1120 ディジタルホログラフィによるミクロン粒子計測法の性能評価(GS-5 混相流(2),研究発表講演)

概要

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This paper presents the performance test results for the digital holographic measurement of micro-particles which diameter mainly range from 1 to 10μm. In the measurement, the inline hologram patterns for the micro-particles are captured with a single electronic camera and they are numerically analyzed on a personal computer to obtain the particle information, such as their diameter, shape and number density. The present technique enables to numerically reconstruct enlarged particle images for highly accurate particle measurement, whereas the standard size of one pixel in a digial image is about 10μm and the corresponding spatial resolution is not enough for the taget micro-particles. The performance of the technique is evaluated in numerical simulation and the test results show that the present technique successfully measure the particle diameter with higher accuracy.
社団法人日本機械学会の論文
2005-03-18