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Reduction of shock-induced boundary layer separation in hypersonic inlets using bleed

Schulte, D. and Henckels, A. and Wepler, U. (1998) Reduction of shock-induced boundary layer separation in hypersonic inlets using bleed. Aerospace Science and Technology, 2 (4), pp. 231-239.

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Abstract

The proper design of the inlet system is of great importance for the performance of air-breathing hypersonic space planes. One of the dominating flow phenomena inside such a hypersonic inlet is the mutual interaction of oblique shocks with boundary layers, forcing the boundary layer to separate from the inlet wall. As a method to improve the inlet efficiency, the application of bleed is examined using a generic flat plate model and a single shock/laminar boundary layer interaction. By means of computational fluid dynamics as well as experiments in the hypersonic wind tunnel facility H2K of the DLR, favourable design parameters for the bleed set-up are presented and the efficiency of bleed for the reduction of the boundary layer separation and the thermal loads on the surface is demonstrated

Document Type:Article
Additional Information: LIDO-Berichtsjahr=1999,
Title:Reduction of shock-induced boundary layer separation in hypersonic inlets using bleed
Authors:
AuthorsInstitution or Email of Authors
Schulte, D.UNSPECIFIED
Henckels, A.UNSPECIFIED
Wepler, U.UNSPECIFIED
Date:1998
Journal or Publication Title:Aerospace Science and Technology
Refereed publication:Yes
In ISI Web of Science:Yes
Volume:2
Page Range:pp. 231-239
Status:Published
Keywords:hypersonic inlet, shock-boundary layer interaction, boundary layer separation, bleed
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W RP - Raumtransport
DLR - Research area:Space
DLR - Program:W RP - Raumtransport
DLR - Research theme (Project):UNSPECIFIED
Location: Köln-Porz , Braunschweig , Göttingen
Institutes and Institutions:Institute of Aerodynamics and Flow Technology > Institut für Strömungsmechanik
Deposited By: elib DLR-Beauftragter
Deposited On:16 Sep 2005
Last Modified:14 Jan 2010 20:34

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