Theoretical modeling of the excess noise due to jet-wing interaction

Denisov, S. L.; Faranosov, G. A.; Ostrikov, N. N.; Bychkov, O. P.

doi:10.2514/6.2016-2932

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Jet-flap Interactions1

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2020

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“…The interaction of the exhaust jet and flaps can generate new noise sources, which is mainly known as jet-flap interaction noise. The principal mechanism is believed to be the impact of the downwash of the wing-flap on the jet flow [8][9][10]. Figure 3 illustrates interaction between the jet and wing in the conventional under-the-wing configuration.…”

Section: Jet-flap Interactionsmentioning

confidence: 99%

Jet Noise in Airframe Integration and Shielding

Salehian

Mankbadi

2020

Applied Sciences

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This paper reviews and presents new results on the effect of airframe integration and shielding on jet noise. Available experimental data on integration effects are analyzed. The available options for the computation of jet noise are discussed, and a practical numerical approach for the present topic is recommended. Here, it is demonstrated how a hybrid large eddy simulation—unsteady Reynolds-averaged Navier-Stokes approach can be implemented to simulate the effect of shielding on radiated jet noise. This approach provides results consistent with the experiment and suggests a framework for studying more complex geometries involving airframe integration effects.

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Section: Jet-flap Interactionsmentioning

confidence: 99%