Turbulent fluid flow and electrochemical mass transfer in an annular duct with an obstruction

被引：0

作者：

G. Weyns

G. Nelissen

J. G. A. Pembery

P. Maciel

J. Deconinck

H. Deconinck

M. A. Patrick

A. A. Wragg

机构：

[1] Vakgroep Elektrotechniek,Department of Engineering

[2] Vrije Universiteit Brussel,undefined

[3] Elsyca NV,undefined

[4] Flowmasters Ltd.,undefined

[5] von Karman Institute for Fluid Dynamics,undefined

[6] Institut Catholique d’Arts et Metiers,undefined

[7] University of Exeter,undefined

来源：

Journal of Applied Electrochemistry | 2009年 / 39卷

关键词：

Blockage geometry; Fins; Mass transfer coefficient; Turbulent mass transfer; Limiting current;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

A so-called blockage geometry consisting of a rod with a fin positioned concentrically within a pipe is used to asses the capabilities of numerical turbulent flow and mass transfer models to predict the turbulent mass transfer coefficients. Measurements of the mass transfer coefficient have been performed for a range of fin diameters and flow rates. The limiting diffusion current measurements were performed using the ferri-ferrocyanide system and nickel electrodes. Different mass transfer turbulence models are used for the calculations and the results are compared with the measurements. The influence of flow rate and fin diameter on the mass transfer rate is examined.

引用

页码：2453 / 2459

页数：6

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