Abstract
A new unobtrusive method for two-phase flow data collection was proven reliable in this research. Digital image processing is used to measure drop dispersion and mixing in highly turbulent liquid/liquid pipeline flow. The location of interest is illuminated briefly by a sheet of light from a pulsed laser, thereby freezing the motion, and is viewed by a CCD video camera. The intensity distribution of light affected by droplets is measured by an array of sensors and is stored in a computer as a set of grey levels. Computer software reconstructs the droplet pattern from this array of spatially distributed grey levels. After appropriate computer screening to eliminate non-drops, the drop size distribution, local concentration, and other relevant statistical parameters are calculated. This on-line, computer based automatic image processing system is being used to determine local concentrations directly and to analyze the large amounts of data necessary to develop reliable correlations and validate proposed the...
Published Version
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