Abstract
Particle Image Velocimetry (PIV) is now a well established experimental technique to measure two components of the velocity in a planar region of a flow field. This paper shows how its proven capabilities can be further extended by using holographic recording to register the particle displacements. Among other unique characteristics, holography enables the acquisition of multiple images on a single plate, and the recording of three dimensional images. These features are used to circumvent some of the limitations of conventional PIV. Some of these possibilities are demonstrated in this study by applying the technique to a high Reynolds number swirling flow using a lens-less off-axis orthogonal recording geometry.
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Received: 25 February 1998/ Accepted: 2 September 1998
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Lozano, A., Kostas, J. & Soria, J. Use of holography in particle image velocimetry measurements of a swirling flow. Experiments in Fluids 27, 251–261 (1999). https://doi.org/10.1007/s003480050350
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DOI: https://doi.org/10.1007/s003480050350