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6th Aeroacoustics Conference and Exhibit
A physics-based methodology is described to predict jetmixing noise due to small-scale turbulence. Both self-and shear-noise source terms of Lilley's equation are modeled and the far-field aerodynamic noise is expressed as an integral over the jet volume of the source multiplied by an appropriate Green's function which accounts for source convection and mean-flow refraction. Our primary interest here is to include transverse gradients of the mean density in the source modeling. It is showndoi:10.2514/6.2000-2059 fatcat:mrskt7e2krhk5cp3ooljzebhv4