Computational Modeling of Propeller Noise: NASA SR-7A propeller

NASA;SR-7A;Aeroacoustics;Sound Pressure Level;Aerodynamics;Tandem cylinder;Detached Eddy Simulation;Turbulence modeling;Fluid mechanics;k-omega SST;Unsteady Pressure coefficient;Sound directivity;Mechanical Engineering

Moussa, Karim

University of Waterloo

关键词: NASA;    SR-7A;    Aeroacoustics;    Sound Pressure Level;    Aerodynamics;    Tandem cylinder;    Detached Eddy Simulation;    Turbulence modeling;    Fluid mechanics;    k-omega SST;    Unsteady Pressure coefficient;    Sound directivity;    Mechanical Engineering;   

Others  :  https://uwspace.uwaterloo.ca/bitstream/10012/8446/3/Moussa_Karim.pdf

瑞士|英语

来源: UWSPACE Waterloo Institutional Repository

【 摘 要 】

The aerospace industry has been concerned with propeller noise levels for years. This interest is two-fold: government regulation and comfort in cabin. This report attempts to create a simulation mechanism needed to evaluate the far-field noise generation levels. However, in order to do that, the tandem cylinder case was evaluated first as a validation step before the SR-7A propeller case was performed. Both cases use STAR-CCM+, a commercial software, to perform the simulations.