Influence of fluid distribution on the wall shear stress in a plane ultrafiltration module using an electrochemical method

被引：8
作者：
Gaucher, C [1 ]
Legentilhomme, P [1 ]
Jaouen, P [1 ]
Comiti, J [1 ]
机构：
[1] GEPEA, Lab Genie Procedes Environm Agroalimentaire, UMR MA 100, CRTT, F-44602 St Nazaire, France
来源：
CHEMICAL ENGINEERING RESEARCH & DESIGN | 2002年 / 80卷 / A1期
关键词：
ultrafiltration module; microelectrodes; electrochemical method; wall shear stress;
D O I：
10.1205/026387602753393286
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
The wall shear stress is determined at the surface of a plane sheet of 'Plexiglas', taking the place of a membrane, using an electrochemical method. Several microelectrodes are mounted flush to this plate and maps of shear stress and flow regime are determined for several inlet and outlet systems. The experimental measurements emphasize the same heterogeneity of wall shear stress for all the configurations investigated. Furthermore, whatever the configuration, the study of the turbulence features of the flow shows a transition flow regime in the range of Reynolds numbers investigated. The comparison of wall shear stresses and turbulent intensity rates obtained for each inlet/outlet system allows the determination of the best configuration.
引用
收藏
页码：111 / 120
页数：10
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