Effects of Rheological Complexities on Mixing with Helical Ribbon Impellers

He Yongfu and Dai Gance(UNIL.AB Research Center of Chemical Reaction Engineering; Shanghai)

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Effects of Rheological Complexities on Mixing with Helical Ribbon Impellers

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- Effects of Rheological Complexities on Mixing with Helical Ribbon Impellers
- CIESC Journal Issue 5, (1989)
- 作者机构：
  
  联合化学反应工程研究所华东化工学院分所,联合化学反应工程研究所华东化工学院分所上海上海医药工业研究院江湾分院,上海
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Online First：25 October 1989，
  
  Published：25 October 1989
- 稿件说明：
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He Yongfu and Dai Gance(UNIL.AB Research Center of Chemical Reaction Engineering, Shanghai). Effects of Rheological Complexities on Mixing with Helical Ribbon Impellers[J]. CIESC Journal, 1989, (5).
DOI：

He Yongfu and Dai Gance(UNIL.AB Research Center of Chemical Reaction Engineering, Shanghai). Effects of Rheological Complexities on Mixing with Helical Ribbon Impellers[J]. CIESC Journal, 1989, (5). DOI：

摘要

选用流变性质不同的三种物系:糖浆、CMC溶液、鲍格流体

在直径为0.286m的釜内

以不同结构的螺带桨进行搅拌

测定了功率、混合时间、速度分布和流型。分析了流变性质如粘度的剪切依赖性、弹性等对这些性能的影响

并在流型观测的基础上对功率、混合时间的变化规律作了解释。

Abstract

Power consumption

mixing time

velocity distribution and How patterns in agitated vessel of 0.286m in diameter with various types of helical ribbon impellers were measured with syrup

CMC solution and Boger fluid as test fluids. The effects of rheological properties of the fluids on axial velocity

tangentical velocity and radial velocity in the vessel with the presence of secondary flow were quantitatively described. It was also indicated that flow patterns of high viscoelastic fluid were quite different from those of high viscous fluid. Interpretations of power consumption and mixing time data were given on the basis of flow pattern observations.

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