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Proceedings Paper

Simultaneous schlieren and interferometry flow visualization
Author(s): Harald Kleine; Hans Groenig; Kazuyoshi Takayama
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Paper Abstract

For detailed investigations of processes and phenomena in the flow of compressible fluids, it is sometimes necessary to apply more than just one flow visualization technique as each method has its own characteristic strengths and weaknesses. In the case of flows with a low degree of repeatability, it may become mandatory to perform these multiple visualizations simultaneously, i.e., within the same experiment at identical or at least almost identical instants. This contribution describes how two interferometry methods can be coupled with a color schlieren technique in order to obtain simultaneously the density distribution and the density gradients within a flow field. The resulting systems are slightly more complex than a single visualization apparatus, but they can provide an unprecedented wealth of information about the flow field.

Paper Details

Date Published: 17 April 2001
PDF: 10 pages
Proc. SPIE 4183, 24th International Congress on High-Speed Photography and Photonics, (17 April 2001); doi: 10.1117/12.424291
Show Author Affiliations
Harald Kleine, Tohoku Univ. (Japan)
Hans Groenig, RWTH Aachen (Germany)
Kazuyoshi Takayama, Tohoku Univ. (Japan)

Published in SPIE Proceedings Vol. 4183:
24th International Congress on High-Speed Photography and Photonics
Kazuyoshi Takayama; Tsutomo Saito; Harald Kleine; Eugene V. Timofeev, Editor(s)

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