Research on the flow velocity characteristics of oil contaminated with particulates using PIV

Purpose The paper aims to clarify the influence of the equivalent particles number (EPN) change on the flow velocity characteristic. Design/methodology/approach The paper opted for an exploratory study using PIV technology to obtain the transient flow toxicity vector of oil in the square pipeline. Findings The paper provides empirical insights about the influence of EPN on the flow average velocity which is most prominent in the middle of the pipeline, and smaller EPN values have a greater impact. Originality/value These influence laws of EPN can be used to obtain the dynamic characteristics of oil, which provides theoretical support for oil pollution control and effective treatment measures and lays a preliminary foundation for the online monitoring of particles in oil.