Modeling the effects of solid particles in CFD-PBM simulation of slurry bubble columns

doi:10.1016/j.ces.2020.115743

	Modeling the effects of solid particles in CFD-PBM simulation of slurry bubble columns
	An, Min 1,2; Guan, Xiaoping 1; Yang, Ning 1,2
刊名	CHEMICAL ENGINEERING SCIENCE
	2020-09-21
卷号	223 页码:13
关键词	CFD-PBM simulation Bubble size distribution Hydrophilic particles Slurry bubble column Film drainage Turbulence
ISSN号	0009-2509
DOI	10.1016/j.ces.2020.115743
英文摘要	Prediction of gas holdup and bubble size distribution is of paramount importance for modeling mass and heat transfer and reactions in multiphase reactors. Addition of hydrophilic particles into gas-liquid systems usually decreases gas holdup and increases bubble size. Rational prediction is still difficult in view of the complex effects of solid particles on gas-liquid flows, e.g., the increase of slurry apparent density and viscosity, the reduced film drainage time during bubble coalescence, and the attenuation of liquid turbulent dissipation rate. This work attempts to construct a rational step-by-step approach to analyze these particle effects in CFD-PBM modeling. First, the EMMS-PBM approach is used to improve the BSD simulation in a solid-free system. Then for a gas-slurry system, we propose a correlation of attenuation factor for turbulent dissipation rate in PBM kernel models. Combining EMMS-PBM and the attenuation factor can well predict the gas holdup and BSD in slurry bubble columns. (c) 2020 Elsevier Ltd. All rights reserved.
资助项目	National Key Research and Development Program of China[2017YFE0106500] ; National Natural Science Foundation of China[91834303] ; National Natural Science Foundation of China[21925805] ; National Natural Science Foundation of China[91634203] ; National Natural Science Foundation of China[21808222] ; Chinese Academy of Sciences[XDA21030700]
WOS关键词	POPULATION BALANCE MODEL ; GAS HOLD-UP ; NUMERICAL-SIMULATION ; REGIME TRANSITION ; STABILITY CONDITION ; THEORETICAL-MODEL ; FLOW STRUCTURE ; RISE VELOCITY ; COALESCENCE ; SIZE
WOS研究方向	Engineering
语种	英语
出版者	PERGAMON-ELSEVIER SCIENCE LTD
WOS记录号	WOS:000566475900003
资助机构	National Key Research and Development Program of China ; National Natural Science Foundation of China ; Chinese Academy of Sciences
内容类型	期刊论文
源URL	[http://ir.ipe.ac.cn/handle/122111/41912]
专题	中国科学院过程工程研究所
通讯作者	Yang, Ning
作者单位	1.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China 2.Univ Chinese Acad Sci, Sch Chem Engn, Beijing 100049, Peoples R China
推荐引用方式 GB/T 7714	An, Min,Guan, Xiaoping,Yang, Ning. Modeling the effects of solid particles in CFD-PBM simulation of slurry bubble columns[J]. CHEMICAL ENGINEERING SCIENCE,2020,223:13.
APA	An, Min,Guan, Xiaoping,&Yang, Ning.(2020).Modeling the effects of solid particles in CFD-PBM simulation of slurry bubble columns.CHEMICAL ENGINEERING SCIENCE,223,13.
MLA	An, Min,et al."Modeling the effects of solid particles in CFD-PBM simulation of slurry bubble columns".CHEMICAL ENGINEERING SCIENCE 223(2020):13.