This paper presents a measurement of three-dimensional particle distribution by tomographic digital holography. Holographic patterns of particles (particle Reynolds number Rep=0.79, average diameter dp=73.5 μm) settling in a static flow were recorded by two high speed cameras orthogonal to each other. Cameras were calibrated by a proposed method using a calibration device and a pattern matching. The calibration accuracy of the method is within 0.34 times of particle diameter.
Measurement of Three-Dimensional Particle Distribution by Tomographic Digital Holography
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Tani, S, Tanaka, Y, & Murata, S. "Measurement of Three-Dimensional Particle Distribution by Tomographic Digital Holography." Proceedings of the ASME/JSME/KSME 2015 Joint Fluids Engineering Conference. Volume 2A: Fora, Part 2. Seoul, South Korea. July 26–31, 2015. V02AT19A001. ASME. https://doi.org/10.1115/AJKFluids2015-19199
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