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Discrete simulations of heterogeneous structure and dynamic behavior in gas-solid fluidization
Alternative TitleChem. Eng. Sci.
Jie, OY; Li, JH
1999-11-01
Source PublicationCHEMICAL ENGINEERING SCIENCE
ISSN0009-2509
Volume54Issue:22Pages:5427-5440
AbstractFluidization has been simulated in a broad regime spectrum by using the particle-motion-resolved discrete model in which the motion process of each particle is decomposed into the collision process and the suspension process, while gas flow is treated by solving the Navier-Stokes equation. Momentum conservation of collision mechanics controls the interaction between colliding particles, and the state of each suspended particle is fully dominated by equation of force balance over that particle. As a result, the proposed model could show bubble behaviors above a distributor with several orifices. Further, it has yielded dynamic pictures of clusters and trajectory of particles moving irregularly from the dilute phase to the dense phase or vice versa. The effect of operating conditions on cluster structure and the choking behavior of fluidized systems are also simulated. Therefore, the particle-motion-resolved discrete model has wider applicable range in comparison with the previous discrete model. (C) 1999 Elsevier Science Ltd. All rights reserved.; Fluidization has been simulated in a broad regime spectrum by using the particle-motion-resolved discrete model in which the motion process of each particle is decomposed into the collision process and the suspension process, while gas flow is treated by solving the Navier-Stokes equation. Momentum conservation of collision mechanics controls the interaction between colliding particles, and the state of each suspended particle is fully dominated by equation of force balance over that particle. As a result, the proposed model could show bubble behaviors above a distributor with several orifices. Further, it has yielded dynamic pictures of clusters and trajectory of particles moving irregularly from the dilute phase to the dense phase or vice versa. The effect of operating conditions on cluster structure and the choking behavior of fluidized systems are also simulated. Therefore, the particle-motion-resolved discrete model has wider applicable range in comparison with the previous discrete model. (C) 1999 Elsevier Science Ltd. All rights reserved.
KeywordParticle-motion-resolved Discrete Model Simulation Gas-solid Fluidization
SubtypeArticle
WOS HeadingsScience & Technology ; Technology
URL查看原文
Indexed BySCI
Language英语
WOS KeywordPARTICLE SIMULATION ; BED ; BUBBLE ; FLOW
WOS Research AreaEngineering
WOS SubjectEngineering, Chemical
WOS IDWOS:000082287100008
Citation statistics
Cited Times:8[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.ipe.ac.cn/handle/122111/5888
Collection研究所(批量导入)
AffiliationChinese Acad Sci, Inst Chem Met, Multi Phase React Lab, Beijing 100080, Peoples R China
Recommended Citation
GB/T 7714
Jie, OY,Li, JH. Discrete simulations of heterogeneous structure and dynamic behavior in gas-solid fluidization[J]. CHEMICAL ENGINEERING SCIENCE,1999,54(22):5427-5440.
APA Jie, OY,&Li, JH.(1999).Discrete simulations of heterogeneous structure and dynamic behavior in gas-solid fluidization.CHEMICAL ENGINEERING SCIENCE,54(22),5427-5440.
MLA Jie, OY,et al."Discrete simulations of heterogeneous structure and dynamic behavior in gas-solid fluidization".CHEMICAL ENGINEERING SCIENCE 54.22(1999):5427-5440.
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