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Gas turbine extracts energy from a flow of gas, typically air. The intake air is heated by burning after being mixed with some fuel source, then directed out an expanding nozzle, flowing past the turbine on the way. Jet engines are common type of gas turbine often use the power extracted from the tu rbine to drive the compressor and fuel systems. They running directly on compressed fuel are used throughout the power generation industry. Small gas turbines are widely used for the propulsion of radio-controlled flying aircraft, experimental aircraft development, and in the military target and surveillance drone field. They are widely used in the electric power industry because gas turbines require relatively little capital investment and can be purchased to generate small amounts of power. They can be used in ships and railway locomotives. A wide range of gas turbines is manufactured by host of manufacturers.
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