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Heider, A. and Christou, K. (2004) Optical noise source detection in a turbulent jet flow using Multiplane Stereo PIV. DLR/ONERA - Annex II Meeting, DLR, Köln; 6.-7.04.2004.
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Abstract
Aeroacoustic problems will become more important in the future e.g. cars, buildings and of course jet engine flows at aircrafts. According to the acoustic analogy of Lighthill the flow of a turbulent free jet is replaced by classical acoustic multipols. Therefore the aerodynamical noise problem can be reduced to the solution of the classical wave equation with sources. By means of space-time-correlations it is possible to obtain the Lighthill tensor, which contains the information about the sound caused by fluctuations of velocity components.
| Item URL in elib: | https://elib.dlr.de/12794/ | |||||||||
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| Document Type: | Conference or Workshop Item (Speech) | |||||||||
| Additional Information: | LIDO-Berichtsjahr=2004, | |||||||||
| Title: | Optical noise source detection in a turbulent jet flow using Multiplane Stereo PIV | |||||||||
| Authors: |
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| Date: | 2004 | |||||||||
| Open Access: | No | |||||||||
| Gold Open Access: | No | |||||||||
| In SCOPUS: | No | |||||||||
| In ISI Web of Science: | No | |||||||||
| Page Range: | 1- | |||||||||
| Status: | Published | |||||||||
| Keywords: | Aeroacoustic, free jet, Lighthill, space-time-correlation | |||||||||
| Event Title: | DLR/ONERA - Annex II Meeting, DLR, Köln; 6.-7.04.2004 | |||||||||
| Organizer: | DLR/ONERA | |||||||||
| HGF - Research field: | Aeronautics, Space and Transport (old) | |||||||||
| HGF - Program: | Aeronautics | |||||||||
| HGF - Program Themes: | Aircraft Research (old) | |||||||||
| DLR - Research area: | Aeronautics | |||||||||
| DLR - Program: | L AR - Aircraft Research | |||||||||
| DLR - Research theme (Project): | L - Flight Physics (old) | |||||||||
| Location: | Köln-Porz , Braunschweig , Göttingen | |||||||||
| Institutes and Institutions: | Institute of Aerodynamics and Flow Technology | |||||||||
| Deposited By: | Micknaus, Ilka | |||||||||
| Deposited On: | 31 Jan 2006 | |||||||||
| Last Modified: | 14 Jan 2010 19:30 |
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