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Instability of Hypersonic Flow Post Blunt Cones

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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The M*&#618.0 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.&#612.5X10*. The investigated cones have a half angle of 7* and nose radii of RN&#610.15in., RN&#610.7in., and RN&#611.68in. 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&#61175 for the cone with a nose radius RN&#610.15in. 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 RN&#610.15in. only).

Item URL in elib:https://elib.dlr.de/36465/
Document Type:Conference or Workshop Item (Paper)
Additional Information: institution=AIAA, LIDO-Berichtsjahr=1996, pages=28,
Title:Instability of Hypersonic Flow Post Blunt Cones
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
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 ISI Web of Science:No
Series Name:AIAA 93-2983
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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