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Simon, Frank and Haase, Thomas and Unruh, Oliver and Ghiringhelli, Gian Luca and Parrinello, A. and Vescovini, R. (2016) BENCHMARK FOR MODELIZATION OF ACOUSTIC TRANSMISSION LOSS APPLIED TO HELICOPTER TRIM PANELS. In: Conference Proceedings of the European Rotorcraft Forum 2016. European Rotorcraft Forum (ERF), 2016-09-05 - 2016-09-08, Lille, Frankreich.
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Official URL: http://www.erf2016.com/
Abstract
This paper describes the physical, mathematical and numerical approaches applied by laboratories of "Helicopter Garteur Action Group AG20" to vibro-acoustic behavior of helicopter trim-panels. The aim of this numerical activity is to conduct a benchmark study involving different models in order to estimate their framework for using for realistic trim panels. The calculated quantity is the acoustic transmission loss allowing to determine the efficiency of panels to reduce an incident noise. It represents the ratio between incident acoustic power, generally produced by a diffuse acoustic �eld, and the acoustic power radiated by the panel.
| Item URL in elib: | https://elib.dlr.de/106015/ | ||||||||||||||||||||||||||||
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| Document Type: | Conference or Workshop Item (Speech) | ||||||||||||||||||||||||||||
| Title: | BENCHMARK FOR MODELIZATION OF ACOUSTIC TRANSMISSION LOSS APPLIED TO HELICOPTER TRIM PANELS | ||||||||||||||||||||||||||||
| Authors: |
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| Date: | 5 September 2016 | ||||||||||||||||||||||||||||
| Journal or Publication Title: | Conference Proceedings of the European Rotorcraft Forum 2016 | ||||||||||||||||||||||||||||
| Refereed publication: | No | ||||||||||||||||||||||||||||
| Open Access: | Yes | ||||||||||||||||||||||||||||
| Gold Open Access: | No | ||||||||||||||||||||||||||||
| In SCOPUS: | No | ||||||||||||||||||||||||||||
| In ISI Web of Science: | No | ||||||||||||||||||||||||||||
| Status: | Published | ||||||||||||||||||||||||||||
| Keywords: | Transmission loss, numerical Simulation, helicopter, trim panels | ||||||||||||||||||||||||||||
| Event Title: | European Rotorcraft Forum (ERF) | ||||||||||||||||||||||||||||
| Event Location: | Lille, Frankreich | ||||||||||||||||||||||||||||
| Event Type: | international Conference | ||||||||||||||||||||||||||||
| Event Start Date: | 5 September 2016 | ||||||||||||||||||||||||||||
| Event End Date: | 8 September 2016 | ||||||||||||||||||||||||||||
| Organizer: | 3AF | ||||||||||||||||||||||||||||
| HGF - Research field: | Aeronautics, Space and Transport | ||||||||||||||||||||||||||||
| HGF - Program: | Aeronautics | ||||||||||||||||||||||||||||
| HGF - Program Themes: | fixed-wing aircraft | ||||||||||||||||||||||||||||
| DLR - Research area: | Aeronautics | ||||||||||||||||||||||||||||
| DLR - Program: | L AR - Aircraft Research | ||||||||||||||||||||||||||||
| DLR - Research theme (Project): | L - Systems and Cabin (old) | ||||||||||||||||||||||||||||
| Location: | Braunschweig | ||||||||||||||||||||||||||||
| Institutes and Institutions: | Institute of Composite Structures and Adaptive Systems > Adaptronics | ||||||||||||||||||||||||||||
| Deposited By: | Haase, Thomas | ||||||||||||||||||||||||||||
| Deposited On: | 12 Sep 2016 07:22 | ||||||||||||||||||||||||||||
| Last Modified: | 24 Apr 2024 20:11 |
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