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Figure 3 from Jet Noise Reduction of Turbofan Engine by Notched Nozzle
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Jet noise mixing regions.
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Figure 3 from jet noise reduction of turbofan engine by notched nozzleModel aircraft: noise suppression engine noise Solved: a jet-engine noise suppressor consists of a movable ducAircraft engine exhaust nozzle system for jet noise reduction.
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Noise generating mechanisms in turbofan engines.
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
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Figure 2 from jet noise reduction of turbofan engine by notched nozzle
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This noise reducing exhaust of an jet engine. design comes from nasa .
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Figure 2 from Jet Noise Reduction of Turbofan Engine by Notched Nozzle
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Figure 13 from Investigation of Jet Noise Reduction in Exhaust Nozzle
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Aircraft Noise and Aeroacoustics Research | Engineering | University of
model aircraft: Noise suppression ENGINE NOISE
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Aircraft Gas Turbine Engine Noise Supression

This noise reducing exhaust of an jet engine. Design comes from NASA