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Schroeder, W. (1995) Stability analysis on S1Ma wind tunnel experiments with suction. Project Report, DLR-Interner Bericht. 129-95/27. DLR. 55 S.
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Abstract
The N-factor method has been used to analyse 10 run points of previous S1Ma wind tunnel experiments with a HLF half wing model according to the incompressible stability theory without surface curvature terms. In the experiments suction up to 0.25 m/s had been applied individually to totally 15 chambers within the first 12.5% of chord on upper as well lower wing surface. According to DLR's practice to correlate the instability behaviour of traveling waves (Tollmien-Schlichting) and standing waves (Cross Flow) DLR was involved in the strategy methods 2: The fixed frequency and fixed propagation direction and 4: The fixed frequency and fixed wavelength. Furthermore the instability in the whole wave propagation sector between local main flow and cross flow direction for all 10 tests has been assessed.
| Item URL in elib: | https://elib.dlr.de/36379/ | ||||||
|---|---|---|---|---|---|---|---|
| Document Type: | Monograph (Project Report, DLR-Interner Bericht) | ||||||
| Additional Information: | LIDO-Berichtsjahr=1995, | ||||||
| Title: | Stability analysis on S1Ma wind tunnel experiments with suction | ||||||
| Authors: |
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| Date: | 1995 | ||||||
| Journal or Publication Title: | ELFIN II Technical report No. 168, Dez. 1995 IMT Contract AERO-CT92-41 | ||||||
| Open Access: | No | ||||||
| Gold Open Access: | No | ||||||
| In SCOPUS: | No | ||||||
| In ISI Web of Science: | No | ||||||
| Number of Pages: | 55 | ||||||
| Status: | Published | ||||||
| Keywords: | Grenzschicht Stabilitaet, Laminare Grenzschicht, Laminar-Turbulenter Umschlag, N-Faktor Methode, NLF Stabilitaet, Tollmien-Schlichting Stoerung, Cross Flow Stoerung, | ||||||
| Institution: | DLR | ||||||
| HGF - Research field: | UNSPECIFIED | ||||||
| HGF - Program: | Aeronautics | ||||||
| HGF - Program Themes: | other | ||||||
| DLR - Research area: | UNSPECIFIED | ||||||
| DLR - Program: | L ST - Starrflüglertechnologien | ||||||
| DLR - Research theme (Project): | L - Concepts & Integration (old) | ||||||
| Location: | Köln-Porz , Braunschweig , Göttingen | ||||||
| Institutes and Institutions: | Institute of Aerodynamics and Flow Technology > Institut für Entwurfsaerodynamik | ||||||
| Deposited By: | DLR-Beauftragter, elib | ||||||
| Deposited On: | 03 Apr 2006 | ||||||
| Last Modified: | 27 Apr 2009 10:05 |
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