Pinkel, Benjamin Consulting Engineering, Santa Monica, California.
Last reviewed:November 2019
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A device in a turbojet aircraft engine, between turbine and nozzle, which improves thrust by the burning of additional fuel (Fig. 1). To develop additional thrust for takeoff and climb and for periods of dash of military aircraft, it is advantageous to augment the engine thrust. This is done by afterburning, also called reheating, tail-pipe burning, or postcombustion. Figure 2 shows the effect on exhaust-nozzle gas pressure and temperatures. The augmentation of thrust obtained by afterburning may be well over 40% of the normal thrust and at supersonic flight can exceed 100% of normal thrust.
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