TURBULENCE FLOW PARAMETERS IN STIRRED TANK WITH PROPELLER

侯拴弟; 王英琛; 施力田

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TURBULENCE FLOW PARAMETERS IN STIRRED TANK WITH PROPELLER

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- TURBULENCE FLOW PARAMETERS IN STIRRED TANK WITH PROPELLER
- CIESC Journal Issue 4, (1995)
- 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
- 作者简介：
- 基金信息：
- DOI：
  CLC： Q021
- Online First：25 August 1995，
  
  Published：25 August 1995
- 稿件说明：
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侯拴弟, 王英琛, 施力田. TURBULENCE FLOW PARAMETERS IN STIRRED TANK WITH PROPELLER[J]. CIESC Journal, 1995, (4).
DOI：

侯拴弟, 王英琛, 施力田. TURBULENCE FLOW PARAMETERS IN STIRRED TANK WITH PROPELLER[J]. CIESC Journal, 1995, (4). DOI：

摘要

在直径494和1600mm的平底有机玻璃槽内

利用一维恒温热膜风速仪测量了7种不同搅拌桨-槽体系中流体的时均速度、脉动速度、能谱函数、微分尺度以及湍流耗散等

对螺旋桨搅拌槽内湍流参数分布进行了详细的描述

研究了叶轮叶端安放角及离底距离对流动场的影响

并分析了放大过程对流动场的影响。

Abstract

In seven kinds of impeller - tank systems

the characteristics of turbulence flow have been investigated by using a one - dimensional hot - film anemometer. The measured parameters include the mean and fluctuating velocities and energy spectrum. Based on the measured results

the overall flow patterns in the stirred tank are obtained. The effects of the impeller off - bottom - distance

the impeller tip angle and scale - up on the patterns and turbulence parameters have been studied.

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