Abstract
In the present work, Large Eddy Simulation (LES) of turbulent flows over a NACA 0015 airfoil is
performed. The purpose of such numerical study is to relate the aerodynamic surface pressure
with the noise generation. The results from LES are validated against detailed surface pressure
measurements where the time history pressure data are recorded by the surface pressure microphones.
After the flow-field is stabilized, the generated noise from the airfoil Trailing Edge (TE) is
predicted using the acoustic analogy solver, where the results from LES are the input. It is found
that there is a strong relation between TE noise and the aerodynamic pressure. The results of
power spectrum density show that the fluctuation of aerodynamic pressure is responsible for
noise generation.
Original language | English |
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Journal | Journal of Power and Energy Engineering |
Volume | 3 |
Pages (from-to) | 14-19 |
ISSN | 2327-588X |
DOIs | |
Publication status | Published - 2015 |
Keywords
- Large Eddy Simulation
- Trailing Edge Noise
- Surface Pressure