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.

Volume Subject Area:
Open Forum on Multiphase Flows: Work in Progress
Topics:
Holography, Particulate matter, Calibration, Flow (Dynamics), Reynolds number
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