Electrochemical analysis of Taylor vortices

Steady Taylor vortices in the annular gap between coaxial cylinders were studied using the electrodiffusion method. The cylinders had an aspect ratio of 17.7 and a radius ratio of 0.5. The inner cylinder was driven with a stepping motor. The Reynolds number was in the range (113, 880). Two three-seg...

Full description

Saved in:
Bibliographic Details
Published in:Journal of applied electrochemistry 2007-01, Vol.37 (1), p.57-62
Main Authors: Wouahbi, F, Allaf, K, Sobolik, V
Format: Article
Language:English
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:Steady Taylor vortices in the annular gap between coaxial cylinders were studied using the electrodiffusion method. The cylinders had an aspect ratio of 17.7 and a radius ratio of 0.5. The inner cylinder was driven with a stepping motor. The Reynolds number was in the range (113, 880). Two three-segment circular probes were imbedded with a horizontal shift of 5 mm in the wall of the outer fixed cylinder. The vortexes were swept along the probes by a slow upwards axial motion of the electrolyte solution. The axial distribution of the axial and azimuthal components of the wall shear rate was obtained and fitted by sixth-order Fourier series. The torque was calculated from the azimuthal component. The vortex ascending velocity and vortex height were evaluated from the correlation and autocorrelation functions of the measured current.
ISSN:0021-891X
1572-8838
DOI:10.1007/s10800-006-9211-2