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ISSN Online: 2379-1748

7th Thermal and Fluids Engineering Conference (TFEC)
SJR: 0.152 SNIP: 0.14 CiteScore™:: 0.5

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Clarivate CPCI (Proceedings) Scopus
May, 15-18, 2022 , Las Vegas, NV, USA

Numerical study for Erosion Prediction on a Ball control valve in a Gas Pipe using CFD code

Get access (open in a dialog) pages 1569-1579
DOI: 10.1615/TFEC2022.mph-ii.041083


Computational fluid dynamics (CFD) has been used in the past to study erosion phenomena. Erosion caused by solid particles, suspended in hydrocarbon fluid flows such as sales gas flows, can be a major concern in the oil and gas industry. Suspended solid particles such as black powder impinge on the inside surfaces of pipe walls, valve interiors, and other system components, causing wear and material removal of these components. This phenomenon can be extremely costly and significantly reduce the operational life of such components. Therefore, in situations where erosion is likely to occur, simulation and evaluation of the erosion rates become critical, to predict the lifespan or the chance of components failure. Erosion rate depends on many factors such as particle material, diameter, impact angle, component material, etc. This study describes CFD modeling of flow-through and erosion of a gas pipeline control valve for two sets of materials. It is demonstrated that CFD is an appropriate tool for erosion rate prediction, provided proper computational resources and CAD geometries are available. The turbulent fluid (air) and particle (magnetite) flow through typical gas pipeline control valves, and the resulting valve wall erosion rates are studied using computational fluid dynamics. The gas and particle velocities are found to increase fourfold from their inlet values, and an order of magnitude decrease in erosion rate could be obtained by using Stellite 12 steel valve components, compared to when carbon steel was used. Both the gas and particles accelerated from an inlet velocity of 10 m/s to a maximum of 40 m/s. The location of the maximum gas velocities, particle velocities, and erosion rates are all similar. An order of magnitude reduction in erosion rates was obtained when using Stellite 12 steel, instead of two carbon sheets of steel, for the valve materials.