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).
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Official URL: http://www.tdisie.nsc.ru/ismtii2009
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.
|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|
|In ISI Web of Science:||No|
|Series Name:||CD Conference Proceedings|
|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|
|DLR - Research area:||Aeronautics|
|DLR - Program:||L AR - Aircraft Research|
|DLR - Research theme (Project):||L - Flight Physics|
|Institutes and Institutions:||Institute of Aerodynamics and Flow Technology > Experimental Methods|
|Deposited By:||Ilka Micknaus|
|Deposited On:||05 Feb 2009|
|Last Modified:||13 Oct 2009 14:54|
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