Presents a low-frequency asymptotic model for jet noise using acoustic analogy, with numerical predictions showing reasonable accuracy at Ma=0.9 up to St=0.6 and at Ma=0.5 with adjusted coefficients.
1975.Perturbation Methods in Fluid Mechanics
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Modeling and prediction of the peak radiated sound in sub-sonic axisymmetric air jets using acoustic analogy based asymptotic analysis
Presents a low-frequency asymptotic model for jet noise using acoustic analogy, with numerical predictions showing reasonable accuracy at Ma=0.9 up to St=0.6 and at Ma=0.5 with adjusted coefficients.