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CFD–based erosion and corrosion modeling in pipelines using a high–order discontinuous Galerkin multiphase solver.

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Title: CFD–based erosion and corrosion modeling in pipelines using a high–order discontinuous Galerkin multiphase solver.
Authors: Redondo, C.1,2 (AUTHOR) carlos.redondo@upm.es, Chávez–Modena, M.1,2 (AUTHOR) m.chavez@upm.es, Manzanero, J.1,2 (AUTHOR), Rubio, G.1,2 (AUTHOR), Valero, E.1,2 (AUTHOR), Gómez–Álvarez, S.3 (AUTHOR), Rivero–Jiménez, A.3 (AUTHOR)
Source: Wear. Aug2021, Vol. 478, pN.PAG-N.PAG. 1p.
Subjects: Pipeline corrosion, Material erosion, Spectral element method, Computational fluid dynamics, Arthritis, Pipe flow
Abstract: We present a Computational Fluid Dynamics (CFD)–based methodology for the modeling of erosion and corrosion in hydrocarbon pipes. The novelty of this work is the use of a high–order Discontinuous Galerkin Spectral Element Method (DGSEM) approximation of the incompressible Navier–Stokes/Cahn–Hilliard model for the CFD simulation. This technique permits a very detailed three dimensional representation of the flow regime, phases distribution and contact surfaces that conform the pipe, which results in accurate computations of erosion and corrosion rates and distribution over the pipeline surface. The developed methodology is validated with experiments relevant for oil and gas industry. In particular, we simulate the erosion in a one–phase ascending pipe with two elbows and the corrosion in a two–phase pipe under several flow regimes. • CFD-based wear prediction in pipelines with a phase field multiphase model. • Phase field model discretized with high-order discontinuous Galerkin method. • Model capabilities are demonstrated through comparisons with experiments. • Erosion is predicted in a one-phase ascending pipe with two elbows. • Corrosion is predicted in a two-phase straight pipe for several flow regimes. [ABSTRACT FROM AUTHOR]
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Database: Engineering Source
Description
Abstract:We present a Computational Fluid Dynamics (CFD)–based methodology for the modeling of erosion and corrosion in hydrocarbon pipes. The novelty of this work is the use of a high–order Discontinuous Galerkin Spectral Element Method (DGSEM) approximation of the incompressible Navier–Stokes/Cahn–Hilliard model for the CFD simulation. This technique permits a very detailed three dimensional representation of the flow regime, phases distribution and contact surfaces that conform the pipe, which results in accurate computations of erosion and corrosion rates and distribution over the pipeline surface. The developed methodology is validated with experiments relevant for oil and gas industry. In particular, we simulate the erosion in a one–phase ascending pipe with two elbows and the corrosion in a two–phase pipe under several flow regimes. • CFD-based wear prediction in pipelines with a phase field multiphase model. • Phase field model discretized with high-order discontinuous Galerkin method. • Model capabilities are demonstrated through comparisons with experiments. • Erosion is predicted in a one-phase ascending pipe with two elbows. • Corrosion is predicted in a two-phase straight pipe for several flow regimes. [ABSTRACT FROM AUTHOR]
ISSN:00431648
DOI:10.1016/j.wear.2021.203882