Relationship between wear formation and large-particle motion in a pipe bend.

ABSTRACT: Fine and large particles flowing through a bend in a pipe move differently and therefore erode the pipe differently. This paper simulates solid-liquid two-phase flow containing large particles in a bend and analyses the relationship between the wear formation and particle motion. Wear experiments are carried out using 3-mm glass bead particles at a mass concentration of 1-15%. At the same time, the flow field and the motion of the granular system are obtained in computational fluid dynamics-discrete element method simulation. The wear formation mechanism is revealed by comparing experiments with numerical simulations. The wear rate of the wall surface increases with the mass concentration, while the marginal growth rate decreases as the mass concentration increases. As the mass concentrati

SUBMITTER: Li Y 

PROVIDER: S-EPMC6366184 | biostudies-literature | 2019 Jan

REPOSITORIES: biostudies-literature