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Hilfer, Michael and Ahlefeldt, Thomas and Gößling, Jan (2019) High speed pressure-sensitive paint for acoustic applications. In: 7th Japanese-German Joint Seminar – Molecular Imaging Technology for Interdisciplinary Research – (KL-2), pp. 1-2. 7th Japanese-German Joint Seminar – Molecular Imaging Technology for Interdisciplinary Research –, 2019-09-17 - 2019-09-19, Hokkaido University, Sapporo, Hokkaido 060-8628, Japan.
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Official URL: https://www.eng.hokudai.ac.jp/labo/amc/en/JG/program.html
Abstract
In order to comply with tightening environmental regulation, the noise levels from turbine engines have to be greatly reduced in future engine designs. To investigate broad band and tonal noise, two facilities were constructed to investigate the capabilities of the measurement system as well as to perform first measurement in an actual aeroacoustics turbomachinery wind tunnel at University of Hannover. Four post processing techniques such as phase averaging, pixel wise FFT, POD and DMD were investigated and the PSP results compared to complimentary microphone measurements. This keynote presents recent results in aeroacoustics applications in cooperation between DLR and University of Hannover
| Item URL in elib: | https://elib.dlr.de/130737/ | ||||||||||||||||
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| Document Type: | Conference or Workshop Item (Speech) | ||||||||||||||||
| Title: | High speed pressure-sensitive paint for acoustic applications | ||||||||||||||||
| Authors: |
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| Date: | 18 September 2019 | ||||||||||||||||
| Journal or Publication Title: | 7th Japanese-German Joint Seminar – Molecular Imaging Technology for Interdisciplinary Research – | ||||||||||||||||
| Refereed publication: | Yes | ||||||||||||||||
| Open Access: | No | ||||||||||||||||
| Gold Open Access: | No | ||||||||||||||||
| In SCOPUS: | No | ||||||||||||||||
| In ISI Web of Science: | No | ||||||||||||||||
| Page Range: | pp. 1-2 | ||||||||||||||||
| Status: | Published | ||||||||||||||||
| Keywords: | PSP, acoustic, DMD, POD, FFT, iPSP, SPL | ||||||||||||||||
| Event Title: | 7th Japanese-German Joint Seminar – Molecular Imaging Technology for Interdisciplinary Research – | ||||||||||||||||
| Event Location: | Hokkaido University, Sapporo, Hokkaido 060-8628, Japan | ||||||||||||||||
| Event Type: | international Conference | ||||||||||||||||
| Event Start Date: | 17 September 2019 | ||||||||||||||||
| Event End Date: | 19 September 2019 | ||||||||||||||||
| Organizer: | Hokkaido University, Sapporo, Japan | ||||||||||||||||
| Institution: | Deutsches Zentrum für Luft- und Raumfahrt e.V. | ||||||||||||||||
| Department: | AS-EXV | ||||||||||||||||
| 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 - Simulation and Validation (old) | ||||||||||||||||
| Location: | Göttingen | ||||||||||||||||
| Institutes and Institutions: | Institute for Aerodynamics and Flow Technology > Experimental Methods, GO | ||||||||||||||||
| Deposited By: | Micknaus, Ilka | ||||||||||||||||
| Deposited On: | 21 Nov 2019 16:05 | ||||||||||||||||
| Last Modified: | 24 Apr 2024 20:34 |
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