Aerofoil noise
- Started
- 15th April 2008
- Ended
- 14th April 2010
- Investigators
- Richard Sandberg
Aerofoil self-noise visualised using dilatation rate. Flow visualised using iso-surfaces of spanwise vorticity component.
Aerofoil self noise, i.e. the noise generated by the interaction of an aerofoil with its boundary layers and wake, is one of the dominant noise sources in many applications, such as fan blades in aero-engines, flaps on airframes, or wind turbines. Typically, only trailing-edge noise is considered. In the current project, direct numerical simulations are conducted of flow over aerofoils in order to investigate the mechanisms of noise generation and potentially identify sources of aerofoil noise other than trailing-edge noise. Also, noise reduction measures such as trailing-edge serrations are investigated to see their effect on both the acoustic and hydrodynamic field.
Categories
Physical Systems and Engineering simulation: Acoustics, CFD
Algorithms and computational methods: Finite differences
Visualisation and data handling software: TecPlot
Programming languages and libraries: Fortran, MPI
Computational platforms: HECToR, HPCx, Iridis
Transdisciplinary tags: HPC, Scientific Computing