Simulation of Isolated Propeller Noise Using Acoustic-Vortex Method

Mikhail A. Pogosyan; Sergey F. Timushev; Petr A. Moshkov; Alexey A. Yakovlev

doi:10.14529/jsfi230102

Authors

Mikhail A. Pogosyan Moscow Aviation Institute (National Research University), Moscow, Russia
Sergey F. Timushev Moscow Aviation Institute (National Research University), Moscow, Russia https://orcid.org/0000-0003-1708-8187
Petr A. Moshkov Moscow Aviation Institute (National Research University), Moscow, Russia https://orcid.org/0000-0003-4534-1418
Alexey A. Yakovlev Moscow Aviation Institute (National Research University), Moscow, Russia https://orcid.org/0000-0002-8533-4549

DOI:

https://doi.org/10.14529/jsfi230102

Keywords:

propeller noise, aeroacoustics, numerical simulation

Abstract

The widespread development of unmanned aerial vehicles and light propeller-driven aircraft poses the task of reducing the community noise of such vehicles. To solve this problem, tools are needed to calculate the noise of such devices. The paper presents the results of the numerical simulation of the noise of an AV-2 propeller mounted on an AN-2 light propeller-driven aircraft. The authors use the acoustic-vortex method to solve the problem of aeroacoustic modeling of propeller noise in the presence of an incoming flow. The paper shows a good agreement of computed data with the in-flight experiment results and the calculation by the semi-empirical method. For the flight mode with an airspeed of 180 km/h, the deviation of the numerical simulation results from the experimental data does not exceed 2 dB.

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