Abstract
Recently mixing technology is important to chemical engineering, food engineering, bio engineering and etc.. However, mechanism of emulsifying has not been fully understood. In this study, breakup process of oil droplets was visualized to clarify the emulsifying mechanism using an emulsifying equipment with homogenizing mixer. And diameter of the droplets was measured by PDPA (Phase Doppler Particle Analyzer). As a result, it was seen that the diameters of broken up oil droplets more strongly depended on rotational frequency of homogenizing mixer rather than kinetic viscosity of oil. And the presence of the baffle plates did not affect vertical convection of liquid around the plates, when viscosity of the liquid was very high.
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