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Multiscale nature of complex fluid-particle systems
Alternative TitleInd. Eng. Chem. Res.
Li, JH; Kwauk, M
2001-10-03
Source PublicationINDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
ISSN0888-5885
Volume40Issue:20Pages:4227-4237
AbstractMost multiphase chemical reactors are complex systems. This paper explores the multiscale nature of complex systems in chemical engineering and the intrinsic mechanism of the scale-up effect. Two approaches-multiscale and pseudoparticle-are discussed, which we believe to be effective and promising in revealing underlying mechanisms and extracting simplicity in complex systems. Heterogeneous structure, the most important characteristic of complex systems and a crucial aspect in scaling up reactors, is analyzed as the focus of this paper. The multiscale approach follows the strategy of structure resolution in describing the heterogeneous structure and mechanism compromise in defining the variational criterion. The pseudoparticle approach describes the heterogeneous structure by discretizing the fluid into pseudoparticles with a size much smaller than that of the real particles, that is, the particle-fluid interaction is treated as the interaction between real particles and pseudoparticles. This paper outlines the respective advantages and prospects of these two approaches and explores some concepts in understanding complex systems.; Most multiphase chemical reactors are complex systems. This paper explores the multiscale nature of complex systems in chemical engineering and the intrinsic mechanism of the scale-up effect. Two approaches-multiscale and pseudoparticle-are discussed, which we believe to be effective and promising in revealing underlying mechanisms and extracting simplicity in complex systems. Heterogeneous structure, the most important characteristic of complex systems and a crucial aspect in scaling up reactors, is analyzed as the focus of this paper. The multiscale approach follows the strategy of structure resolution in describing the heterogeneous structure and mechanism compromise in defining the variational criterion. The pseudoparticle approach describes the heterogeneous structure by discretizing the fluid into pseudoparticles with a size much smaller than that of the real particles, that is, the particle-fluid interaction is treated as the interaction between real particles and pseudoparticles. This paper outlines the respective advantages and prospects of these two approaches and explores some concepts in understanding complex systems.
SubtypeArticle
WOS HeadingsScience & Technology ; Technology
URL查看原文
Indexed BySCI
Language英语
WOS Research AreaEngineering
WOS SubjectEngineering, Chemical
WOS IDWOS:000171261000009
Citation statistics
Cited Times:62[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.ipe.ac.cn/handle/122111/5768
Collection研究所(批量导入)
AffiliationChinese Acad Sci, Inst Chem Met, Beijing 100080, Peoples R China
Recommended Citation
GB/T 7714
Li, JH,Kwauk, M. Multiscale nature of complex fluid-particle systems[J]. INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH,2001,40(20):4227-4237.
APA Li, JH,&Kwauk, M.(2001).Multiscale nature of complex fluid-particle systems.INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH,40(20),4227-4237.
MLA Li, JH,et al."Multiscale nature of complex fluid-particle systems".INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH 40.20(2001):4227-4237.
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