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Linear Stability of Hypersonic Boundary Layers on the Basis of an Euler-/Boundary-Layer Method

Stilla, J. (1993) Linear Stability of Hypersonic Boundary Layers on the Basis of an Euler-/Boundary-Layer Method. Eingeladener Vortrag,: 1993 Hypersonic Symposium, 17.-19. May 1993, Hope Conference Center, Wright-Patterson AFB,USA.

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Abstract

In order to successfully design future hypersonic space vehicles prediction and control of transition are most important topics. In this contest applicable engineering tools are required. The idea here is to use an Euler-/boundary-layer approach 2nd-order boundary-layer theory for computing laminar mean flow and local linear stability theory for estimating transition location. Advantages of the aforementioned mean flow computation are the following:Firstly, Euler-/boundary- layer methods have the advantage of less CPU-time requirements compared to Navier-Stokes methods. Secondly, the principle problem of computing a laminar steady-state mean flow solution at Reynolds numbers where unsteady modes do physically exist is circumvented.

Document Type:Conference or Workshop Item (Speech)
Additional Information: LIDO-Berichtsjahr=1993,
Title:Linear Stability of Hypersonic Boundary Layers on the Basis of an Euler-/Boundary-Layer Method
Authors:
AuthorsInstitution or Email of Authors
Stilla, J.UNSPECIFIED
Date:1993
Status:Published
Keywords:Hypersonic axisymmetric boundary layer, blunt cone, Euler-/ boundary-layer mean flow, second-order boundary-layer theory,
Event Title:Eingeladener Vortrag,: 1993 Hypersonic Symposium, 17.-19. May 1993, Hope Conference Center, Wright-Patterson AFB,USA
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: elib DLR-Beauftragter
Deposited On:03 Apr 2006
Last Modified:27 Apr 2009 10:05

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