This section contains 6,167 words (approx. 21 pages at 300 words per page) |
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The aircraft gas turbine engine, developed more than sixty years ago, uses the principle of jet reaction and the turbine engine. The engine consists of three major elements: a compressor and a turbine expander, which are connected by a common shaft; and a combustor, located between the compressor and the turbine expander. The useful work of the engine is the difference between that produced by the turbine and that required by the compressor. For the simple cycle system shown in Figure 1, about twothirds of all the power produced by the turbine is used to drive the compressor.
Jet reaction used in the first steam-powered engine, the aeolipile, is attributed to Hero of Alexandria around the time of Christ. In his concept, a closed spherical vessel, mounted on bearings, carried steam from a cauldron with one or more people discharging tangentially at the vessel's periphery, and was...
This section contains 6,167 words (approx. 21 pages at 300 words per page) |
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