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First Results of Calibration and use of the HEG

Eitelberg, G. (1994) First Results of Calibration and use of the HEG. In: 18th AIAA Aerospace Ground Testing Conference, 20.-23. Juni 1994, Colorado Springs, CO/USA.

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Abstract

This paper deals with the experimental possibilities, provided by the new high enthalpy wind tunnel HEG, to study the effects of oxygen and nitrogen dissociation in experiments where this reaction occurs over a sufficiently short distance in stagnating flows. The particulars of the large facility, its capability to operate in tailored mode and the drawbacks of relatively large test times at high density and enthalpy will be dicussed in the light of the latest calibration experiments. After the discussion of the calibration status of the HEG, samples of aerothermodynamic tests performed in the HEG will be discussed. Some of these experiments are reconfirmations of experiments like flow over blunt bodies performed in the Australian tunnels T3 and T4 where the difference lies in the new instrumentation applied to the same flow problems, others are new studies of external aerothermodynamics like the experiments on shock/shock interactions. The significance of the dissociation effects in the above experiments is poited out.

Document Type:Conference or Workshop Item (Paper)
Additional Information: institution=AIAA, LIDO-Berichtsjahr=1994, pages=12,
Title:First Results of Calibration and use of the HEG
Authors:
AuthorsInstitution or Email of Authors
Eitelberg, G.UNSPECIFIED
Date:1994
Journal or Publication Title:18th AIAA Aerospace Ground Testing Conference, 20.-23. Juni 1994, Colorado Springs, CO/USA
Series Name:AIAA 94-2525
Status:Published
Keywords:Real gas effects, hogh enthalphy, wind tunnels
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 10:08

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