Research

Scanned multi-light-emitting-diode illumination for volumetric particle image velocimetry


Reference:

Patterson, M. D. and Wettlaufer, J. S., 2010. Scanned multi-light-emitting-diode illumination for volumetric particle image velocimetry. Review of Scientific Instruments, 81 (9), 096101.

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    Official URL:

    http://dx.doi.org/10.1063/1.3480544

    Abstract

    We describe the development of both multilevel two-dimensional and grid-based three-dimensional illumination systems for volumetric particle image velocimetry (PIV) that uses a single camera and an arbitrary number of low powered lasers. This flexible system is robust and capable of capturing results over a range of spatiotemporal scales determined by the choice of camera, the depth of field of the lens, and the laser power. The system is demonstrated on a rotating spin-up experiment where we extract high fidelity velocity fields at up to 62 frames/s at a spatial resolution of 2352×1728 pixels. The flexibility and economy offered by this system—approximately one-tenth that of a comparable commercial package—may make it attractive to many laboratory users.

    Details

    Item Type Articles
    CreatorsPatterson, M. D.and Wettlaufer, J. S.
    DOI10.1063/1.3480544
    DepartmentsFaculty of Engineering & Design > Architecture & Civil Engineering
    Publisher StatementPatterson_RevSciInst_2010.pdf: Copyright 2010 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. This article appeared in Review of Scientific Instruments, 81(9) and may be found at http://dx.doi.org/10.1063/1.3480544 .
    RefereedYes
    StatusPublished
    ID Code20450

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