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Break-up of a drop in a stirred tank
Affiliation:1. School of Mechanical, Aerospace & Civil Engineering, The University of Manchester, Manchester M13 9PL, UK;2. Unilever R&D, Port Sunlight Laboratory, Quarry Road East, Bebington, Wirral CH63 3JW, UK;1. Whittle Laboratory, Department of Engineering, Cambridge University, Cambridge, UK;2. Department of Energy and Power Engineering, Dalian University of Technology, Dalian 116024, China;1. Kristianstad University, Food and Meal Science, Kristianstad, Sweden;2. Chalmers University, Chemistry and Chemical Engineering, Gothenburg, Sweden;3. Tetra Pak Processing Systems AB, Lund, Sweden;4. Lund University, Food Technology and Engineering, Lund, Sweden;1. School of Chemistry, Chemical Engineering and Life Sciences, Wuhan University of Technology, Wuhan 430070, PR China;2. Exploration & Development Research Institute of Shengli Oilfield Co. Ltd, SINOPEC, Dongying 257015, Shandong, PR China;3. Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, PR China
Abstract:The drop break-up mechanism was studied in a stirred tank containing two immiscible liquids. The daughter drops formed by break-up of a single drop of known size were recorded photographically. From the experiments at constant agitator speed the following results were obtained. There is a critical drop size under which drops do not break up under given conditions. The break-up frequency increases approximately linearly with increase in drop volume. The number of daughter drops, v, is a random variable with a mean v > 2 which increases with the volume of the mother drop. The relative volume of a daughter drop has a β-distribution.
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