- On a turbofan, a design that allows the primary and secondary air streams to mix prior to leaving the engine.
Aviation dictionary. 2014.
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Turbofan — [ CFM56 3 turbofan, lower half, side view.] A turbofan is a type of jet engine, similar to a turbojet. It essentially consists of a ducted fan with a smaller diameter turbojet engine mounted behind it that powers the fan. Part of the airstream… … Wikipedia
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