The Effect of the Structural Parameters of theKenics Static Mixer on its Flow Resistanceand Heat Transfer Performences

Yang Jianzhou and Fang Weifan(Chemical Engineering Department; Zhengzhou Institute of Technology)

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The Effect of the Structural Parameters of theKenics Static Mixer on its Flow Resistanceand Heat Transfer Performences

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- The Effect of the Structural Parameters of theKenics Static Mixer on its Flow Resistanceand Heat Transfer Performences
- CIESC Journal Issue 3, (1988)
- 作者机构：
  
  郑州工学院化工系,郑州工学院化工系
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Online First：25 June 1988，
  
  Published：25 June 1988
- 稿件说明：
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Yang Jianzhou and Fang Weifan(Chemical Engineering Department, Zhengzhou Institute of Technology). The Effect of the Structural Parameters of theKenics Static Mixer on its Flow Resistanceand Heat Transfer Performences[J]. CIESC Journal, 1988, (3).
DOI：

Yang Jianzhou and Fang Weifan(Chemical Engineering Department, Zhengzhou Institute of Technology). The Effect of the Structural Parameters of theKenics Static Mixer on its Flow Resistanceand Heat Transfer Performences[J]. CIESC Journal, 1988, (3). DOI：

摘要

文中对八种规格的Kenies型静态混合器进行了立式装置内的空气阻力和传热对比试验

得到了Re=2300—20000范围内的f～Re和Nu～Re关联式;分析了机理;评价了性能;认为适当增加它的标准型元件的扭率和扭角以及使元件之间有一定的间距

可显著降低流动阻力损失

而仍能基本保持标准到的较高的强化传热效果.

Abstract

Eight different Kenics static mixers were investigated with the aim to identify the structural parameters for augmenting heat transfer through reduced flow resisitance. By changing the twist ratio and the twist angle of standard elements

as well as the distance between the elements

such a goal might he attained. Comparative tests with air in vertical Kenics devices weremade in the region of Reynold numbers from 2300 to 20000 to establish f-Re and Nu-Re correlations. Results obtained indicated that heat transfer could be augmented through reduced flow resistance

by appropriately increasing the twist ratio and twist angle of a standard Kenics static mixer However ample distance between the elements was also necessary lor attaining the better in heat transfer performences.

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