University of North Texas Digital Library (University of North Texas) · 1957 · 13 citations · 0 references
Open access
EngineeringAerospace EngineeringMechanical EngineeringAcousticsAircraft StructuresInternal Combustion EnginesAeroacousticsEngine NoiseNoiseNoise MeasurementEngine Noise AnalysisExhaust NoiseExhaust System AcousticsJet Exhaust AcousticsJet NoiseNear FieldStructural FatigueVelocity
From Summary: "Aircraft structures located in the near noise field of a jet engine are subjected to extremely high fluctuating pressures that may cause structural fatigue. Studies of such structures have been limited by lack of knowledge of the loadings involved. The acoustic near field produced by the exhaust of a stationary turbojet engine having a high pressure ratio was measured for a single operating condition without burning. The maximum overall sound pressure without afterburning was found to be about 42 pounds per square foot along the jet boundary in the region immediately downstream of the jet-nozzle exit."