The prediction of propeller noise has become increasingly important as aircraft noise standards continue to require quieter design of turboprop aircraft. However, aeroacoustic simulations have historically used relatively simple flow models to describe the flow field of a propeller as part of an aeroacoustic simulation. In particular, the capability of an unsteady Reynolds-Averaged Navier-Stokes simulation has not been tested. An unsteady Reynolds-Averaged Navier-Stokes simulation, combined with the Ffowcs Williams-Hawkings Solver, is used to simulate the noise generated by a high speed 8-bladed propeller. Simulations were conducted using the STAR CCM+ code, using a verified 7.6 million cell mesh. This resulted in good prediction of propeller harmonics relative to experimental values.
35th AIAA Applied Aerodynamics Conference, 2017
Department of Mechanical and Aerospace Engineering

Hambrey, J.R. (Jason R.), Feszty, D, Meslioui, S.-A. (Sid-Ali), & Park, J. (Jong). (2017). Acoustic prediction of high speed propeller noise using URANS and a ffowcs williams-hawkings solver. In 35th AIAA Applied Aerodynamics Conference, 2017. doi:10.2514/6.2017-3917