SOLUTION OF COALESCENCE FREQUENCY IN LIQUID-LIQUID MIXING

WANG Haoran; WANG Liye; YANG Chuanfang; LIU Huizhou

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SOLUTION OF COALESCENCE FREQUENCY IN LIQUID-LIQUID MIXING

更新时间：2025-12-10

- SOLUTION OF COALESCENCE FREQUENCY IN LIQUID-LIQUID MIXING
- CIESC Journal Issue 5, (2001)
- 作者机构：
  
  1. 中国科学院化工冶金研究所生化工程国家重点实验室分离科学与工程青年实验室
  2. 大连理工大学化工学院
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Online First：25 May 2001，
  
  Published：25 May 2001
- 稿件说明：
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WANG Haoran, WANG Liye, YANG Chuanfang, et al. SOLUTION OF COALESCENCE FREQUENCY IN LIQUID-LIQUID MIXING[J]. CIESC Journal, 2001, (5).
DOI：

WANG Haoran, WANG Liye, YANG Chuanfang, et al. SOLUTION OF COALESCENCE FREQUENCY IN LIQUID-LIQUID MIXING[J]. CIESC Journal, 2001, (5). DOI：

摘要

液液两相混合中液滴的凝并频率的直接观察和建模都存在一些困难 .由此建立了一种喷雾 -搅拌两相混合器

获取液滴分布的即时值 .因为液滴很小时破裂频率可以忽略

影响液滴分布的只有凝并频率

可以从液滴的分布获得液滴的凝并频率 .验证了液滴的自我维持性质并利用反问题的方法求取液滴的凝并频率

与从理论推导的液滴凝并频率比较

判断该方法的优势之处

Abstract

When two liquid phases are mixed

it is important to know the variation of drops distribution for the research of mass transfer. Recently

the method mostly used is to set up a population balance model. But in the model

it is difficult to get the coalescence frequency not only from direct observation but also from mechanism modeling.Therefore

a spray-stirred mixer is set up to obtain instantaneous drops distribution. And the breakage frequency can be ignored when liquid drops is very small.There is only coalescence frequency that can affect drops distribution

which can be obtained from the instantaneous drops distribution. In this paper

the drops self-similarity is tested and drops coalescence frequency can be obtained by the inverse-problem method. Compared with the coalescence frequency deduced from theory

this method can give more exacted drops distribution.

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