Abstract
The present system consists of an isokinetic sampling probe, droplet collection mechanism and an image processing package. A droplet sample was extracted from flow field by the sampling probe and collected by an immiscible liquid. Droplet images were grabbed and digitized by an image processing system. Image processing software was developed for droplet counting and sizing, with the capability of distinguishing overlapping droplets. Possible measurement distortion factors such as droplet deposition in the probe, droplet breakup and coalescence were studied. A simple criterion for minimizing measurement distortion was obtained. The system can be used for both water and liquid-metal droplets.
Published Version
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