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Rotational Temperature Measurements of N2-Molecules Reflected from a Wall

Novopashin, S. and Dankert, C. and Lehmköster, K. and Mohamed, A. and Pot, T. (1995) Rotational Temperature Measurements of N2-Molecules Reflected from a Wall. DLR-Interner Bericht. 223-95 A 13, 48 S.

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Abstract

Within the ONERA (France) - DLR (Germany) - cooperation the interaction of N2-molecules of high kinetic energy colliding with a solid hot wall are investigated. The experiments have been carried out at DLR-Goettingen in the vacuum wind tunnel V2G. Test method was the electron beam fluorescence technique which allows to measure the population of rotational levels of the molecules, which is necessary to define the rotation temperatures of the incoming (undisturbed) andthe reflected molecules. The results show the influence of the kinetic energy of the incoming flow, the wall temperature and material, and the Knudsen number.

Document Type:Monograph (DLR-Interner Bericht)
Additional Information: LIDO-Berichtsjahr=1995,
Title:Rotational Temperature Measurements of N2-Molecules Reflected from a Wall
Authors:
AuthorsInstitution or Email of Authors
Novopashin, S.UNSPECIFIED
Dankert, C.UNSPECIFIED
Lehmköster, K.UNSPECIFIED
Mohamed, A.ONERA, France
Pot, T.ONERA, France
Date:1995
Number of Pages:48
Status:Published
Keywords:Gas-surface-interaction, hypersonic flow, spectroscopy of rarefied gases, temperature measurement, heat transfer
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 > 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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