Deng, T. ORCID: 0000-0003-4117-4317, Bingley, M.S., Bradley, M.S.A. and De Silva, S.R. (2008) A comparison of the gas-blast and centrifugal-accelerator erosion testers: The influence of particle dynamics. Wear, 265 (7-8). pp. 945-955. ISSN 0043-1648 (doi:https://doi.org/10.1016/j.wear.2008.02.017)

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Abstract

The gas-blast and centrifugal-accelerator testers are the two most commonly used erosion testers. An experimental and analytical study was made of the effect of particle characteristics (size, shape and concentration) on particle dynamics in each of these testers. Analysis showed that in the gas-blast tester both particle velocity and the dispersion angle of the particle jet were relatively sensitive to the particle characteristics. Particle characteristics, within the ranges studied, had little influence in the centrifugal accelerator tester. Consequently, during an erosion test, the range of particle velocities and dispersion angles in the gas-blast tester ismuch wider than in the centrifugal-accelerator tester. It was concluded that the centrifugal-accelerator tester gave closer control of the important erosion test parameters and therefore more consistent erosion test measurements. However, one drawback of the centrifugal-accelerator tester is the need to account for erosion effects associated with the impact of rotating particles, an inherent feature of this tester.

Item Type:	Article
Additional Information:	[1] First published online: 16 April 2008. [2] Published in print: 20 September 2008. [3] Published as: Wear, (2008), Vol. 265, (7–8), pp. 945–955.
Uncontrolled Keywords:	gas-blast erosion tester, centrifugal-accelerator erosion tester, solid particle erosion, particle dynamics, modelling
Subjects:	T Technology > T Technology (General) T Technology > TA Engineering (General). Civil engineering (General)
Faculty / School / Research Centre / Research Group:	Faculty of Engineering & Science > Wolfson Centre for Bulk Solids Handling Technology
Related URLs:	Publisher Organisation
Last Modified:	28 Jan 2020 10:25
URI:	http://gala.gre.ac.uk/id/eprint/2647

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