Transient numerical simulation for solid-liquid flow in a centrifugal pump by DEM-CFD coupling
作者： Si Huang , Xianghui Su , Guangqi Qiu
DOI: 10.1080/19942060.2015.1048619
关键词:
摘要: The two-phase solid-liquid flow in the computational fluid dynamic (CFD) method is generally analyzed by treating solid particles as a quasi-fluid element, but this does not take into account effects of physical features and collisions among particles. In study, discrete element (DEM) was coupled with CFD order to analyze transient single-stage centrifugal pump consideration for particle-particle particle-structure interactions. numerical simulation process involving EDEM FLUENT described. Simulations were performed water at 25℃ continuous phase together 15% volume spherical (density ρ = 1500 kg/m3) diameter ranging from 1 3 mm random order. results illustrate motion their effect on performance terms time variation head. velocity fi...
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