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Spatially and Spectrally Resolved Laser-Induced Fluorescence Measurements in the HEG

Wollenhaupt, M. and Rosenhauer, M. and Mueller, T. and Beck, W.H. and Scheer, M. (1997) Spatially and Spectrally Resolved Laser-Induced Fluorescence Measurements in the HEG. In: 20th International Symposium on Shock Waves, Editors: Sturtevant, B.; Shepherd, J.E.; Hornung, H.G., World Scientific, 1996, Vol. I, pp. 281-286. Copyright 1996 by World Scientific Publishing Co. Pte. Ltd..

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Abstract

NO excitation and fluorescence spectra, excited by an ArF excimer laser at 193 nm and measured in a hot cell (1200 K) in order to find suitable transitions for use in the high-enthalpy shock tunnel HEG, are discussed. NO laser-induced fluorescence measurements at 193 nm were performed in HEG, with the aim of carrying out 2D/2-line thermometry in the free stream and in gas flows around models. Results in HEG at enthalpies up to 21 MJ/kg are given for the space gliders HERMES and HOPE. The difficulties with contaminant emission at these high enthalpies, and means of overcoming them, are discussed.

Document Type:Conference or Workshop Item (Paper)
Additional Information: LIDO-Berichtsjahr=1996,
Title:Spatially and Spectrally Resolved Laser-Induced Fluorescence Measurements in the HEG
Authors:
AuthorsInstitution or Email of Authors
Wollenhaupt, M.UNSPECIFIED
Rosenhauer, M.UNSPECIFIED
Mueller, T.UNSPECIFIED
Beck, W.H.UNSPECIFIED
Scheer, M.UNSPECIFIED
Date:1997
Journal or Publication Title:20th International Symposium on Shock Waves, Editors: Sturtevant, B.; Shepherd, J.E.; Hornung, H.G., World Scientific, 1996
Volume:Vol. I
Page Range:pp. 281-286
Publisher:Copyright 1996 by World Scientific Publishing Co. Pte. Ltd.
Status:Published
Keywords:NO spectroscopy, shock tunnel, laser-induced fluorescence, LIF, hypersonic flow
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 10:09

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