Transient Natural Convection near a Plane Vertical Electrode Surface after Reversing the Electrolytic Current
- 1 June 1981
- journal article
- Published by The Electrochemical Society in Journal of the Electrochemical Society
- Vol. 128 (6) , 1274-1280
- https://doi.org/10.1149/1.2127606
Abstract
Time variations of the concentration profile of and of the velocity profile of laminar natural convective flow were measured near the electrode surface during the transient electrolysis after reversing the current. A symmetrical transient variation of natural convection was observed after anodic and cathodic current reversions. It was found that the concentration profile possesses an extreme value, and the inverted flow appears near the electrode surface. The effects of current density and vertical location on the natural convection were discussed. Based on the experimental results, the space‐time structure of the transient natural convection was considered.Keywords
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