NDLI: CFD Multi-Phase Flow Analysis Across Diverging Manifolds: Application in the Oil-Gas Industry

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Croquer, Sergio Vieiro, Joaquin Chacon, Carlos Asuaje, Miguel
Copyright Year	2014
Abstract	This investigation assessed detailed characteristics of flow in diverging manifolds, for water and water-oil cases. A 3D Computational Fluid Dynamics (CFD) model of a distributing manifold was carried out. Numerical results showed good agreement with experimental values. Predicted pressure and velocity contours agree with theory, detailed 3D insight on present secondary flows and localized hydraulic losses was obtained, as well as effect on distribution of phases. Moreover, a 3D, multi-phase (oil-water) CFD model of a diverging manifold design, similar to those installed in separation units was conducted. The main pipe had 0.762 m (30 in) in diameter and 24 m in length, with 8 perforated pipes branching out. Branches had 0.305 m (12 in) in diameter and 12 m in length, with 312 holes per branch. Non-uniform outflow distributions were detected, as well as secondary flows. An alternate design was proposed. Numerical results show the new manifold design achieves uniform static pressure distribution across the entire main pipe, reducing secondary flows and hydraulic losses. Outflow distribution is also uniform, thus improving the performance of the separation unit.
File Format	PDF
ISBN	9780791849545
DOI	10.1115/IMECE2014-36681
Volume Number	Volume 7: Fluids Engineering Systems and Technologies
Conference Proceedings	ASME 2014 International Mechanical Engineering Congress and Exposition
Language	English
Publisher Date	2014-11-14
Publisher Place	Montreal, Quebec, Canada
Access Restriction	Subscribed
Subject Keyword	Manifolds Design Water Computational fluid dynamics Multiphase flow Outflow Separation (technology) Flow (dynamics) Pipes Pressure
Content Type	Text
Resource Type	Article

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