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51313-02480-CFD Based Analysis of Multiphase Flows in Bends of Large Diameter Pipelines

Product Number: 51313-02480-SG
ISBN: 02480 2013 CP
Author: Marius Paraschivoiu
Publication Date: 2013
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$20.00
$20.00

This paper describes a computational fluid dynamics (CFD) analysis which was performed to predict the characteristics of the dominant multiphase flow regime in over-bends and under-bends of a typical large-diameter heavy crude oil pipeline. Based on the field indirect inspection results it was concluded that over-bends are usually prone to localized pitting corrosion but the root-cause of this phenomena is not clear and is yet to be investigated.

In this study the effect of crude API density water to oil flow-rate ratio (water-cut) as well as pipeline internal diameter inclination angle and total flow rate on the risk for localized pitting corrosion will be investigated based on numerical simulation of the flow. The multiphase flow pattern inside the pipeline for different sets of operational conditions will be studied and sites susceptible to water and solids accumulation based on the obtained local velocity profile and pipeline terrain and inclination angle profiles will be determined. 
 

This paper describes a computational fluid dynamics (CFD) analysis which was performed to predict the characteristics of the dominant multiphase flow regime in over-bends and under-bends of a typical large-diameter heavy crude oil pipeline. Based on the field indirect inspection results it was concluded that over-bends are usually prone to localized pitting corrosion but the root-cause of this phenomena is not clear and is yet to be investigated.

In this study the effect of crude API density water to oil flow-rate ratio (water-cut) as well as pipeline internal diameter inclination angle and total flow rate on the risk for localized pitting corrosion will be investigated based on numerical simulation of the flow. The multiphase flow pattern inside the pipeline for different sets of operational conditions will be studied and sites susceptible to water and solids accumulation based on the obtained local velocity profile and pipeline terrain and inclination angle profiles will be determined. 
 

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