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Spatially resolved visualization of a high-speed airflow around a model by laser-induced fluorescence

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Abstract

We report an extension of the resonant Doppier velocimeter (RDV) technique to the visualization of the flow field around a model in supersonic air. Iodine vapor is seeded into the flow for visualization purposes. An expanded narrow linewidth laser beam may be tuned so thai regions in the flow with a specific velocity component fluoresce brightly enough to be seen with the naked eye.

© 1983 Optical Society of America

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