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Bake, Friedrich (2019) Experimental techniques for duct acoustics. LAUM Mat&Flow Winter School 2019, 2019-12-02 - 2019-12-04, Le Mans, France.
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Official URL: https://matflow2019.sciencesconf.org/
Abstract
Overview: • Duct acoustics in general: o Acoustic wave equation o Three-dimensional waves o Plane waves o Attenuation of sound in ducts • Experimental methods and analysis: o Plane wave decomposition o Reflection and transmission coefficients o Dissipation coefficient o DUct Acoustics Testrig (DUCT) Circular (DUCT-C) Rectangular (DUCT-R) o Hot Acoustic Testrig (HAT) • Liner types: o SDOF liner (Helmholtzresonator, Lambda/4) o DDOF o Bias Flow Liner o Novel liner concepts: Zero-Massflow-Liner (ZML) Flexible Structure liner (FlexiS)
| Item URL in elib: | https://elib.dlr.de/132888/ | ||||||||
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| Document Type: | Conference or Workshop Item (Lecture) | ||||||||
| Title: | Experimental techniques for duct acoustics | ||||||||
| Authors: |
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| Date: | 3 December 2019 | ||||||||
| Refereed publication: | No | ||||||||
| Open Access: | No | ||||||||
| Gold Open Access: | No | ||||||||
| In SCOPUS: | No | ||||||||
| In ISI Web of Science: | No | ||||||||
| Status: | Published | ||||||||
| Keywords: | Duct Acoustics, Liner, Experimental Methods, Damping | ||||||||
| Event Title: | LAUM Mat&Flow Winter School 2019 | ||||||||
| Event Location: | Le Mans, France | ||||||||
| Event Type: | Workshop | ||||||||
| Event Start Date: | 2 December 2019 | ||||||||
| Event End Date: | 4 December 2019 | ||||||||
| Organizer: | LAUM, University of Le Mans, UMR CNRS | ||||||||
| HGF - Research field: | Aeronautics, Space and Transport | ||||||||
| HGF - Program: | Aeronautics | ||||||||
| HGF - Program Themes: | propulsion systems | ||||||||
| DLR - Research area: | Aeronautics | ||||||||
| DLR - Program: | L ER - Engine Research | ||||||||
| DLR - Research theme (Project): | L - Turbine Technologies (old) | ||||||||
| Location: | Berlin-Charlottenburg | ||||||||
| Institutes and Institutions: | Institute of Propulsion Technology > Engine Acoustic | ||||||||
| Deposited By: | Bake, Dr.-Ing. Friedrich | ||||||||
| Deposited On: | 07 Jan 2020 09:38 | ||||||||
| Last Modified: | 24 Apr 2024 20:36 |
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