Print Email Facebook Twitter The Influence of Particle Size on Sliding Wear of a Convex Pattern Surface Title The Influence of Particle Size on Sliding Wear of a Convex Pattern Surface Author Yan, Y. (TU Delft Transport Engineering and Logistics) Helmons, R.L.J. (TU Delft Offshore and Dredging Engineering) Schott, D.L. (TU Delft Transport Engineering and Logistics) Date 2022 Abstract Sliding wear of bulk handling equipment (e.g., shovel bucket, mill and transfer chute) can be dramatically reduced by using a convex pattern surface compared to a flat surface, by adjusting the flow behavior of particles moving along the convex pattern surface. To study the effect of particle size relative to the dimensions of the convex pattern surface, a coarse graining technique is applied. Comparisons of bulk flow and wear behavior between the convex pattern and flat surfaces illustrate the two-sided effect of the convex pattern surface on sliding wear. The bulk flow behavior indicates that the particle size has a minor effect on the velocity and angular velocity of particles for the flat surface, while it has a significant effect on those of the convex pattern surface. The wear results show that the particle size has negligible influence on the sliding wear of a flat surface and a linear relationship with the sliding wear of the convex pattern surface. The convex pattern surface can reduce the sliding wear through influencing the flow behavior of the bulk material when the equivalent radius of the convex is larger than r50 of particles. This research reveals the relationship between the dimensions of the convex pattern and the particle size on the sliding wear caused by the interaction between bulk material and bulk handling equipment. The relationship should be carefully considered for the applications of the convex pattern surface to bulk handling equipment. Subject particle sizecoarse grainingsliding wearconvex pattern surfaceinteraction To reference this document use: http://resolver.tudelft.nl/uuid:20940c71-6526-4f3d-b184-e71cfe702e30 DOI https://doi.org/10.3390/min12020139 ISSN 2075-163X Source Minerals - Open Access Mining & Mineral Processing Journal, 12 (2) Part of collection Institutional Repository Document type journal article Rights © 2022 Y. Yan, R.L.J. Helmons, D.L. Schott Files PDF minerals_12_00139.pdf 2.93 MB Close viewer /islandora/object/uuid:20940c71-6526-4f3d-b184-e71cfe702e30/datastream/OBJ/view