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Calculation of Flow Radiality Influence on HERMES 1.0 Aerodynamics in Hypersonic Transition Flow

Boettcher, R.-D. (1993) Calculation of Flow Radiality Influence on HERMES 1.0 Aerodynamics in Hypersonic Transition Flow. DLR-Interner Bericht. 222 - 93 A 09, 34 S.

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Abstract

In DLR technical assistance to CNES on HERMES, the influence of flow radiality on the aerodynamic of HERMES 1.0 was studied as part of 1992 work on local bridging methods. This aims at a better assessment of wind tunnel experiments which often suffer from non-parallel test section flow due to nozzle boundary layer effects. Especially pitching moment characteristics are strongly dependant on radiality, as will be demonstrated for typical experiment conditions used in the CNRS SR 3 wind tunnel for HERMES 1.0 measurements. Comparison between these experimental data and bridging calculations leads to the conclusion that at least part of the discrepancies between available measurements for various configurations and calculation results can be explained by radiality effects in the wind tunnel.

Document Type:Monograph (DLR-Interner Bericht)
Additional Information: LIDO-Berichtsjahr=1993,
Title:Calculation of Flow Radiality Influence on HERMES 1.0 Aerodynamics in Hypersonic Transition Flow
Authors:
AuthorsInstitution or Email of Authors
Boettcher, R.-D.UNSPECIFIED
Date:1993
Journal or Publication Title:CNES/TA Report H-NT-0-2055-DLR; Auftragsbericht, CNES/TA, Auftrags-Nr. 87/3365/F/BM - Rider 03
Number of Pages:34
Status:Published
Keywords:Hypersonic Flow, Rarefied Flow, Radial Flow, Bridging Methods, HERMES
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):UNSPECIFIED
Location: Köln-Porz , Braunschweig , Göttingen
Institutes and Institutions:Institute of Aerodynamics and Flow Technology > Institut für Strömungsmechanik > Institut für Experimentelle Strömungsmechanik
Deposited By: elib DLR-Beauftragter
Deposited On:03 Apr 2006
Last Modified:27 Apr 2009 10:07

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