Kufner, G. and Dallmann, U. and Stilla, J. (1993) Instability of Hypersonic Flow Post Blunt Cones. In: Proc. AIAA 24th Fluid Dynamics Conference, 6.-9.7.1993, Orlando, FL.Effects of Mean Flow Variations.
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Abstract
The M*ɪ.0 hypersonic, laminar, axisymmetric mean flows past blunt, circular cones at zero angle of attack are calculated and their instability are analyzed by means of primary, local, linear stability theory taking into account the cones' metric. According to the experiment of Stetson et al. the freestream unit Reynolds number is set to Re*/ft.ɤ.5X10*. The investigated cones have a half angle of 7* and nose radii of RNɢ.15in., RNɢ.7in., and RNɣ.68in. For the wall temperature either adiabatic or isothermal conditions are prescribed. The isothermal wall temperatures are selected to be 1.2, 0.9, 0.8, 0.6 and 0.3 times the adiabatic wall temperature at the position S/RN for the cone with a nose radius RNɢ.15in. The larger bluntnesses are calculated with adiabatic conditions only. The mean flow is either calculated by a thin-layer Navier-Stokes code or by an Euler/second-order boundary-layer approach (for RNɢ.15in. only).
Item URL in elib: | https://elib.dlr.de/36465/ | ||||||||||||
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Document Type: | Conference or Workshop Item (Paper) | ||||||||||||
Additional Information: | institution=AIAA, LIDO-Berichtsjahr=1996, pages=28, | ||||||||||||
Title: | Instability of Hypersonic Flow Post Blunt Cones | ||||||||||||
Authors: |
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Date: | 1993 | ||||||||||||
Journal or Publication Title: | Proc. AIAA 24th Fluid Dynamics Conference, 6.-9.7.1993, Orlando, FL.Effects of Mean Flow Variations | ||||||||||||
Open Access: | No | ||||||||||||
Gold Open Access: | No | ||||||||||||
In SCOPUS: | No | ||||||||||||
In ISI Web of Science: | No | ||||||||||||
Series Name: | AIAA 93-2983 | ||||||||||||
Status: | Published | ||||||||||||
Keywords: | Thin-layer Navier-Stokes mean flow, Euler/second-order boundary-layer approach, efficiency of mean-flow calculation.... | ||||||||||||
HGF - Research field: | UNSPECIFIED | ||||||||||||
HGF - Program: | Space (old) | ||||||||||||
HGF - Program Themes: | W RP - Raumtransport | ||||||||||||
DLR - Research area: | UNSPECIFIED | ||||||||||||
DLR - Program: | W RP - Raumtransport | ||||||||||||
DLR - Research theme (Project): | W - Grundlagen Raumtransport - Anlagen und Messtechnik (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 10:06 |
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