Calculation of particle volume fraction in computational fluid dynamics-discrete element method simulation of particulate flows with coarse particles

doi:10.1063/5.0176521

CORC > 力学研究所 > 中国科学院力学研究所 > 流固耦合系统力学重点实验室(2012-)

	Calculation of particle volume fraction in computational fluid dynamics-discrete element method simulation of particulate flows with coarse particles
	Zhang Y(张岩); Ren WL(任万龙); Li P(李鹏); Zhang XH(张旭辉); Lu XB(鲁晓兵)
刊名	PHYSICS OF FLUIDS
	2023-11-01
卷号	35 期号:11 页码:17
ISSN号	1070-6631
DOI	10.1063/5.0176521
通讯作者	Zhang, Xu-Hui(zhangxuhui@imech.ac.cn)
英文摘要	Computational fluid dynamics-discrete element method is frequently used for modeling particulate flows due to its high efficiency and satisfactory accuracy. The particle volume fraction is a crucial parameter that significantly affects the computation accuracy. It may be extremely large when the particulate flows contain coarse particles because it is determined by the ratio of particle volume to cell volume. In this paper, the performance of different methods, such as the divided particle volume method (DPVM), the big particle method, and the diffusion-based method, for computing the particle volume fraction is thoroughly reviewed, implemented, and investigated. It turns out that the DPVM must not be used when the particle size is larger than cell size due to significant fluctuation of the particle volume fraction field. The big particle method is optimized for simulation accuracy and code implementation. The optimized big particle method is similar to the diffusion-based method by diffusing the particle effects to the surrounding cells. It demonstrates greater consistency with experimental observations compared to the diffusion-based method, primarily attributed to its incorporation of polydisperse effects.
分类号	一类/力学重要期刊
资助项目	National Natural Science Foundation of China10.13039/501100001809[12302516] ; National Natural Science Foundation of China10.13039/501100001809[12132018] ; National Natural Science Foundation of China[XDA22000000] ; Strategic Priority Research Program of the Chinese Academy of Sciences
WOS关键词	CFD-DEM SIMULATION ; MODEL ; FORMULATIONS ; VALIDATION ; VELOCITY
WOS研究方向	Mechanics ; Physics
语种	英语
WOS记录号	WOS:001112012800010
资助机构	National Natural Science Foundation of China10.13039/501100001809 ; National Natural Science Foundation of China ; Strategic Priority Research Program of the Chinese Academy of Sciences
其他责任者	Zhang, Xu-Hui
内容类型	期刊论文
源URL	[http://dspace.imech.ac.cn/handle/311007/93788]
专题	力学研究所_流固耦合系统力学重点实验室(2012-)
作者单位	Chinese Acad Sci, Inst Mech, Beijing 100190, Peoples R China
推荐引用方式 GB/T 7714	Zhang Y,Ren WL,Li P,et al. Calculation of particle volume fraction in computational fluid dynamics-discrete element method simulation of particulate flows with coarse particles[J]. PHYSICS OF FLUIDS,2023,35(11):17.
APA	张岩,任万龙,李鹏,张旭辉,&鲁晓兵.(2023).Calculation of particle volume fraction in computational fluid dynamics-discrete element method simulation of particulate flows with coarse particles.PHYSICS OF FLUIDS,35(11),17.
MLA	张岩,et al."Calculation of particle volume fraction in computational fluid dynamics-discrete element method simulation of particulate flows with coarse particles".PHYSICS OF FLUIDS 35.11(2023):17.