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Effect of local spatial location on chord length distribution in stirred tank

摘要:Measurement of dispersed modality at different spatial locations is performed in a 1000 ml borosilicate beaker at various dispersed volume fractions in both W/O and O/W system. It is found that mean chord length at different spatial locations shows a similar distribution in both W/O and O/W dispersion that the closer to impeller the smaller the mean chord length. Further, in dilute W/O dispersion (3%), results show that both number counts and mean chord length of droplets at impeller region are smaller than other locations; however, it gradually turns to be larger at higher dispersed fraction (20%). For O/W dispersion, it is found that number counts of small droplets in region around impeller become smaller than other locations with the addition of dispersed oil phase (10%). Flow characteristic measured by 2D angle-resolved particle image velocimetry in pure oil/water phase is employed to further explain the deviation. Besides, the critical dispersed fraction affecting the dispersed modality at different spatial location is discussed. (C) 2017 Institution of Chemical Engineers. Published by Elsevier B.V. All rights reserved.

关键字:Oil water dispersion Spatial location Chord length distribution Turbulence characteristics Particle image velocimetry

ISSN号:0263-8762

卷、期、页:卷: 120 页: 194-207

发表日期:2017-04-01

期刊分区(SCI为中科院分区):二区

收录情况:SCI(科学引文索引印刷版),ESI(基本科学指标数据库),SCIE(科学引文索引网络版)

发表期刊名称:CHEMICAL ENGINEERING RESEARCH & DESIGN

通讯作者:刘楠楠,张猛,韩佳成,田韵雅

第一作者:宫敬,王玮,吴长春

论文类型:期刊论文

论文概要:刘楠楠,宫敬,王玮,张猛,韩佳成,田韵雅,吴长春,Effect of local spatial location on chord length distribution in stirred tank,CHEMICAL ENGINEERING RESEARCH & DESIGN,2017,卷: 120 页: 194-207

论文题目:Effect of local spatial location on chord length distribution in stirred tank

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