A numerical technique, the boundary element method (BEM), has been used to calculate the potential field at any point in the electrolyte at which a copper-zinc bielectrode is immersed. The only input data required for the calculation are the resistivity of the electrolyte and an arbitrary function describing the polarization characteristics of the electrodes. The validity of this technique is demonstrated by comparing the results obtained via calculation by this method with experimental determinations of the potential field using a probe electrode. The usefulness of the technique is demonstrated by calculations of the variation of potentials measured at points remote from the electrode surface with (1) electrolyte resistivity, (2) distance from the electrode, and (3) electrode geometry.

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National Association of Corrosion Engineers
1986
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