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Project UNLIMITED - Applied Liner Research in Germany
Busse-Gerstengarbe, St. and Abdel Hay, J. and Enghardt, L. and Bake, F. and Richter, Chr. and Thiele, F. and Blohm, L. and Müller, U. (2011) Project UNLIMITED - Applied Liner Research in Germany. 15th CEAS-ASC Workshop and 1st Scientific Workshop of X-Noise EV (Acoustic Liners and Associated Propagation Techniques), 13.10. - 14.10.2011, Lausanne, Schweiz.
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Official URL: http://x3Noise.epfl.ch/events/2011/2011_XNoise_Workshop/
Abstract
In the field of noise reduction of aero-engines passive acoustic silencers, so-called liners still seem to have some potential for improvement. UNLIMITED is a transfer project funded by the German Research Foundation (DFG) and deals with UNiversal Liner Impedance Modelling based on Improved Tests and EDuction methods. Partners from university (TU Berlin) and German Aerospace Center (DLR) work together with the liner manufacturer PFW Aerospace AG to combine knowledge in experimental testing, CAA techniques and production know-how. The special production process of the investigated liners results in non-locally reacting behaviour which is one of the main issues of the project. Possibly, this behaviour could be used to improve the damping characteristics of liners. Besides, the research is used to gain a better understanding of non-linear effects and influences due to higher order mode excitation on liners under grazing flow conditions.
| Document Type: | Conference or Workshop Item (Speech) | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Title: | Project UNLIMITED - Applied Liner Research in Germany | ||||||||||||||||||
| Authors: |
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| Date: | 2011 | ||||||||||||||||||
| Refereed publication: | No | ||||||||||||||||||
| In Open Access: | Yes | ||||||||||||||||||
| In SCOPUS: | No | ||||||||||||||||||
| In ISI Web of Science: | No | ||||||||||||||||||
| Status: | Published | ||||||||||||||||||
| Keywords: | Liner, impedance, non-locally reacting, national project | ||||||||||||||||||
| Event Title: | 15th CEAS-ASC Workshop and 1st Scientific Workshop of X-Noise EV (Acoustic Liners and Associated Propagation Techniques) | ||||||||||||||||||
| Event Location: | Lausanne, Schweiz | ||||||||||||||||||
| Event Type: | international Conference | ||||||||||||||||||
| Event Dates: | 13.10. - 14.10.2011 | ||||||||||||||||||
| Organizer: | CEAS-ASC, X-Noise | ||||||||||||||||||
| HGF - Research field: | Energy, Aeronautics, Space and Transport | ||||||||||||||||||
| HGF - Program: | Efficient Energy Conversion, Aeronautics | ||||||||||||||||||
| HGF - Program Themes: | E VG - Combustion and Gas Turbine Technologies, L ER - Engine Research | ||||||||||||||||||
| DLR - Research area: | Energy, Aeronautics | ||||||||||||||||||
| DLR - Program: | E VG - Combustion and Gas Turbine Technologies, L ER - Engine Research | ||||||||||||||||||
| DLR - Research theme (Project): | E - Gasturbine (old), L - Combustion Chamber Technologies | ||||||||||||||||||
| Location: | Berlin-Adlershof | ||||||||||||||||||
| Institutes and Institutions: | Institute of Propulsion Technology > Engine Acoustic | ||||||||||||||||||
| Deposited By: | Balbir Kaur | ||||||||||||||||||
| Deposited On: | 09 Feb 2012 15:03 | ||||||||||||||||||
| Last Modified: | 09 Feb 2012 15:03 |
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