Combination of CFD and DOE to analyse solid particle erosion in elbows

P. Frawley, J. Corish, A. Niven, M. Geron

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

Solid particle erosion is a major concern in the engineering industry, particularly where transport of slurry flow is involved. Such flow regimes are characteristic of those in alumina refinement plants. The entrainment of particulate matter, for example sand, in the Bayer liquor can cause severe erosion in pipe fittings, especially in those which redirect the flow. The considerable costs involved in the maintenance and replacement of these eroded components led to an interest in research into erosion prediction by numerical methods at Rusal Aughinish alumina refinery, Limerick, Ireland, and the University of Limerick. The first stage of this study focused on the use of computational fluid dynamics (CFD) to simulate solid particle erosion in elbows. Subsequently an analysis of the factors that affect erosion of elbows was performed using design of experiments (DOE) techniques. Combining CFD with DOE harnesses the computational power of CFD in the most efficient manner for prediction of elbow erosion. An analysis of the factors that affect the erosion of elbows was undertaken with the intention of producing an erosion prediction model.
Original languageEnglish
Pages (from-to)411-426
Number of pages16
JournalInternational Journal of Computational Fluid Dynamics
Volume23
Issue number5
DOIs
Publication statusPublished - 01 Jun 2009

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