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EMMS-based modeling of gas-solid generalized fluidization: Towards a unified phase diagram
Liu, Juanbo1,2; Liu, Xinhua1,3; Ge, Wei1,2,3
2021
Source PublicationCHINESE JOURNAL OF CHEMICAL ENGINEERING
ISSN1004-9541
Volume29Issue:1Pages:27-34
AbstractHydrodynamic features of gas-solid generalized fluidization can be well expressed in the form of phase diagrams, which are important for engineering design. Mesoscale structure presents almost universally in generalized fluidization and should be considered in such phase diagrams. However, current phase diagrams were mainly proposed for cocurrent upward flow according to experimental data or empirical correlations with homogeneous assumption. The energy-minimization multiscale (EMMS) model has shown the capability of capturing meso-scale structure in generalized fluidization, so EMMS-based phase diagrams of generalized fluidization were proposed in this article, which describe more reasonable global hydrodynamics over all regimes including the important engineering phenomena of choking and flooding. These characteristics were also found in discrete particle simulation under various conditions. For wider range of application, the typical hydrodynamic parameters of the phase diagrams were correlated to non-dimensional numbers reflecting the effects of material properties and operation conditions. This study thus shows a possible route to develop a unified phase diagram in the future. (C) 2020 The Chemical Industry and Engineering Society of China, and Chemical Industry Press Co., Ltd. All rights reserved.
KeywordFluidization Phase diagram Dimensionless correlation Mesoscale Mathematical modeling EMMS
DOI10.1016/j.cjche.2020.07.057
Language英语
Funding ProjectStrategic Priority Research Programof the Chinese Academy of Sciences[XDA21040400] ; Innovation Academy for Green manufacture, the Chinese Academy of Sciences[IAGM-2019-A03] ; National Natural Science Foundation of China[91834303]
WOS Research AreaEngineering
WOS SubjectEngineering, Chemical
Funding OrganizationStrategic Priority Research Programof the Chinese Academy of Sciences ; Innovation Academy for Green manufacture, the Chinese Academy of Sciences ; National Natural Science Foundation of China
WOS IDWOS:000636564100003
PublisherCHEMICAL INDUSTRY PRESS CO LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/48359
Collection中国科学院过程工程研究所
Corresponding AuthorLiu, Xinhua; Ge, Wei
Affiliation1.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
3.Dalian Natl Lab Clean Energy, Dalian 116023, Peoples R China
Recommended Citation
GB/T 7714
Liu, Juanbo,Liu, Xinhua,Ge, Wei. EMMS-based modeling of gas-solid generalized fluidization: Towards a unified phase diagram[J]. CHINESE JOURNAL OF CHEMICAL ENGINEERING,2021,29(1):27-34.
APA Liu, Juanbo,Liu, Xinhua,&Ge, Wei.(2021).EMMS-based modeling of gas-solid generalized fluidization: Towards a unified phase diagram.CHINESE JOURNAL OF CHEMICAL ENGINEERING,29(1),27-34.
MLA Liu, Juanbo,et al."EMMS-based modeling of gas-solid generalized fluidization: Towards a unified phase diagram".CHINESE JOURNAL OF CHEMICAL ENGINEERING 29.1(2021):27-34.
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