a shaft to turn the blades in the compressor and to spin the fan at the front. This rotation takes some energy from the 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 a

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