期刊
CHEMICAL ENGINEERING SCIENCE
卷 56, 期 19, 页码 5531-5537出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/S0009-2509(01)00162-2
关键词
mixing; dispersion; liquids; polymer processing; drop size distributions; overemulsification
In mixing of immiscible fluids, the final steady state drop size distribution, corresponding to a minimum mean drop size, is commonly approached in a monotonic way. There are, however, other scenarios. Overemulsification refers to cases where, (I) after reaching a minimum, the average size increases and then levels off to a final size, or (II) the average size oscillates. In case (I) the drop size distribution becomes bimodal after the average size goes through a minimum; gradually, the peak at smaller sizes moves towards the peak at larger sizes resulting in a narrow distribution, An explanation of this phenomenon is offered and ways to exploit it are suggested. (C) 2001 Elsevier Science Ltd. All rights reserved.
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