VELOCITY CHARACTERISTICS OF DILUTE SUSPENSION   FLOWS IN STIRRED TANK

侯拴弟; 王英琛; 张政; 施力田; 阎旭

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VELOCITY CHARACTERISTICS OF DILUTE SUSPENSION FLOWS IN STIRRED TANK

更新时间：2025-12-16

- VELOCITY CHARACTERISTICS OF DILUTE SUSPENSION FLOWS IN STIRRED TANK
- CIESC Journal Issue 6, (2000)
- 作者机构：
  
  北京化工大学化学工程系!北京100029,北京化工大学化学工程系!北京100029,北京化工大学化学工程系!北京100029,北京化工大学化学工程系!北京100029,Dantec测量技术有限公司北京办事处,北京,100083
- 作者简介：
- 基金信息：
- DOI：
  CLC： Q02
- Online First：25 December 2000，
  
  Published：25 December 2000
- 稿件说明：
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侯拴弟, 王英琛, 张政, et al. VELOCITY CHARACTERISTICS OF DILUTE SUSPENSION FLOWS IN STIRRED TANK[J]. CIESC Journal, 2000, (6).
DOI：

侯拴弟, 王英琛, 张政, et al. VELOCITY CHARACTERISTICS OF DILUTE SUSPENSION FLOWS IN STIRRED TANK[J]. CIESC Journal, 2000, (6). DOI：

摘要

Abstract

The mean and r.m.s velocities of solid-liquid flow system were measured by Particle Dynamic Analyzer in a fully baffled tank agitated by axial impellers.The effect of particle volumetric concentration was investigated as well.The results showed that the velocity profiles for two-phase flow were similar with those of the single-phase flow in the impeller region.The axial velocities for two-phase flow were higher than corresponding velocities of single-phase

and the maximum relative velocity occurred at the blade tip with 0.03 U tip in value.The turbulence levels were in general lower

about 50% reduction

than those of single-phase flow in the impeller region.Tangential velocities of two-phase flow decreased with increasing particle concentration while the axial velocities remained the same.Due to the presence of the particles

the discharge jet width became narrow.

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