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Extending the EMMS-bubbling model to fluidization of binary particle mixture: Parameter analysis and model validation

文献类型：期刊论文

作者Ahmad, Nouman1; Tong, Ying1,2; Lu, Bona1,2,3; Wang, Wei1,2
刊名CHEMICAL ENGINEERING SCIENCE
出版日期2019-06-08
卷号200页码:257-267
关键词Binary mixture Fluidization EMMS Segregation Drag CFD
ISSN号0009-2509
DOI10.1016/j.ces.2019.02.016
英文摘要Bubbling fluidized beds with binary particle mixture have broad industrial applications. The difference in particle size/density leads to segregation phenomenon thus should be taken into account in modeling. In this work, we propose a binary EMMS-bubbling drag model by considering such difference and formation of bubbles which are associated with solid segregation. The model is validated through simulation of two fluidized beds with different binary particle mixtures. The new drag model is found to enable capturing the pronounced movement of bubbles, thus well predicts the segregation behavior, while using conventional drag leads to over-mixing of different particles. (C) 2019 Elsevier Ltd. All rights reserved.
WOS关键词GAS-SOLID FLOWS ; SIZE DISTRIBUTION ; CFD SIMULATIONS ; SEGREGATION ; BED ; DRAG ; RISERS ; HYDRODYNAMICS ; EXTENSION
资助项目CAS-TWAS ; National Natural Science Foundation of China[21576263] ; National Natural Science Foundation of China[21625605] ; National Natural Science Foundation of China[91834302] ; "Transformational Technologies for Clean Energy and Demonstration", Strategic Priority Research Program of the Chinese Academy of Sciences[XDA21030700] ; Chinese Academy of Sciences[XXH13506-301] ; Youth Innovation Promotion Association of Chinese Academy of Sciences[2015033]
WOS研究方向Engineering
语种英语
WOS记录号WOS:000461418000023
出版者PERGAMON-ELSEVIER SCIENCE LTD
资助机构CAS-TWAS ; National Natural Science Foundation of China ; "Transformational Technologies for Clean Energy and Demonstration", Strategic Priority Research Program of the Chinese Academy of Sciences ; Chinese Academy of Sciences ; Youth Innovation Promotion Association of Chinese Academy of Sciences
源URL[http://ir.ipe.ac.cn/handle/122111/28163]  
专题中国科学院过程工程研究所
通讯作者Lu, Bona
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, Sinodanish Coll, Beijing 100049, Peoples R China
3.Dalian Natl Lab Clean Energy, Dalian 116023, Peoples R China
推荐引用方式
GB/T 7714		 Ahmad, Nouman,Tong, Ying,Lu, Bona,et al. Extending the EMMS-bubbling model to fluidization of binary particle mixture: Parameter analysis and model validation[J]. CHEMICAL ENGINEERING SCIENCE,2019,200:257-267.
APA Ahmad, Nouman,Tong, Ying,Lu, Bona,&Wang, Wei.(2019).Extending the EMMS-bubbling model to fluidization of binary particle mixture: Parameter analysis and model validation.CHEMICAL ENGINEERING SCIENCE,200,257-267.
MLA Ahmad, Nouman,et al."Extending the EMMS-bubbling model to fluidization of binary particle mixture: Parameter analysis and model validation".CHEMICAL ENGINEERING SCIENCE 200(2019):257-267.

入库方式： OAI收割

来源：过程工程研究所

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