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Reference Number EP/V038273/1
Title SURFACE TREATMENTS FOR NEXT GENERATION OF QUIET AEROFOILS
Status Started
Energy Categories RENEWABLE ENERGY SOURCES(Wind Energy) 50%;
NOT ENERGY RELATED 50%;
Research Types Basic and strategic applied research 100%
Science and Technology Fields PHYSICAL SCIENCES AND MATHEMATICS (Computer Science and Informatics) 10%;
ENGINEERING AND TECHNOLOGY (Mechanical, Aeronautical and Manufacturing Engineering) 90%;
UKERC Cross Cutting Characterisation Not Cross-cutting 100%
Principal Investigator Professor P Joseph
No email address given
School of Engineering Sciences
University of Southampton
Award Type Standard
Funding Source EPSRC
Start Date 01 October 2021
End Date 30 September 2024
Duration 36 months
Total Grant Value £494,247
Industrial Sectors Aerospace; Defence and Marine
Region South East
Programme NC : Engineering
 
Investigators Principal Investigator Professor P Joseph , School of Engineering Sciences, University of Southampton (99.999%)
  Other Investigator Dr CC Paruchuri , Sch of Engineering, University of Southampton (0.001%)
  Industrial Collaborator Project Contact , EDF Energy (0.000%)
Project Contact , Altair Engineering Ltd (0.000%)
Project Contact , Dyson Appliances Ltd (0.000%)
Project Contact , Science and Technology Facilities Council (0.000%)
Project Contact , Siemens Gamesa (0.000%)
Web Site
Objectives
Abstract A major advance in the reduction of aerofoil trailing edge self-noise has recently been made by the team at Virginia Tech led by Professors William Devenport and Stewart Glegg, collaborators in this project. They demonstrated that introducing 'canopies' into the turbulent boundary layer, which may be constructed from fabric, wires, or rods, produced significant reductions in the surface pressure spectrum near the trailing edge, and hence similar reductions in the far field noise. These treatments were chosen to reproduce the downy canopy that covers the surface of exposed flight feathers of many owl species. Aerofoil self-noise is often the dominant noise source emitted from lifting surfaces, such as aerofoils and turbine blades, and is a major issue in a number of strategically important sectors in the UK, including environment, energy and transport. This work is in its early stages and the precise control mechanisms are poorly understood. This 36-month project is concerned with establishing the fundamental physical control mechanisms of surface treatments with the objective of developing effective treatments on aerofoil geometries at realistic Reynolds numbers and Angle of attack (AoA) that do not significantly degrade aerodynamic performance. The project is a combination of advanced and detailed experimentation together with the application of recent advances in high-resolution computational methods and high-performance computing. At the heart of this project is the use of a new turbulent off-wall boundary condition to allow accurate modelling of the interaction between the boundary layer and canopy surfaces
Publications (none)
Final Report (none)
Added to Database 26/11/21