Within this project different modifications of the turbine exit casing will be applied in order to reduce noise level and their effectiveness is evaluated. Some of these modifications (e.g. absorber-blades) are altering surface roughness, thus affecting boundary layer development. Therefore, the project is considering blade excitation of the upstream rotor (due to altered potential effects) as well a change in aerodynamically losses. Most important outcomes of the project are suggestions and recommendations how to reduce noise level of aero engines considering aeroelasticity in order to perform a holistic optimisaton.
|Effective start/end date||1/07/15 → 30/06/18|
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