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Generated droplets on liquid-liquid interface are related to problem of chemical reaction and mixture. Water and silicon oil (5 × 10-4 m2/s) under the room temperature are used for liquid-liquid interface. Brass spheres (with four, five and six millimeters diameter) and glass sphere (seven millimeters diameter) are employed for penetrating solid sphere. All spheres are coated with water and oil repellent paint (fluorine compound). A sphere is naturally released eighty millimeters upon the oil layer. The scene of sphere penetration is captured by use of two high-resolution video cameras (30 frames/s, 1024*1024 pixel). Two cameras are made a line square with each other. All image data of generated droplets can be caught under this experimental condition. The velocity of falling sphere and the numbers, positions, diameters, migration velocity of droplets are measured by image analyzing. The frequency distribution of diameter and positions of generated droplets are also obtained.

Study on Liquid-Liquid Interface Caused by a Penetrating Sphere (Second Report)