Corrosion of a Rotating Iron Disk in Laminar, Transition, and Fully Developed Turbulent Flow

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Abstract
Electrochemical corrosion generally involves the interaction of numerous phenomena. A model is presented which accounts for the different hydrodynamic regimes across the surface, ohmic potential variations, and the simultaneous occurrence of oxygen reduction and oxidation of iron. The active‐passive transition for iron is presumed to occur at a specific value of the electrode potential. Results illustrate the importance of disk size, oxygen concentration, and solution conductivity upon the corrosion rate distribution. The calculations also compare well with the experimental results of LaQue.

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