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Measurements of density fields in micro nozzle plumes in vacuum by using an enhanced tomographic Background Oriented Schlieren (BOS) technique

Schröder, Andreas and Over, Benedikt and Geisler, Reinhard and Bulit, A. and Schwane, R. and Kompenhans, Jürgen (2009) Measurements of density fields in micro nozzle plumes in vacuum by using an enhanced tomographic Background Oriented Schlieren (BOS) technique. The 9th International Symposium on Measurement Technology and Intelligent Instruments ( ISMTII-2009 ), 2009-006-29 -2009-07-02, Saint-Petersburg (Russia).

Full text not available from this repository.

Official URL: http://www.tdisie.nsc.ru/ismtii2009

Abstract

The measuring principle of BOS is based on light ray deflection along density gradients normal to the lines of sight. For high precision BOS measurements in a small field of view around a micro nozzle exit a long-distance microscope (LDM), a high resolution CCD camera and evaluation software based on cross-correlation for determining displacement vector fields have been used in the propulsion laboratory of ESA-ESTEC in Noordwijk. The density distribution inside a micro nozzle free jet of nitrogen into a vacuum chamber has been investigated using optical tomography for measurement data achieved with BOS.

Item URL in elib:https://elib.dlr.de/57985/
Document Type:Conference or Workshop Item (Speech, Paper)
Title:Measurements of density fields in micro nozzle plumes in vacuum by using an enhanced tomographic Background Oriented Schlieren (BOS) technique
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Schröder, AndreasUNSPECIFIEDUNSPECIFIED
Over, BenediktUNSPECIFIEDUNSPECIFIED
Geisler, ReinhardUNSPECIFIEDUNSPECIFIED
Bulit, A.ESA- ESTEC, EPL, Noordwijk, The NetherlandsUNSPECIFIED
Schwane, R.ESA- ESTEC, EPL, Noordwijk, The NetherlandsUNSPECIFIED
Kompenhans, JürgenUNSPECIFIEDUNSPECIFIED
Date:2009
Refereed publication:No
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Volume:Vol. 1
Page Range:1-272-1-276
Series Name:CD Conference Proceedings
Status:Published
Keywords:optical field measurements, BOS, cross-correlation, tomography, density fields
Event Title:The 9th International Symposium on Measurement Technology and Intelligent Instruments ( ISMTII-2009 )
Event Location:Saint-Petersburg (Russia)
Event Type:international Conference
Event Dates:2009-006-29 -2009-07-02
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Aeronautics
HGF - Program Themes:Aircraft Research (old)
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Flight Physics (old)
Location: Göttingen
Institutes and Institutions:Institute of Aerodynamics and Flow Technology > Experimental Methods
Deposited By: Micknaus, Ilka
Deposited On:05 Feb 2009
Last Modified:13 Oct 2009 14:54

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