Numerical modelling of carbon dioxide leakage from an offshore pipeline
by Victoria Smirnova; Antonie Oosterkamp
Progress in Computational Fluid Dynamics, An International Journal (PCFD), Vol. 16, No. 4, 2016

Abstract: A three-dimensional transient computational model was developed to simulate the break up of carbon dioxide escaping from a pipeline leak to the seawater. Important physical phenomena such as turbulence and mass transfer during evaporation of the initially liquid CO₂ stream are included in the model. Sensitivity of the model for mesh size, turbulence model and the order of the spatial discretisation scheme are shown for different scenarios. A three stage approach is used to achieve sufficient level of convergence for the transient multiphase turbulent flow simulation using the Span and Wagner equation of state and a high-order discretisation schemes. The scenarios considered in this study include a wide range of pipeline operating pressure, ambient seawater depth and leakage size.

Online publication date: Tue, 28-Jun-2016

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