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Aggregative and particulate fluidization - The two extremes of a continuous spectrum
Alternative TitleChem. Eng. Sci.
Liu, DJ; Kwauk, M; Li, HZ
1996-09-01
Source PublicationCHEMICAL ENGINEERING SCIENCE
ISSN0009-2509
Volume51Issue:17Pages:4045-4063
AbstractSolid particles belonging to Geldart Group A, B and D were fluidized in liquids of changing viscosity and in CO2 under ambient to supercritical conditions. Local bed voidage signals were collected and processed in conjunction with global expansion characteristics to give quantitative indexes for evaluating fluidization quality. Results showed that the fluidized state changes progressively from aggregative to particulate when fluidized separately by gas, supercritical fluid and liquids, indicating an infinite number of intermediate states existing between aggregative and particulate fluidization. A discrimination number Dn is proposed to describe the transition from particulate to aggregative. A heterogeneity index delta and a nonideality index f(h) are proposed to quantify, respectively, the local and the global characteristics of the intermediate states. Copyright (C) 1996 Elsevier Science Ltd; Solid particles belonging to Geldart Group A, B and D were fluidized in liquids of changing viscosity and in CO2 under ambient to supercritical conditions. Local bed voidage signals were collected and processed in conjunction with global expansion characteristics to give quantitative indexes for evaluating fluidization quality. Results showed that the fluidized state changes progressively from aggregative to particulate when fluidized separately by gas, supercritical fluid and liquids, indicating an infinite number of intermediate states existing between aggregative and particulate fluidization. A discrimination number Dn is proposed to describe the transition from particulate to aggregative. A heterogeneity index delta and a nonideality index f(h) are proposed to quantify, respectively, the local and the global characteristics of the intermediate states. Copyright (C) 1996 Elsevier Science Ltd
KeywordAggregative Fluidization Particulate Fluidization Choking
SubtypeArticle
WOS HeadingsScience & Technology ; Technology
URL查看原文
Indexed BySCI
Language英语
WOS KeywordELEVATED-TEMPERATURES ; BED ; TRANSITION ; CRITERION ; BEHAVIOR
WOS Research AreaEngineering
WOS SubjectEngineering, Chemical
WOS IDWOS:A1996VB71600001
Citation statistics
Cited Times:39[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.ipe.ac.cn/handle/122111/5856
Collection研究所(批量导入)
Recommended Citation
GB/T 7714
Liu, DJ,Kwauk, M,Li, HZ. Aggregative and particulate fluidization - The two extremes of a continuous spectrum[J]. CHEMICAL ENGINEERING SCIENCE,1996,51(17):4045-4063.
APA Liu, DJ,Kwauk, M,&Li, HZ.(1996).Aggregative and particulate fluidization - The two extremes of a continuous spectrum.CHEMICAL ENGINEERING SCIENCE,51(17),4045-4063.
MLA Liu, DJ,et al."Aggregative and particulate fluidization - The two extremes of a continuous spectrum".CHEMICAL ENGINEERING SCIENCE 51.17(1996):4045-4063.
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