Scheer, M. and Wollenhaupt, M. and Rosenhauer, M. and Beck, W.H. (1996) Temperature and Density Measurements on Hypersonic Wind Tunnels Using Laser Induced Fluorescence of NO, Including a Study of NO Spectroscopy Using a Novel Heated Cell. DLR-Interner Bericht. 223-96 A 32. 143 S.
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Abstract
With the aim of being able to determine temperatures in high enthalpy flows, NO LIF measurements were carried out on a novel heated cell, on two other wind tunnels (arc-heated wind tunnel LBK in Cologne, and shock tunnel TH2 in Aachen), and on the high enthalpy shock tunnel HEG in Goettingen. In an exhaustive study of NO excitation and fluorescence spectroscopy in the tuning range of the ArF excimer lasers (193 - 4 nm), using the specially constructed heated calibration cell at temperatures of 1200 K, over 400 transitions could be unambiguously assigned. Anomalous line intensities for the satellite branches were observed, and discrepancies for measured and calculated line positions for the (3,0) band were tentatively assigned to a perturbation of the A(3) level by an excited predissociative electronic state. Suitable line pairs for determination of temperatures in high enthalpy flows were identified.
Item URL in elib: | https://elib.dlr.de/37479/ | |||||||||||||||
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Document Type: | Monograph (DLR-Interner Bericht) | |||||||||||||||
Additional Information: | LIDO-Berichtsjahr=1996, | |||||||||||||||
Title: | Temperature and Density Measurements on Hypersonic Wind Tunnels Using Laser Induced Fluorescence of NO, Including a Study of NO Spectroscopy Using a Novel Heated Cell | |||||||||||||||
Authors: |
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Date: | 1996 | |||||||||||||||
Open Access: | No | |||||||||||||||
Gold Open Access: | No | |||||||||||||||
In SCOPUS: | No | |||||||||||||||
In ISI Web of Science: | No | |||||||||||||||
Number of Pages: | 143 | |||||||||||||||
Status: | Published | |||||||||||||||
Keywords: | LIF, Laser Induced Fluorescence, High Enthalpy Flows, NO, Nitric Oxide, Spectroscopy | |||||||||||||||
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: | DLR-Beauftragter, elib | |||||||||||||||
Deposited On: | 03 Apr 2006 | |||||||||||||||
Last Modified: | 27 Apr 2009 10:08 |
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