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Laser-Induced Fluorescence Apparatus for Application in Rarefied Hypersonic Flow Fields. Part III: Rotational Temperature of 0 2

Dankert, C. and Gundlach, G. and Hefer, G. and Hirai, E. (1993) Laser-Induced Fluorescence Apparatus for Application in Rarefied Hypersonic Flow Fields. Part III: Rotational Temperature of 0 2. DLR-Interner Bericht. 222 93 A 20, 18 S.

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Abstract

The rotational temperature of O 2-molecules in a hypersonic free jet was investigated by means of the Laser-Induced Predissociative Fluorescence (LIPF) technique using a tunable ArF*-excimer laser. For analyzing the measured spectra a computer code was developed to calculate the Schumann-Runge bands.The spectra characteristics of the bands considering the tuning range of the laser are described. This code predicts the triplet structure of the bands quite well. The measured rotational temperatures agreed with the theoretical ones. The lower detection limit for rarefied conditions was about 1 x 10 15 molecules/cm3.

Document Type:Monograph (DLR-Interner Bericht)
Additional Information: LIDO-Berichtsjahr=1993,
Title:Laser-Induced Fluorescence Apparatus for Application in Rarefied Hypersonic Flow Fields. Part III: Rotational Temperature of 0 2
Authors:
AuthorsInstitution or Email of Authors
Dankert, C.UNSPECIFIED
Gundlach, G.UNSPECIFIED
Hefer, G.UNSPECIFIED
Hirai, E.UNSPECIFIED
Date:1993
Journal or Publication Title:Auftragsbericht, Auftraggeber: DASSAULT Aviation, Velizy, France
Number of Pages:18
Status:Published
Keywords:Laserinduzierte Fluoreszenz; Temperaturmessung; Hyperschallexpansion, Nichtgleichgewichtsstroemung; Predissoziation von 0 2
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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