An extra turbine is added to drive a propeller ( turboprop) or ducted fan ( turbofan) to reduce fuel consumption (by increasing propulsive efficiency) at subsonic flight speeds. A propelling nozzle is added to produce thrust for flight. Common to all is an air inlet but with different configurations to suit the requirements of marine use, land use or flight at speeds varying from stationary to supersonic. The main parts common to all gas turbine engines form the power-producing part (known as the gas generator or core) and are, in the direction of flow:Īdditional components have to be added to the gas generator to suit its application. Type of internal and continuous combustion engineĮxamples of gas turbine configurations: (1) turbojet, (2) turboprop, (3) turboshaft (shown as electric generator), (4) high-bypass turbofan, (5) low-bypass afterburning turbofanĪ gas turbine, also called a combustion turbine, is a type of continuous flow internal combustion engine.
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