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Topography analysis of particle velocity distribution function in gas-solid flow
Zhao, Bidan1,2; Wang, Junwu1
2019-04-06
Source PublicationCHEMICAL ENGINEERING SCIENCE
ISSN0009-2509
Volume197Pages:69-73
AbstractParticle velocity distribution function (PVDF) is key to kinetic theory of granular flow. Studies have shown that the PVDFs in gas-solid flow can be Maxwellian, bimodal and/or non-Maxwellian with an overpopulated high-energy tail. In this short communication, topography analysis was carried out to elucidate the mathematical nature of bimodal distribution. It was shown that both of the non-Maxwellian distribution with an overpopulated high-energy tail and the Maxwellian distribution are special cases of bimodal distribution, therefore, bimodal distribution can be used as the starting point of developing a unified kinetic theory for gas-solid flow. Furthermore, the constrained conditions for the transition from bimodal distribution to the non-Maxwellian distribution with an overpopulated high-energy tail were identified. (C) 2018 Elsevier Ltd. All rights reserved.
KeywordFluidization Gas-solid flow Kinetic theory Granular flow Particle velocity distribution function Topography analysis
DOI10.1016/j.ces.2018.11.054
Language英语
WOS KeywordMOTT-SMITH METHOD ; NUMERICAL-SIMULATION ; 2-FLUID MODEL ; SHOCK ; EXTENSION
Funding ProjectNational Natural Science Foundation of China[21422608] ; Key Research Program of Frontier Sciences, Chinese Academy of Sciences[QYZDJ-SSW-JSC029] ; Strategic Priority Research Program, Chinese Academy of Sciences[XDA21030700] ; State Key Laboratory of Multiphase Complex Systems Facility Upgradation Program
WOS Research AreaEngineering
WOS SubjectEngineering, Chemical
Funding OrganizationNational Natural Science Foundation of China ; Key Research Program of Frontier Sciences, Chinese Academy of Sciences ; Strategic Priority Research Program, Chinese Academy of Sciences ; State Key Laboratory of Multiphase Complex Systems Facility Upgradation Program
WOS IDWOS:000457634000006
PublisherPERGAMON-ELSEVIER SCIENCE LTD
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Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/27952
Collection中国科学院过程工程研究所
Corresponding AuthorWang, Junwu
Affiliation1.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, POB 353, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Sch Chem Engn, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Zhao, Bidan,Wang, Junwu. Topography analysis of particle velocity distribution function in gas-solid flow[J]. CHEMICAL ENGINEERING SCIENCE,2019,197:69-73.
APA Zhao, Bidan,&Wang, Junwu.(2019).Topography analysis of particle velocity distribution function in gas-solid flow.CHEMICAL ENGINEERING SCIENCE,197,69-73.
MLA Zhao, Bidan,et al."Topography analysis of particle velocity distribution function in gas-solid flow".CHEMICAL ENGINEERING SCIENCE 197(2019):69-73.
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