Aircraft propulsion systems

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Referat, Hausaufgabe, Aircraft propulsion systems
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Referat
Aircraft propulsion systems This report treats the aircraft propulsion systems. It`s structured into four parts. 1st part: the turbojet engine 2nd part: the turbofan engine 3rd part: the turboprop engine 4th part: the ramjet engine 1st part: the turbojet engine: The first turbojet engine was flown in Germany in 1939. It was tested on a Heinkel He 178. The engines which now are in use, are in a great deal more complicated and are producing more thrust. A cutaway view of a three shaft turbojet engine with afterburner, as used at the supersonic fighter PANAVIA TORNADO, the Turbo Union RB 199-34R is shown here. The technical data from the RB199-34R are: max. thrust with afterburner........71 kN pressure-difference.....................23 rotation speed..............................12´000 14´000 rpm weight.............................................1000 kg 70 kg air per second are going the following way through the engine: At first the air is sucked through low-press-compressor. In this case it has three stages. (A stage consists of a single row of rotating and fixed compressor blades.) The LP-compressor is working with low rotation speed. Then the air is passing the three stage MP-compressor. After it the air has only 87 of its intake volume. While the air is going through the HP-compressor with six stages, it`s compressed to 77 of its original volume. After the HP-compressor the air is passing the fuel injector and the flame holder where the mixture explodes. The last part of ...

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Kategorie:
Englisch
Anzahl Wörter:
709
Art:
Referat
Sprache:
Englisch
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