Thrust Augmentation System with Oscillating Jet Nozzles.
DEPARTMENT OF THE AIR FORCE WASHINGTON D C
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The patent relates to a thrust augmentation system having a thrust augmentation duct with an inlet section, a mixing section and a diffuser section. A plurality of primary gas jets is directed into the thrust augmentation duct, from a plurality of nozzles, to entrain secondary air to increase the thrust from said duct. A pair of control ports is provided on the sides of the gas jet in each of the nozzles. A feedback loop is connected between each pair of control ports.
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