NASA Technical Reports Server (NASA) · 1969 · 28 citations · 0 references
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Natural SciencesMechanical EngineeringPhysicsAcoustic DesignAcousticsAcoustic ModelingAeroacousticsDuct DesignNoiseNoise PredictionPhysical AcousticsAcoustic Duct DesignDuct AcousticsDuct Performance ModelingExperimental StudiesNoise AttenuationSound Transmission Through DuctsTurbofan Propulsion
Analytical and experimental studies for predicting noise attenuation in acoustically treated ducts for turbofan engines