Acoustic tones generated by impinging jets: Differences between laminar and highly-disturbed nozzle-exit boundary layers
Mathieu Varé,
Christophe Bogey
Abstract:The differences between the acoustic tones generated by impinging jets with laminar and highly-disturbed nozzle-exit boundary layers are investigated. For that, jets at Mach numbers between 0.6 and 1.3 impinging on a flat plate at a distance of 8 nozzle radii from the nozzle exit are computed using large-eddy simulations. The amplitudes of the tones generated by the jets through feedback loops establishing between the nozzle and the plate are found to be significantly affected by the exit turbulent disturbance… Show more
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