Abstract
A qualitative model of the mechanism of intensification of jet noise issuing from a nozzle located near a wing is proposed. A two-dimensional model problem on the diffraction of a plane acoustic wave at the edge of a nozzle nozzle located near a half-plane simulating the wing edge is formulated. It is shown that diffraction on the wing edge of Kelvin-Helmholtz instability waves developing from the edge of the nozzle can lead to the significant intensification of the acoustic energy radiated into the far field.
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Original Russian Text © O.P. Bychkov, G.A. Faranosov, 2014, published in Akusticheskii Zhurnal, 2014, Vol. 60, No. 6, pp. 596–610.
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Bychkov, O.P., Faranosov, G.A. On the possible mechanism of the jet noise intensification near a wing. Acoust. Phys. 60, 633–646 (2014). https://doi.org/10.1134/S1063771014060050
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DOI: https://doi.org/10.1134/S1063771014060050