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Estorf, Malte and Radespiel, Rolf and Schneider, Steven P. and Johnson, Heath B. and Hein, Stefan (2007) Surface-pressure measurements of second-mode instability in quiet hypersonic flow. 46th AIAA Aerospace Sciences Meeting and Exhibit, 2008-01-07 - 2008-01-10, Reno, NV (USA).
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Abstract
Surface pressure-sensors have been used to measure the second-mode boundary layer instability on a 7<sup>o</sup> half-angle sharp cone at zero angle of attack in the quiet Mach-6 wind tunnel at Purdue and in the conventional Mach-6 wind tunnel in Braunschweig. The measurements were made using a stream-wise array of high-frequency sensors. They show the second-mode waves in quiet and noisy flow. The quiet flow data is compared to results in noisy flow. The signal quality allows for the calculation of amplification rates, which are compared to the results of linear stability computations.
| Item URL in elib: | https://elib.dlr.de/52295/ | ||||||||||||||||||||||||
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| Document Type: | Conference or Workshop Item (Speech, Paper) | ||||||||||||||||||||||||
| Title: | Surface-pressure measurements of second-mode instability in quiet hypersonic flow | ||||||||||||||||||||||||
| Authors: |
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| Date: | December 2007 | ||||||||||||||||||||||||
| Refereed publication: | No | ||||||||||||||||||||||||
| Open Access: | No | ||||||||||||||||||||||||
| Gold Open Access: | No | ||||||||||||||||||||||||
| In SCOPUS: | No | ||||||||||||||||||||||||
| In ISI Web of Science: | No | ||||||||||||||||||||||||
| Series Name: | AIAA Paper 2008-1153 | ||||||||||||||||||||||||
| Status: | Published | ||||||||||||||||||||||||
| Keywords: | laminar-turbulent transition, hypersonic boundary layer, second mode instability, surface pressure measurements | ||||||||||||||||||||||||
| Event Title: | 46th AIAA Aerospace Sciences Meeting and Exhibit | ||||||||||||||||||||||||
| Event Location: | Reno, NV (USA) | ||||||||||||||||||||||||
| Event Type: | international Conference | ||||||||||||||||||||||||
| Event Start Date: | 7 January 2008 | ||||||||||||||||||||||||
| Event End Date: | 10 January 2008 | ||||||||||||||||||||||||
| Organizer: | AIAA | ||||||||||||||||||||||||
| HGF - Research field: | Aeronautics, Space and Transport | ||||||||||||||||||||||||
| 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: | Göttingen | ||||||||||||||||||||||||
| Institutes and Institutions: | Institute of Aerodynamics and Flow Technology > Helicopters | ||||||||||||||||||||||||
| Deposited By: | Hein, Dr.-Ing. Stefan | ||||||||||||||||||||||||
| Deposited On: | 28 Jan 2008 | ||||||||||||||||||||||||
| Last Modified: | 24 Apr 2024 19:15 |
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