To properly understand the necessary steps in implementing corrosion modeling into existing CFD software, it is necessary to verify the accuracy of the corrosion predictions made by the software. To do this, simulations are created that replicate experimental work performed in well understood geometries. The corrosion models are implemented in these simulations, and the resulting corrosion rates, as well as hydrodynamic and mass transfer characterizations, are compared to results from the experimental work. Presented herein is work investigating corrosion phenomena in a thin channel flow cell apparatus, as well as single phase straight pipe flow. In both geometries hydrodynamics, mass transfer, and electrochemistry have been simulated at a variety of conditions; the accuracy of the results were confirmed through comparison with experimental data and well tested correlations. Both geometries showed a high degree of agreement between the simulations and the experimental work, indicating that the methodology is viable to be used in other geometries.

Subject
Acids, Piping, Correlation, Modeling, Geometry, Corrosion rate, Flow velocity, Electrochemical reactions, Corrosion reactions, Acidity, Mass transfer, Experimental data, Chemical reactions
Keywords:
Corrosion mechanisms, Corrosion rate, Oil and gas, Carbon dioxide, CFD
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2024
Association for Materials Protection and Performance (AMPP)
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