Abstract
The paper presents the main results of the experimental study of acoustic characteristics of the propfan engine with a high-loaded contra-rotating open rotor. The measurements are made during the engine operation under static conditions. The power, directivity, and spectral characteristics of the power plant acoustic field are obtained.
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Russian Text © The Author(s), 2020, published in Izvestiya Vysshikh Uchebnykh Zavedenii, Aviatsionnaya Tekhnika, 2020, No. 1, pp. 117–120.
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Samokhin, V.F., Moshkov, P.A. Study of the Contra-Rotating Open Rotor Noise under Static Conditions. Russ. Aeronaut. 63, 126–130 (2020). https://doi.org/10.3103/S1068799820010183
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DOI: https://doi.org/10.3103/S1068799820010183