Experimental and numerical investigation of near-field rotor aeroacoustics

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Date
2018
Authors
Stepanov, R.
Pakhov, V.
Bozhenko, A.
Batrakov, A.
Kusyumov, A.
Mikhailov, S.
Barakos, G.N.
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Abstract
This work presents comparisons between experimental and numerical estimates of near-field rotor aeroacoustics in hover. The experiments took place at the Kazan National Research Technical University named after A. N. Tupolev (Kazan Aviation Institute). A set of rotor blades with NACA-0012 aerofoil sections was used to obtain the sound pressure distribution using a linear array of microphones. It is shown that CFD and experimental results are in good agreement suggesting that the obtained test data can be useful as a validation case for development of CFD tools.
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