A phenomenological model for erosion of material in a horizontal slurry pipeline flow

Based on the turbulent flow theory and a single particle erosion model developed by Huang et al. (2008) [9], a comprehensive phenomenological model for erosion of material in slurry pipeline flow is developed. This model captures the effects of particle shape, particle size, slurry mean velocity, pi...

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Veröffentlicht in:Wear 2010-06, Vol.269 (3), p.190-196
Hauptverfasser: Huang, Cunkui, Minev, P., Luo, Jingli, Nandakumar, K.
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container_title Wear
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creator Huang, Cunkui
Minev, P.
Luo, Jingli
Nandakumar, K.
description Based on the turbulent flow theory and a single particle erosion model developed by Huang et al. (2008) [9], a comprehensive phenomenological model for erosion of material in slurry pipeline flow is developed. This model captures the effects of particle shape, particle size, slurry mean velocity, pipe diameter, fluid viscosity and the properties of target material. The model shows that the erosion rate has a power-law relation with slurry mean velocity, particle size, pipe diameter, fluid viscosity and solid concentration. The erosion rate depends strongly on the slurry mean velocity and weakly on pipe diameter and fluid viscosity. The exponent of slurry mean velocity varies in a range of 2–3.575, which is consistent with most of the experiments. The model also elucidates that the effect of particle size on erosion rate depends on the particle shape, flow condition and erosion location on the periphery of a pipe. To test the model developed, a simplified version was used to compare with the experiments conducted by Karabelas. Both of them are in good agreement.
doi_str_mv 10.1016/j.wear.2010.03.002
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source ScienceDirect Journals (5 years ago - present)
subjects Applied sciences
Computational fluid dynamics
Erosion
Erosion models
Erosion rate
Exact sciences and technology
Fluid flow
Friction, wear, lubrication
Fundamental areas of phenomenology (including applications)
Inelasticity (thermoplasticity, viscoplasticity...)
Machine components
Mechanical engineering. Machine design
Particle impact
Physics
Pipe
Slurries
Slurry pipeline flow
Solid mechanics
Structural and continuum mechanics
Turbulence
Turbulent flow
title A phenomenological model for erosion of material in a horizontal slurry pipeline flow
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