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

Markus Fischer; Markus Raffel; Andreas Vogt; Juergen Kompenhans

doi:10.1117/12.163729

2 December 1993 Combined PIV 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 +

Proceedings Volume 2005, Optical Diagnostics in Fluid and Thermal Flow; (1993) https://doi.org/10.1117/12.163729
Event: SPIE's 1993 International Symposium on Optics, Imaging, and Instrumentation, 1993, San Diego, CA, United States

Abstract

Quantitative and visual data of artificially forced instabilities have been acquired in a flat plate boundary layer in air. For the first time the Particle Image Velocimetry (PIV) allows the recording of a complete velocity field instantaneously. With this technique quantitative data have been obtained within the boundary layer also very close to the wall. By using a light sheet technique it was 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.

Citation Download Citation

Markus Fischer, Markus Raffel, Andreas Vogt, and Juergen Kompenhans "Combined PIV and visualization experiments on instabilities in a flat plate boundary layer with zero pressure gradient", Proc. SPIE 2005, Optical Diagnostics in Fluid and Thermal Flow, (2 December 1993); https://doi.org/10.1117/12.163729

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