Validation of Modern CFD Software in Various Experimental and Complex Flow Geometries

Abstract Models are widely used to predict corrosion in pipelines to assist in the development and implementation of appropriate mitigation strategies. These models often rely on dimensionless number mass transfer correlations to account for the fluid flow and associated mass transfer in pipelines. They exist for a limited number of geometries and conditions, mainly single phase, straight pipe flow. By implementing corrosion models into CFD software, the goal is to bypass the necessity of the mass transfer correlations and allow for corrosion predictions in a wider range of geometries. The key issues with the utilization of CFD software for corrosion prediction in complex geometries are the method of implementation and confidence in the results obtained. Using simulations that replicate systems where experimental data has also been obtained allows for direct comparison of the experimental data with predictions obtained from the simulations. The geometries investigated in this paper show a high degree of agreement between the simulations and the experimental work and correlations, indicating that the methodology is viable to be used in other geometries. The overall goal is to develop a procedure for implementing CO2 corrosion into CFD software and demonstrate the accuracy of the results obtained.