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51315-6107-Simulating Pipeline Flow Using the Rotating Cage Method

Picture for Simulating Pipeline Flow Using the Rotating Cage Method
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Product Number: 51315-6107-SG
ISBN: 6107 2015 CP
Author: Muhammad Arafin
Publication Date: 2015
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The Rotating Cage is a standardized methodology for investigating the corrosion of metals under flowing conditions. As such it can be used as a comparative method for screening inhibitors or identifying the differences in the corrosion-inhibitory properties of different crude oils as well as simulating flowing pipeline hydrodynamics. It is a complimentary technique to the rotating column electrode and jet impingement method. Whilst it does not permit in situ measurements it has a distinct advantage over other methods: whilst average corrosion rates are determined through mass loss the relatively large surface area of the specimens permits statistical analysis of localized corrosion phenomena monitored through techniques such as laser profilometry.In this article we seek to build upon earlier work both experimental and theoretical in order to better understand the fluid dynamics of the rotating cage method. Computational fluid dynamics simulations were used to conduct a parametric study that investigated the dependence of the wall shear stress as a function of several variables including: rotational velocity temperature fluid viscosity and density for the standardized rotating cage test equipment. The wall shear stress is commonly used to relate experimental test conditions to flowing pipelines thus the current study confirms the value of the rotating cage method in simulating pipeline flow.
The Rotating Cage is a standardized methodology for investigating the corrosion of metals under flowing conditions. As such it can be used as a comparative method for screening inhibitors or identifying the differences in the corrosion-inhibitory properties of different crude oils as well as simulating flowing pipeline hydrodynamics. It is a complimentary technique to the rotating column electrode and jet impingement method. Whilst it does not permit in situ measurements it has a distinct advantage over other methods: whilst average corrosion rates are determined through mass loss the relatively large surface area of the specimens permits statistical analysis of localized corrosion phenomena monitored through techniques such as laser profilometry.In this article we seek to build upon earlier work both experimental and theoretical in order to better understand the fluid dynamics of the rotating cage method. Computational fluid dynamics simulations were used to conduct a parametric study that investigated the dependence of the wall shear stress as a function of several variables including: rotational velocity temperature fluid viscosity and density for the standardized rotating cage test equipment. The wall shear stress is commonly used to relate experimental test conditions to flowing pipelines thus the current study confirms the value of the rotating cage method in simulating pipeline flow.
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Picture for Appropriate Rotating Cage Speed for Testing Inhibitors Under Field Simulated Flow Conditions
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Appropriate Rotating Cage Speed for Testing Inhibitors Under Field Simulated Flow Conditions

Product Number: 51317--9148-SG
ISBN: 9148 2017 CP
Author: Xiaoji Li
Publication Date: 2017
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This paper presents preliminary computational fluid dynamics and experimental results from a systematic study designed to show how the above mentioned empirical “rotating cage” equation correlates with the average or maximum wall shear stress on the rotating coupons, at different conditions.
Picture for Evaluation of corrosion inhibitor with high speed rotating cage
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51318-10903-Evaluation of corrosion inhibitor with high speed rotating cage

Product Number: 51318-10903-SG
Author: Susumu HIRANO, Toshiyuki SUNABA and Takashi ITO
Publication Date: 2018
$20.00

Three brands of oil-soluble water-dispersible inhibitors were evaluated with the rotating cage autoclave (RCA). Some inhibitors showed enough efficiency at high rotating speed but the others require more dosage to maintain the same result.

 
Picture for 01061 Rotating Cage - Top Ranked Methodology
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01061 Rotating Cage - Top Ranked Methodology for Inhibitor Evaluation and Qualification for Pipeline Applications

Product Number: 51300-01061-SG
ISBN: 01061 2001 CP
Author: Sankara Papavinasam, R.Winston Revie, Michael Attard, Alebaehew Demoz, John C. Donini, and Kirk Mich
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