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Gas Turbine Engines Gas turbine engines date back to the early 1940s Sir Frank Wittle a British aeronautical engineer and aviator invented the turbojet engine The World Almanac Educational Group 2002 p 1 Gas turbine engines took off and have been soaring ever since They offer an unmatched power to weight ratio which make them ideal for many applications This essay will describe the process of a gas turbine engine as well as explain some new advances and futuristic technologies associated with GTEs by answering the following questions 1 What exactly is a gas turbine engine 2How is a gas turbine engine different from a reciprocating engine 3What are some new advances with gas turbine engines 4What is the future for gas turbine engines What exactly is a gas turbine engine Turbine engines are used in aircraft and on boats Some smaller gas turbine engines are even used to produce electrical power drive pumps and generate steam Turbine engines are relatively simple at least insofar as their parts count is concerned And they are also tough and reliable so they rarely fail in any circumstances Aarons 2001 p 52 In the Dictionary of Aeronautical Terms Dale Crane defines a gas turbine engine as An internal combustion engine that burns its fuel in a constant-pressure cycle Air is taken into a gas turbine engine and compressed by either an axial flow or centrifugal compressor The compressed air then passes into the combustion chambers where fuel is sprayed into a continuously burning fire The burning fuel heats and expands the air The hot air passes through a turbine which extracts some of the energy and uses it to turn the compressor p 267 As confusing as this process sounds there are far fewer moving parts than any other type of combusting engine Fewer moving parts lead to fewer malfunctions which in turn also saves money and lives How is a gas turbine engine different from a reciprocating
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