Quantification of erosion distributions in complex geometries

Development and validation of improved erosion models demands accurate, high resolution measurement techniques to quantify the distribution of erosion over large-scale and/or complex geometries. However, current sophisticated geometric scanning equipment is mostly used to examine small-scale erosion...

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Bibliographic Details
Published in:Wear 2010-03, Vol.268 (9), p.1066-1071
Main Authors: Graham, L.J.W., Lester, D.R., Wu, J.
Format: Article
Language:English
Subjects:
Applied sciences
Complex geometry
Coordinate measuring machines
Elbows
Erosion
Erosion mechanisms
Exact sciences and technology
Friction, wear, lubrication
Industrial metrology. Testing
Intrusion
Machine components
Mathematical models
Mechanical engineering. Machine design
Metrology
Modelling
Pipe
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Summary:Development and validation of improved erosion models demands accurate, high resolution measurement techniques to quantify the distribution of erosion over large-scale and/or complex geometries. However, current sophisticated geometric scanning equipment is mostly used to examine small-scale erosion scars, and such techniques are not applicable when researching the erosion of complex or large-scale samples. To address this limitation, we consider alternative metrology technologies for erosion quantification, including 3D laser scanners and coordinate measuring machines (CMM). Erosion experiments were performed on both a pipe elbow and a cylindrical intrusion in a pipe, and the erosion distributions were quantified with a CMM. The results for the pipe elbow and cylindrical intrusion agree well with paint modelling tests and computation fluid dynamics erosion predictions, respectively, suggesting that these metrology techniques represent a useful tool for erosion research and industrial appraisal.
ISSN:0043-1648
1873-2577
DOI:10.1016/j.wear.2010.01.011