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Flow Velocity Measurements in Nirogen Plumes Stimulated by REMPI

Dankert, C. and Mori, H. (2003) Flow Velocity Measurements in Nirogen Plumes Stimulated by REMPI. In: ICIASF 2003, Göttingen, Germany 2003 ICIASF records, I. IEEE. ISBN 0-7803-8149-1.

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Abstract

In the DLR- high vacuum plume test facility STG,experiments have been performed to study the expansion of supersonic plumes into vacuum with N2 as a test gas. The measured values were the Pitot pressuere, the molecular nuber flux, the rotational temperature and the velocity. The last two quantities were measured by the 2+2 REMPI- technique with a stimulation wavelength of 283 nm - 284 nm. ( REMPI = resonance enhanced multi photon ionozation ). This study is focussed on the experimental procedure to measure the flow velocity of N2 in rarefied plumes expanding from supersonic nozzles into vacuum.

Document Type:Contribution to a Collection
Additional Information: LIDO-Berichtsjahr=2004,
Title:Flow Velocity Measurements in Nirogen Plumes Stimulated by REMPI
Authors:
AuthorsInstitution or Email of Authors
Dankert, C.UNSPECIFIED
Mori, H.UNSPECIFIED
Date:2003
Journal or Publication Title:ICIASF 2003, Göttingen, Germany 2003
Refereed publication:Yes
In ISI Web of Science:No
Volume:I
Editors:
EditorsEmail
Engler, R.H.UNSPECIFIED
Publisher:IEEE
Series Name:ICIASF records
ISBN:0-7803-8149-1
Status:Published
Keywords:spectroscopy, velocity measurement, supersonic flows
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W EO - Erdbeobachtung
DLR - Research area:Space
DLR - Program:W EO - Erdbeobachtung
DLR - Research theme (Project):UNSPECIFIED
Location: Köln-Porz , Braunschweig , Göttingen
Institutes and Institutions:Institute of Aerodynamics and Flow Technology
Deposited By: Carl Dankert
Deposited On:31 Jan 2006
Last Modified:14 Jan 2010 19:22

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