The cohesive solids in liquid flows are featured by the dynamic growth and breakage of agglomerates
and the difficulties in the development
design and optimization of these systems are related to this significant feature. In this paper
discrete particle method is used to simulate a solid-liquid flow system including millions of cohesive particles
the growth rate and breakage rate of agglomerates are then systematically investigated. It was found that the most probable size of the agglomerates is determined by the balance of growth and breakage of the agglomerates the cross point of the lines of growth rate and breakage rate as a function of the particle numbers in an agglomerate
marks the most stable agglomerate size. The finding here provides a feasible way to quantify the dynamic behaviors of growth and breakage of agglomerates
and therefore offers the possibility of quantifying the effects of agglomerates on the hydrodynamics of fluid flows with cohesive particles.
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相关作者
Taiping Chen
Chenyu Yang
Shaowei Wang
Huanpeng Liu
Qingshan Huang
Qingshan Zhu
Hongzhong Li
Quanhong Zhu
相关机构
School of Energy Science and Engineering, Harbin Institute of Technology
Institute of Process Engineering, Chinese Academy of Sciences
2 Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences
3 University of Chinese Academy of Sciences
Hunan Provincial Key Laboratory of Efficient and Clean Utilization of Manganese Resources, College of Chemistry and Chemical Engineering, Central South University