Discrete simulations of heterogeneous structure and dynamic behavior in gas-solid fluidization

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	Discrete simulations of heterogeneous structure and dynamic behavior in gas-solid fluidization
	Jie, OY; Li, JH
刊名	CHEMICAL ENGINEERING SCIENCE
	1999-11-01
卷号	54 期号:22 页码:5427-5440
关键词	particle-motion-resolved discrete model simulation gas-solid fluidization
ISSN号	0009-2509
其他题名	Chem. Eng. Sci.
中文摘要	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.
英文摘要	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.
WOS标题词	Science & Technology ; Technology
类目[WOS]	Engineering, Chemical
研究领域[WOS]	Engineering
关键词[WOS]	PARTICLE SIMULATION ; BED ; BUBBLE ; FLOW
收录类别	SCI
原文出处	://WOS:000082287100008
语种	英语
WOS记录号	WOS:000082287100008
公开日期	2013-11-15
内容类型	期刊论文
版本	出版稿
源URL	[http://ir.ipe.ac.cn/handle/122111/5888]
专题	过程工程研究所_研究所（批量导入）
作者单位	Chinese Acad Sci, Inst Chem Met, Multi Phase React Lab, Beijing 100080, Peoples R China
推荐引用方式 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.