A Computational-Fluid-Dynamics-Based Eulerian-Granular Approach for Characterization of Sand Erosion in Multiphase-Flow Systems
- Yaojun Lu (FMC Technologies Incorporated) | Madhusuden Agrawal (Ansys)
- Document ID
- Society of Petroleum Engineers
- SPE Journal
- Publication Date
- August 2014
- Document Type
- Journal Paper
- 586 - 597
- 2013. Society of Petroleum Engineers
- 5.2.2 Fluid Modeling, Equations of State, 5.3.2 Multiphase Flow, 4.2.3 Materials and corrosion
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- 422 since 2007
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This paper presents a computational-fluid-dynamics (CFD)-basedEulerian-Granular approach for characterizing erosion wear in multiphase-flowsystems. In contrast to the conventional CFD-based Eulerian-Lagrangianapproach, the Eulerian-Granular approach takes account of multiphase dynamicson the basis of the multifluid concept and the kinetic theory; therefore, amore realistic erosion prediction can be achieved. Both the benchmark study andtypical applications have demonstrated the effectiveness of the CFD-basedEulerian-Granular approach from dilute to condensed flow systems. Unlike theconventional CFD-based Eulerian-Lagrangian approach and the spreadsheet-basedempirical approach, which tend to provide a risky erosion prediction, theCFD-based Eulerian-granular approach is able to capture detailed flow and phaseredistribution effects as well as particle/particle interaction involved inmultiphase-flow systems. Because fewer assumptions have been made, a morerealistic prediction can be expected. The CFD-based Eulerian-Granular approachdescribed in this paper can serve as a general instrument for erosion analysisin multiphase-flow systems, and thus deserves more attention in the erosioncommunity.
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