Combined particle image velocimetry and visualization experiments on instabilities in a flat plate boundary layer with zero pressure gradient

Markus Fischer; Markus Raffel; Andreas Vogt; Juergen Kompenhans

doi:10.1117/12.163141

1 April 1994 Combined particle image velocimetry and visualization experiments on instabilities in a flat plate boundary layer with zero pressure gradient

Markus Fischer, Markus Raffel, Andreas Vogt, Juergen Kompenhans

Author Affiliations +

Optical Engineering, Vol. 33, Issue 4, (April 1994). https://doi.org/10.1117/12.163141

Abstract

Quantitative and visual data of artificially forced instabilities are acquired in a flat plate boundary layer in air. For the first time, particle image velocimetry (PIV) allows the instantaneous recording of a complete velocity field. With this technique, quantitative data are obtained within the boundary layer and very close to the wall. By using a light sheet technique it is possible furthermore to obtain visual data. Reproducible and constant conditions in the development of the instabilities are achieved by forcing the boundary layer with well-controlled disturbances. These disturbances are generated with an arrangement for acoustic excitation.

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Markus Fischer, Markus Raffel, Andreas Vogt, and Juergen Kompenhans "Combined particle image velocimetry and visualization experiments on instabilities in a flat plate boundary layer with zero pressure gradient," Optical Engineering 33(4), (1 April 1994). https://doi.org/10.1117/12.163141

Published: 1 April 1994

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