A Photographic Technique for Measuring Fluid Velocities with Tracer Particles

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Publisher: SMPTE
Doc Type: Journal Article
Article Type: research-article
Abstract: This paper presents theoretical and experimental aspects associated with the use of neutrally buoyant tracer particles for defining fluid motion with cine photography. A dimensionless-parameter argument, based on particle size, leads to a criterion for determining when particle and fluid velocities are equivalent. The authors assert that results which do not vary with particle size do not contain deviations due to the presence of particles, assuming a particle size ratio greater than 2. Two applications are presented along with two carrier fluid-particle systems. Details of the photographic technique are included, indicating a procedure for determination of velocity components from two mutually perpendicular views of the tracer particles.
Publication Date: 1973-11-01
DOI: 10.5594/J07660
Link: https://doi.org/10.5594/J07660
Author(s): Irwin A. Feuerstein, Donald R. Woods

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Irwin A. Feuerstein and Donald R. Woods; A Photographic Technique for Measuring Fluid Velocities with Tracer Particles, Journal of the SMPTE ( Volume: 82, Issue: 11, November 1973); SMPTE, 1973. Available at https://doi.org/10.5594/J07660

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Irwin A. Feuerstein and Donald R. Woods; A Photographic Technique for Measuring Fluid Velocities with Tracer Particles, Journal of the SMPTE ( Volume: 82, Issue: 11, November 1973); SMPTE, 1973. Available at https://doi.org/10.5594/J07660

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<span class="citation">Irwin A. Feuerstein and Donald R. Woods; <cite>A Photographic Technique for Measuring Fluid Velocities with Tracer Particles</cite>, Journal of the SMPTE ( Volume: 82, Issue: 11, November 1973); SMPTE, 1973. Available at <a href="https://doi.org/10.5594/J07660" target="_blank" rel="noopener">https://doi.org/10.5594/J07660</a></span>

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<li>
Irwin A. Feuerstein and Donald R. Woods; <cite id="bib-10-5594-j07660">A Photographic Technique for Measuring Fluid Velocities with Tracer Particles</cite>, Journal of the SMPTE ( Volume: 82, Issue: 11, November 1973); SMPTE, 1973
<span class="doi">10.5594/J07660</span>
</li>