Simultaneous schlieren and interferometry flow visualization

Harald Kleine; Hans Groenig; Kazuyoshi Takayama

doi:10.1117/12.424291

17 April 2001 Simultaneous schlieren and interferometry flow visualization

Harald Kleine, Hans Groenig, Kazuyoshi Takayama

Proceedings Volume 4183, 24th International Congress on High-Speed Photography and Photonics; (2001) https://doi.org/10.1117/12.424291
Event: 24th International Congress on High-Speed Photography and Photonics, 2000, Sendai, Japan

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.

Citation Download Citation

Harald Kleine, Hans Groenig, and Kazuyoshi Takayama "Simultaneous schlieren and interferometry flow visualization", Proc. SPIE 4183, 24th International Congress on High-Speed Photography and Photonics, (17 April 2001); https://doi.org/10.1117/12.424291

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