Abstract ID# :	A16
Report Title:	Mathematical Modeling of Cathodic Protection of a Low Carbon Steel Pipeline in Seawater Using the Boundary Element Method
Authors:	J-F. Yan, T.V. Nguyen, R.E. White, and R.B. Griffin, Texas A&M University
Report Date:	February, 1991

The boundary element method (BEM) was used to predict the potential and current distributions for a cathodically protected low carbon steel pipeline in seawater. Laplace's equation was the governing equation, and a polarization curve for low carbon steel in artificial seawater obtained from DC- potentiodynamic measurements was used as the boundary condition. Impressed voltages, -900 mV and - 935 mV, and a voltage representing an Aluminum sacrificial anode, are applied to the pipeline. The results showed that an impressed potential of -935 mV or lower was sufficient to protect the structure.

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