Engineering Transition Prediction for a Hypersonic Axisymmetric Boundary Layer.
Stilla, J. (1993) Engineering Transition Prediction for a Hypersonic Axisymmetric Boundary Layer. In: Proc. AIAA/DGLR Fifth International Aerospace Planes and Hypersonics Technology Conference, 30.11.-3.12.1993, München..
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The hypersonic flow over a blunt, slender cone at M*ɪ and *ɢ* is investigated from an engineering point of view. To do this, a steady, laminar mean flow is efficiently computed by means of an Euler/Boundary-Layer method called EUBL which includes second-order boundary-layer theory. Transition prediction is done using local, linear stability theory in conjunction with the e*-method. Mean flow and stability results are in good agreement with those of other theoretical studies. Compared to experimental stability data, however, considerable differences between spatial amplification rates remain. The difference in transition location is about 15%. Results of sensitivity studies show that the displacement effect, as well as the influence of mumerical dissipation on the Euler solution, lead to differences in transition location, Re*, of about 10%. Furthermore, the use of a linear viscosity law for low temperatures leads to noticeable.
|Document Type:||Conference or Workshop Item (Paper)|
|Additional Information:||LIDO-Berichtsjahr=1996, pages=11,|
|Title:||Engineering Transition Prediction for a Hypersonic Axisymmetric Boundary Layer.|
|Journal or Publication Title:||Proc. AIAA/DGLR Fifth International Aerospace Planes and Hypersonics Technology Conference, 30.11.-3.12.1993, München.|
|Series Name:||AIAA 93-5114|
|Keywords:||Engineering transition prediction, hypersonic axisymmetric boundary layers, blunt cone, Euler/boundary-layer mean flow .....|
|HGF - Research field:||UNSPECIFIED|
|HGF - Program:||Space|
|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 10:06|
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