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Cinematographic system for high-image-density particle image velocimetry

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Abstract

A cinematographic system, which integrates the concepts of high-image-density PIV, laser scanning, and framing photography, allows temporal resolution of the order of one percent of the time scale of the largest vortical structures in the turbulent wake from a cylinder at a Reynolds number of 10,000. With this resolution in time, it is possible to track, in a continuous fashion, the patterns of streamwise vorticity in the near-wake.

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Authors and Affiliations

  1. Department of Mechanical Engineering and Mechanics, Room 354, Lehigh University, 19 Memorial Drive West, 18015, Bethlehem, Pennsylvania, USA

    J. C. Lin & D. Rockwell

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  1. J. C. Lin
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  2. D. Rockwell
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The authors are pleased to acknowledge the financial support of the National Science Foundation, the Office of Naval Research, and the Air Force Office of Scientific Research.

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Lin, J.C., Rockwell, D. Cinematographic system for high-image-density particle image velocimetry. Experiments in Fluids 17, 110–114 (1994). https://doi.org/10.1007/BF02412812

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  • DOI: https://doi.org/10.1007/BF02412812

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